Publications by Sergey Koposov

The DESI Y1 RR Lyrae catalog I: Empirical modeling of the cyclic variation of spectroscopic properties and a chemodynamical analysis of the outer halo
Gustavo E. Medina, Ting S. Li, Sergey E. Koposov, A. H. Riley, L. Beraldo e Silva, M. Valluri, W. Wang, A. Byström, O. Y. Gnedin, R. G. Carlberg et al., Astrophysical Journal (2026)
The IMF package: a toolkit implementing mass functions and statistical tools to analyze them DOI
Theo Richardson, Adam Ginsburg and Sergey E. Koposov, Astronomical Journal, 172, 3, p. 1-12 (2026)
Constraining the population of dark matter halo shapes using hierarchical inference with extragalactic stellar streams DOI
David Chemaly, Elisabeth Sola, Vasily Belokurov, Sergey E. Koposov, GuyChul Meyong, Han Yuan Zhang and Denis Erkal, Monthly Notices of the Royal Astronomical Society, 550, 2, p. 1-19 (2026)
Neighbors, Not Kin: Kinematic evidence for tidal tails from NGC 7492 along the Sagittarius stream
Camila Navarrete, Álvaro Rojas-Arriagada, Andrés E. Piatti, Julio A. Carballo-Bello, Luca Sbordone, Richa Kundu, Vasily Belokurov, Sergey E. Koposov, Eduardo Vitral, Pierre Boldrini et al., Astronomy & Astrophysics (2026)
Orbital migration and heating history of the Galactic disc: a transition between the bimodal discs DOI
HanYuan Zhang, Vasily Belokurov, Jason L. Sanders, N. Wyn Evans, David Chemaly, Daisuke Kawata, Natsuki Funakoshi, Neige Frankel, Sarah G. Kane and Sergey E. Koposov, Monthly Notices of the Royal Astronomical Society, 551, 1, p. 1-19 (2026)
Disentangling the Distant Stellar Halo Using K Giants in DESI Year 3 Data DOI
Namitha Kizhuprakkat, Andrew P. Cooper, Wenting Wang, Amanda Bystrom, Joan Najita, Sergey E. Koposov, Guillaume Thomas, Songting Li, Ruizhi Zhang, Carlos Allende Prieto et al., Astrophysical Journal, 1006, 1, p. 1-31 (2026)
First planetesimals from DESI DR1: 12 highly metal-rich white dwarfs DOI
Paula Izquierdo, Andrew Swan, Boris T. Gänsicke, Jamie T. Williams, Detlev Koester, Nicola P. Gentile-Fusillo, Christopher J. Manser, Laura K. Rogers, D. Aguado, S. E. Koposov et al., Monthly Notices of the Royal Astronomical Society, 551, 1, p. 1-33 (2026)
The Kinematically Hot, Extremely Metal-Poor C-19 Stellar Stream in DESI DR2 DOI
DESI Collaboration, Nasser Mohammed, Joseph Y. Tang, Ting S. Li, S. E. Koposov, Raymond G. Carlberg, Emma Jarvis, Andrew P. Li, Nathan Sandford, Gustavo E. Medina et al., Astrophysical Journal, 1005, 2, p. 1-20 (2026)
The realm of Aurora. Density distribution of metal-poor giants in the heart of the Galaxy
Evgeny P. Kurbatov, Vasily Belokurov, Sergey Koposov, Andrey Kravtsov, Elliot Y. Davies, Anthony G. A. Brown, Tristan Cantat-Gaudin, Alfred Castro-Ginard, Andrew R. Casey, Ronald Drimmel et al., Monthly Notices of the Royal Astronomical Society (2026)
The Velocity Field of Our Milky Way Outer Stellar Halo Based on DESI DR2 DOI
Songting Li, Wenting Wang, Sergey E. Koposov, Joao A. S. Amarante, Alis J. Deason, Monica Valluri, Ting S. Li, Amanda Byström, Mika Lambert, Tian Qiu et al., Astrophysical Journal, 1005, 1, p. 1-20 (2026)
The DESI Y1 RR Lyrae catalog II: The metallicity dependency of pulsational properties, the shape of the RR Lyrae instability strip, and metal rich RR Lyrae
Gustavo E. Medina, Ting S. Li, C. Allende Prieto, L. Beraldo e Silva, A. Bystrom, R. G. Carlberg, S. E. Koposov, M. Lambert, J. R. Najita, C. M. Rockosi et al., Astrophysical Journal (2026)
DESI DR2 Galaxy luminosity functions DOI
Samuel G. Moore, Shaun Cole, Michael Wilson, Peder Norberg, John Moustakas, J. Aguilar, S. Ahlen, A. Anand, D. Bianchi, S. E. Koposov et al., Monthly Notices of the Royal Astronomical Society, 549, 2, p. 1-26 (2026)
The Backup Program of the Dark Energy Spectroscopic Instrument's Milky Way Survey DOI
DESI Collaboration, Arjun Dey, Sergey E. Koposov, Joan R. Najita, Andrew P. Cooper, B. T. Gänsicke, Adam D. Myers, A. Raichoor, Daniel J. Eisenstein, E. F. Schlafly et al., Astronomical Journal, 171, 6, p. 1-16 (2026)
Discovery of Galactic center ejected star in DESI DR1 DOI
Manuel Cavieres, Sergey E. Koposov, Elena Maria Rossi, Zephyr Penoyre and Sill Verberne, Astronomy and Astrophysics, 709, p. 1-12 (2026)
Sifting for a Stream: The Morphology of the 300S Stellar Stream DOI
S5 Collaboration, Benjamin Cohen, Alexander P. Ji, Peter S. Ferguson, Sergey E. Koposov, Alex Drlica-Wagner, Andrew P. Li, Ting S. Li, Lara R. Cullinane, Gary S. Da Costa et al., The Open Journal of Astrophysics, 9, p. 1-33 (2026)
Signatures of a Tidally Induced Spiral Arm at the Anticenter of the Milky Way and a Kinematically Extended Anticenter Stream Using DESI Data Release 2 DOI
Mika Lambert, Constance M. Rockosi, Sergey E. Koposov, Ting S. Li, Monica Valluri, Leandro Beraldo e Silva, Songting Li, Joaõ A. S. Amarante, Amanda Byström, Gustavo E. Medina et al., Astronomical Journal, 171, 5, p. 1-19 (2026)
Data Release 1 of the Dark Energy Spectroscopic Instrument DOI
DESI Collaboration, F. Beutler, S. Brieden, A. Byström, P. Carrilho, C. Guandalin, S. E. Koposov, J. A. Peacock, J. Piat and D. Scholte, Astronomical Journal, 171, 5, p. 1-34 (2026)
Epicyclic Density Variations in the Indus Stellar Stream DOI
S5 Collaboration, Yong Yang, Geraint F. Lewis, Ting S. Li, Sarah L. Martell, Denis Erkal, Alexander P. Ji, Sergey E. Koposov, Daniel B. Zucker, Andrew B. Pace et al., Monthly Notices of the Royal Astronomical Society, 547, 4, p. 1-18 (2026)
The Binary Fraction of Stars in the Dwarf Galaxy Ursa Minor via Dark Energy Spectroscopic Instrument DOI
Tian Qiu, Wenting Wang, Sergey Koposov, Ting S. Li, Nathan R. Sandford, Joan Najita, Songting Li, Jiaxin Han, Arjun Dey, Constance Rockosi et al., Astrophysical Journal, 1000, 1, p. 1-19 (2026)
The Milky Way's circular velocity curve measured using element abundance gradients DOI
Danny Horta, Adrian M. Price-Whelan, Sergey E. Koposov, Jason A. S. Hunt, David W. Hogg, Carrie Filion and Kathryn J. Daniel, Astrophysical Journal, 1000, 1, p. 1-19 (2026)
The shape-velocity alignment of satellites forged by tidal locking and dynamical friction DOI
Hao Yang, Wenting Wang, Ting S. Li, Sergey E. Koposov, Jiaxin Han, Feihong He, Zhaozhou Li, Zhongxu Zhai, Binbin Gao, Carles G. Palau et al., Astrophysical Journal, 999, 2, p. 1-12 (2026)
The Milky Way stellar halo is twisted and doubly broken: insights from DESI DR2 Milky Way Survey observation DOI
Songting Li, Wenting Wang, Sergey E. Koposov, Joao A. S. Amarante, Alis J. Deason, Nathan R. Sandford, Ting S. Li, Gustavo E. Medina, Jaxin Han, Monica Valluri et al., Astrophysical Journal, 999, 1, p. 1-19 (2026)
Detailed Chemical Abundance Analysis of the Brightest Stars in the Turranburra and Willka Yaku Stellar Streams DOI
K. B. Webber, T. T. Hansen, J. L. Marshall, Alexander P. Ji, Ting S. Li, Gary S. Da Costa, Lara R. Cullinane, Denis Erkal, Sergey E. Koposov, Kyler Kuehn et al., Astrophysical Journal, 998, 1, p. 1-19 (2026)
Chemodynamics of Boötesl with S5: Revised Velocity Gradient, Dark Matter Density, and Galactic Chemical Evolution Constraints DOI
S5 Collaboration, Nathan R. Sandford, Ting S. Li, Sergey E. Koposov, Kohei Hayashi, Andrew B. Pace, Denis Erkal, Jo Bovy, Gary S. Da Costa, Lara R. Cullinane et al., Astrophysical Journal, 998, 1, p. 1-32 (2026)
DESI Data Release 1: Stellar Catalogue DOI
Sergey E. Koposov, Ting S. Li, C. Allende Prieto, G. E. Medina, N. Sandford, D. Aguado, L. Beraldo e Silva, A. Byström, A. P. Cooper, Arjun Dey et al., The Open Journal of Astrophysics, 9, p. 1-23 (2026)
The Compilation and Validation of the Spectroscopic Redshift Catalogs for the DESI-COSMOS and DESI-XMMLSS Fields DOI
J. Ratajczak, K. S. Dawson, N. Weaverdyck, J. Aguilar, S. Ahlen, E. Armengaud, S. Bailey, D. Bianchi, D. Blanco, S. E. Koposov et al., Astronomical Journal, 171, 2, p. 1-37 (2026)
The Draco Dwarf Spheroidal Galaxy in the First Year of DESI Data DOI
J. Ding, C. Rockosi, Ting S. Li, S. E. Koposov, A. H. Riley, W. Wang, A. P. Cooper, N. Kizhuprakkat, M Lambert, G. E. Medina et al., Astrophysical Journal, 994, 1, p. 1-13 (2025)
The dark matter content of Milky Way dwarf spheroidal galaxies: Draco, Sextans and Ursa Minor DOI
Hao Yang, Wenting Wang, Ling Zhu, Ting S. Li, Sergey E. Koposov, Jiaxin Han, Songting Li, Rui Shi, Monica Valluri, Alexander H. Riley et al., Astrophysical Journal, 993, 2, p. 1-18 (2025)
STRRINGS: STReams in Residual Images of Nearby GalaxieS DOI
Elisabeth Sola, David Chemaly, Vasily Belokurov, Oliver Müller, Anke Ardern-Arentsen, Elliot Y. Davies, Julia Laguna-Miralles, GyuChul Myeong, Konstantinos Panagiotakis, Sergey E. Koposov et al., Monthly Notices of the Royal Astronomical Society, 544, 1, p. 735-763 (2025)
DESI DR2 results. I. Baryon acoustic oscillations from the Lyman alpha forest DOI
DESI Collaboration, M. Abdul-Karim, J. Aguilar, S. Ahlen, C. Allende Prieto, O. Alves, A. Anand, U. Andrade, E. Armengaud, S. E. Koposov et al., Physical Review D, 112, 8, p. 1-28 (2025)
DESI DR2 results. II. Measurements of baryon acoustic oscillations and cosmological constraints DOI
DESI Collaboration, M. Abdul-Karim, J. Aguilar, S. Ahlen, S. Alam, L. Allen, C. Allende Prieto, O. Alves, A. Anand, S. E. Koposov, J. Peacock et al., Physical Review D, 112, 8, p. 1-40 (2025)
Searching for stars ejected from the Galactic Centre in DESI DOI
Sill Verberne, Sergey E. Koposov, Elena Maria Rossi and Zephyr Penoyre, Astronomy and Astrophysics, 701, p. 1-7 (2025)
DESI 2024 V: Full-Shape galaxy clustering from galaxies and quasars DOI
DESI Collaboration, A. G. Adame, J. Aguilar, S. Ahlen, S. Alam, D. M. Alexander, M. Alvarez, O. Alves, A. Anand, F. Beutler, S. E. Koposov et al., Journal of Cosmology and Astroparticle Physics (JCAP), 2025, p. 1-90 (2025)
Exploring the interaction between the MW and LMC with a large sample of blue horizontal branch stars from the DESI survey DOI
Amanda Byström, Sergey E. Koposov, Sophia Lilleengen, Ting S. Li, Eric Bell, Leandro Beraldo e Silva, Andreia Carrillo, Vedant Chandra, Oleg Y. Gnedin, Jiwon Jesse Han et al., Monthly Notices of the Royal Astronomical Society, 542, 2, p. 560-582 (2025)
SpecDis: Value Added Distance Catalog for 4 Million Stars from DESI Year-1 Data DOI
Songting Li, Wenting Wang, Sergey E. Koposov, Ting S. Li, Youjia Wu, Monica Valluri, Joan Najita, Carlos Allende Prieto, Amanda Bystrom, Christopher J. Manser et al., Astronomical Journal, 170, 3, p. 1-19 (2025)
DESI 2024 VII: cosmological constraints from the full-shape modeling of clustering measurements DOI
DESY, S. Brieden and S. E. Koposov, Journal of Cosmology and Astroparticle Physics (JCAP), 2025, 7, p. 1-54 (2025)
Stellar reddening map from DESI imaging and spectroscopy DOI
Rongpu Zhou, Julien Guy, Sergey E. Koposov, Edward F. Schlafly, David Schlegel, Jessica Aguilar, Steven Ahlen, Stephen Bailey, David Bianchi, David Brooks et al., The Open Journal of Astrophysics, 8, p. 1-22 (2025)
Luminosity and Stellar Mass Functions of Faint Photometric Satellites around Spectroscopic Central Galaxies from DESI Year-1 Bright Galaxy Survey DOI
Wenting Wang, Xiaohu Yang, Yipeng Jing, Ashley J. Ross, Malgorzata Siudek, John Moustakas, Samuel G. Moore, Shaun Cole, Carlos Frenk, Sergey E. Koposov et al., Astrophysical Journal, 986, 2, p. 1-18 (2025)
Nearby stellar substructures in the Galactic halo from DESI Milky Way Survey Year 1 Data Release DOI
Bokyoung Kim, Sergey E. Koposov, Ting S. Li, Sophia Lilleengen, Andrew P. Cooper, Andreia Carrillo, Monica Valluri, Alexander H. Riley, Jiwon Jesse Han, Jessica Nicole Aguilar et al., Monthly Notices of the Royal Astronomical Society, 540, 1, p. 264-288 (2025)
PAC in DESI. I. Galaxy stellar mass function into the 106 M⊙ frontier DOI
Kun Xu, Y. P. Jing, S. Cole, C. S. Frenk, S. Bose, W. Elbers, W. Wang, Yirong Wang, S. Moore, S. E. Koposov et al., Monthly Notices of the Royal Astronomical Society, 540, 2, p. 1635-1667 (2025)
Flipping of the tidal tails of the Ophiuchus stream due to the decelerating Galactic bar DOI
S5 Collaboration, Yong Yang, Geraint F. Lewis, Denis Erkal, Ting S. Li, Andrew P. Li, Sarah L. Martell, Lara R. Cullinane, Guilherme Limberg, Sergey E. Koposov et al., Astrophysical Journal, 984, 2, p. 1-16 (2025)
Constraining the phase shift of relativistic species in DESI BAOs DOI
Abbé M. Whitford, Hugo Rivera-Morales, Cullan Howlett, Mariana Vargas-Magaña, Sébastien Fromenteau, Tamara M. Davis, Alejandro Pérez-Fernández, Arnaud de Mattia, Steven Ahlen, Sergey Koposov et al., Monthly Notices of the Royal Astronomical Society, 538, 3, p. 1980-2000 (2025)
Double progenitor origin of the S-star cluster DOI
Sill Verberne, Elena Maria Rossi, Sergey E. Koposov, Zephyr Penoyre, Manuel Cavieres and Konrad Kuijken, Astronomy and Astrophysics, 696, p. 1-11 (2025)
DESIVAST: Catalogs of Low-redshift Voids Using Data from the DESI Data Release 1 Bright Galaxy Survey DOI
Hernan Rincon, Segev BenZvi, Kelly Douglass, Dahlia Veyrat, Jessica Nicole Aguilar, Steven Ahlen, Davide Bianchi, David Brooks, Todd Claybaugh, Sergey Koposov et al., Astrophysical Journal, 982, 1, p. 1-14 (2025)
Tripling the Census of Dwarf AGN Candidates Using DESI Early Data DOI
Ragadeepika Pucha, S. Juneau, Arjun Dey, M. Siudek, M. Mezcua, J. Moustakas, S. BenZvi, K. Hainline, R. Hviding, S. E. Koposov et al., Astrophysical Journal, 982, 1, p. 1-26 (2025)
GD-1 Stellar Stream and Cocoon in the DESI Early Data Release DOI
DESI Collaboration, Monica Valluri, Parker Fagrelius, Sergey E. Koposov, Ting S. Li, Oleg Y. Gnedin, Eric F. Bell, Raymond G. Carlberg, Andrew P. Cooper, Jessia N. Aguilar et al., Astrophysical Journal, 980, 1, p. 1-19 (2025)
VIRAC2: NIR astrometry and time series photometry for 500M+ stars from the VVV and VVVX surveys DOI
Leigh C Smith, Philip W. Lucas, Sergey E. Koposov, Carlos Gonzalez-Fernandez, Javier Alonso-García, Dante Minniti, Jason L. Sanders, Luigi R. Bedin, Vasily Belokurov, N. Wyn Evans et al., Monthly Notices of the Royal Astronomical Society, 536, 4, p. 3707-3738 (2025)
S5: New insights from deep spectroscopic observations of the tidal tails of the globular clusters NGC 1261 and NGC 1904 DOI
S5 Collaboration, Petra Awad, Ting S. Li, Denis Erkal, Reynier F. Peletier, Kerstin Bunte, Sergey E. Koposov, Andrew Li, Eduardo Balbinot, Rory Smith et al., Astronomy & Astrophysics, 693, p. 1-20 (2025)
The atomic gas sequence and mass-metallicity relation from dwarfs to massive galaxies DOI
Dirk Scholte, Amelie Saintonge, John Moustakas, Barbara Catinella, Hu Zou, Biprateep Dey, J. Aguilar, S. Ahlen, A. Anand, S. E. Koposov et al., Monthly Notices of the Royal Astronomical Society, 535, 3, p. 2341-2356 (2024)
Eridanus III and DELVE 1: Carbon-rich Primordial Star Clusters or the Smallest Dwarf Galaxies? DOI
Joshua D. Simon, Ting S. Li, Alexander P. Ji, Andrew B. Pace, Terese T. Hansen, William Cerny, Ivanna Escala, Sergey E. Koposov, Alex Drlica-Wagner, Sidney Mau et al., Astrophysical Journal, 976, 2, p. 1-15 (2024)
Correcting Turbulence-induced Errors in Fiber Positioning for the Dark Energy Spectroscopic Instrument DOI
DESI Collaboration, E. F. Schlafly, J. Guy, K. Honscheid, S. Kent, S. E. Koposov, J. Aguilar, S. Ahlen, S. Bailey, D. Brooks et al., Astrophysical Journal, 168, 6, p. 1-10 (2024)
The DESI Early Data Release white dwarf catalogue DOI
Christopher J. Manser, Paula Izquierdo, Boris T. Gänsicke, Andrew Swan, Detlev Koester, Akshay Robert, Siyi Xu, Keith Inight, Ben Amroota, Sergey E. Koposov et al., Monthly Notices of the Royal Astronomical Society, 535, 1, p. 254-289 (2024)
The Power of High Precision Broadband Photometry: Tracing the Milky Way Density Profile with Blue Horizontal Branch stars in the Dark Energy Survey DOI
Fengqing Yu, Ting S. Li, Joshua S. Speagle, Gustavo E. Medina, Sergey E. Koposov, Joss Bland-Hawthorn, Lara R. Cullinane, Gwendolyn M. Eadie, Denis Erkal, Geraint F. Lewis et al., Astrophysical Journal, 975, 1, p. 1-19 (2024)
Mapping the anisotropic Galactic stellar halo with Blue Horizontal Branch stars DOI
João A. S. Amarante, Sergey E. Koposov and Chervin F. P. Laporte, Astronomy and Astrophysics, 690, p. 1-20 (2024)
DESI Early Data Release Milky Way Survey Value-Added Catalogue DOI
Sergey E. Koposov, C. Allende-Prieto, A. P. Cooper, T. S. Li, L. Beraldo e Silva, B. Kim, A. Carrillo, A. Dey, C. J. Manser, F. Nikakhtar et al., Monthly Notices of the Royal Astronomical Society, 533, 1, p. 1012-1031 (2024)
Improved constraints on Galactic Centre ejection of hyper velocity stars based on novel search method DOI
Sill Verberne, Elena Maria Rossi, Sergey E. Koposov, Tommaso Marchetti, Konrad Kuijken, Zephyr Penoyre, Fraser A. Evans, Dimitris Souropanis and Clár Bríd Tohill, Monthly Notices of the Royal Astronomical Society, 533, 3, p. 2747-2761 (2024)
The Early Data Release of the Dark Energy Spectroscopic Instrument DOI
DESI Collaboration, A. G. Adame, J. Aguilar, S. Ahlen, S. Alam, G. Aldering, D. M. Alexander, R. Alfarsy, C. Allende Prieto, F. Beutler, S. E. Koposov et al., Astronomical Journal, 168, 2, p. 1-33 (2024)
AuriDESI: Mock Catalogues for the DESI Milky Way Survey DOI
Namitha Kizhuprakkat, Andrew P. Cooper, Alexander H. Riley, Sergey E. Koposov, Jessica Nicole Aguilar, Steven Ahlen, Carlos Allende Prieto, David Brooks, Todd Claybaugh, Kyle Dawson et al., Monthly Notices of the Royal Astronomical Society, 531, 4, p. 4108-4137 (2024)
The wide-field, multiplexed, spectroscopic facility WEAVE: Survey design, overview, and simulated implementation DOI
WEAVE Collaboration, Shoko Jin, Scott C. Trager, Gavin B. Dalton, J. Alfonso L. Aguerri, J. E. Drew, Jesús Falcón-Barroso, Boris T. Gänsicke, Vanessa Hill, Kenneth J. Duncan, Sergey E. Koposov, Philip Best et al., Monthly Notices of the Royal Astronomical Society, 530, 3, p. 2688-2730 (2024)
The Gaia-ESO Survey: The DR5 analysis of the medium-resolution GIRAFFE and high-resolution UVES spectra of FGK-type stars DOI
C. C. Worley, R. Smiljanic, L. Magrini, A. Frasca, E. Franciosini, D. Montes, D. K. Feuillet, H. M. Tabernero, J. I. González Hernández, S. E. Koposov et al., Astronomy and Astrophysics, 684, p. 1-31 (2024)
Radial velocities from Gaia BP/RP spectra DOI
Sill Verberne, Sergey E. Koposov, Elena M. Rossi, Tommaso Marchetti, Konrad Kuijken and Zephyr Penoyre, Astronomy and Astrophysics, 684, p. 1-15 (2024)
Multiple Populations and a CH Star Found in the 300S Globular Cluster Stellar Stream DOI
S5 Collaboration, Sam A. Usman, Alexander P. Ji, Ting S. Li, Andrew B. Pace, Lara R. Cullinane, Gary S. Da Costa, Sergey E. Koposov, Geraint F Lewis, Daniel B. Zucker et al., Monthly Notices of the Royal Astronomical Society, 529, 3, p. 2413-2427 (2024)
The Prince and the Pauper: Evidence for the early high-redshift formation of the Galactic α-poor disc population DOI
Matthew Raymond Gent, Philipp Eitner, Aldo Serenelli, Jennifer K. S. Friske, Sergey E. Koposov, Chervin F. P. Laporte, Tobias Buck and Maria Bergemann, Astronomy and Astrophysics, 683, p. 1-13 (2024)
200,000 Candidate Very Metal-poor Stars in Gaia DR3 XP Spectra DOI
Yupeng Yao, Alexander P. Ji, Sergey E. Koposov and Guilherme Limberg, Monthly Notices of the Royal Astronomical Society, 527, 4, p. 10937-10954 (2024)
Validation of the Scientific Program for the Dark Energy Spectroscopic Instrument DOI
DESI Collaboration, A. G. Adame, J. Aguilar, S. Ahlen, S. Alam, G. Aldering, D. M. Alexander, R. Alfarsy, C. Allende Prieto, F. Beutler, S. E. Koposov et al., Astronomical Journal, 167, 2, p. 1-33 (2024)
GTC Follow-up Observations of Very Metal-poor Star Candidates from DESI DOI
Carlos Allende Prieto, David S. Aguado, Jonay I. González Hernández, Rafael Rebolo, Joan Najita, Christopher J. Manser, Constance Rockosi, Zachary Slepian, Mar Mezcua, Sergey E. Koposov et al., Astrophysical Journal, 957, 2, p. 1-11 (2023)
The Kinematics, Metallicities, and Orbits of Six Recently Discovered Galactic Star Clusters with Magellan/M2FS Spectroscopy DOI
Andrew B. Pace, Sergey E. Koposov, Matthew G. Walker, Nelson Caldwell, Mario Mateo, Edward W. Olszewski, Ian U. Roederer, John I. Bailey III, Vasily Belokurov, Kyler Kuehn et al., Monthly Notices of the Royal Astronomical Society, 526, 1, p. 1075-1094 (2023)
Magellan/M2FS and MMT/Hectochelle Spectroscopy of Dwarf Galaxies and Faint Star Clusters within the Galactic Halo DOI
Matthew G. Walker, Nelson Caldwell, Mario Mateo, Edward W. Olszewski, Andrew B. Pace, I. Bailey III John, Sergey E. Koposov and Ian U. Roederer, Astrophysical Journal Supplement, 268, 1, p. 1-40 (2023)
Abundance Analysis of Stars at Large Radius in the Sextans Dwarf Spheroidal Galaxy DOI
Ian U. Roederer, Andrew B. Pace, Vinicius M. Placco, Nelson Caldwell, Sergey E. Koposov, Mario Mateo, Edward W. Olszewski and Matthew G. Walker, Astrophysical Journal, 954, 1, p. 1-16 (2023)
S5: Probing the Milky Way and Magellanic Clouds potentials with the 6-D map of the Orphan-Chenab stream DOI
S5 Collaboration, Monthly Notices of the Royal Astronomical Society, 521, 4, p. 4936-4962 (2023)
Streams on FIRE: Populations of Detectable Stellar Streams in the Milky Way and FIRE DOI
Nora Shipp, Nondh Panithanpaisal, Lina Necib, Robyn Sanderson, Denis Erkal, Ting S. Li, Isaiah B. Santistevan, Andrew Wetzel, Lara R. Cullinane, Sergey E. Koposov et al., Astrophysical Journal, 949, 2, p. 1-19 (2023)
On the Hunt for the Origins of the Orphan-Chenab Stream: Detailed Element Abundances with APOGEE and Gaia DOI
Keith Hawkins, Adrian M. Price-Whelan, Allyson A. Sheffield, Aidan Z. Subrahimovic, Rachael L. Beaton, Vasily Belokurov, Denis Erkal, Sergey E. Koposov, Richard R. Lane, Chervin F. P. Laporte et al., Astrophysical Journal, 948, 2, p. 1-11 (2023)
Overview of the DESI Milky Way Survey DOI
DESI Collaboration, Astrophysical Journal, 947, 1, p. 1-32 (2023)
Unravelling the mass spectrum of destroyed dwarf galaxies with the metallicity distribution function DOI
Alis J. Deason, Sergey E. Koposov, Azadeh Fattahi and Robert J. J. Grand, Monthly Notices of the Royal Astronomical Society, 520, 4, p. 6091-6103 (2023)
The Spectroscopic Data Processing Pipeline for the Dark Energy Spectroscopic Instrument DOI
DESI Collaboration, J. Guy, S. Bailey, A. Kremin, Shadab Alam, D. M. Alexander, C. Allende Prieto, S. BenZvi, A. S. Bolton, Sergey E. Koposov et al., Astronomical Journal, 165, 4, p. 1-43 (2023)
DESI Observations of the Andromeda Galaxy: Revealing the Immigration History of our Nearest Neighbor DOI
DESI Collaboration, Arjun Dey, Joan R. Najita, S. E. Koposov, J. Josephy-Zack, Gabriel Maxemin, Eric F. Bell, C. Poppett, E. Patel, L. Beraldo e Silva et al., Astrophysical Journal, 944, 1, p. 1-35 (2023)
Energy wrinkles and phase-space folds of the last major merger DOI
Vasily Belokurov, Eugene Vasiliev, Alis J. Deason, Sergey E. Koposov, Azadeh Fattahi, Adam M. Dillamore, Elliot Y. Davies and Robert J. J. Grand, Monthly Notices of the Royal Astronomical Society, 518, 4, p. 6200-6215 (2023)
The Target-selection Pipeline for the Dark Energy Spectroscopic Instrument DOI
DESI Collaboration, Astrophysical Journal, 165, 2, p. 1-22 (2023)
The effect of the deforming dark matter haloes of the Milky Way and the Large Magellanic Cloud on the Orphan-Chenab stream DOI
S5 Collaboration, Monthly Notices of the Royal Astronomical Society, 518, 1, p. 774-790 (2023)
The Magellanic Edges Survey IV. Complex tidal debris in the SMC outskirts DOI
L. R. Cullinane, A. D. Mackey, G. S. Da Costa, S. E. Koposov and D. Erkal, Monthly Notices of the Royal Astronomical Society, 518, 1, p. L25-L30 (2023)
Information content of BP/RP spectra in Gaia DR3 DOI
Callum E. C. Witten, David S. Aguado, Jason L. Sanders, Vasily Belokurov, N. Wyn Evans, Sergey E. Koposov, Carlos Allende Prieto, Francesca De Angeli and Mike J. Irwin, Monthly Notices of the Royal Astronomical Society, 516, 3, p. 3254-3265 (2022)
Overview of the Instrumentation for the Dark Energy Spectroscopic Instrument DOI
DESI Collaboration, Astronomical Journal, 164, 5, p. 1-62 (2022)
The Gaia-ESO Public Spectroscopic Survey: Implementation, data products, open cluster survey, science, and legacy DOI
Gaia Collaboration, S. Randich, G. Gilmore, L. Magrini, G. G. Sacco, R. J. Jackson, R. D. Jeffries, C. C. Worley, A. Hourihane, S. E. Koposov, A. M. N. Ferguson, R. S. Collins, E. Sutorius et al., Astronomy and Astrophysics, p. 1-29 (2022)
The Gaia-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products DOI
G. Gilmore, S. Randich, C. C. Worley, A. Hourihane, A. Gonneau, G. G. Sacco, J. R. Lewis, L. Magrini, P. Francois, S. E. Koposov, A. M. N. Ferguson, R. S. Collins, E. Sutorius et al., Astronomy and Astrophysics, 666, p. 1-36 (2022)
Stellar kinematics of dwarf galaxies from multi-epoch spectroscopy: application to Triangulum II DOI
Rachel Buttry, Andrew B. Pace, Sergey E. Koposov, Matthew G. Walker, Nelson Caldwell, Evan N. Kirby, Nicolas F. Martin, Mario Mateo, Edward W. Olszewski, Else Starkenburg et al., Monthly Notices of the Royal Astronomical Society, 514, 2, p. 1706-1719 (2022)
Uniform Modelling of the Stellar Density of Thirteen Tidal Streams within the Galactic Halo DOI
Jeffrey M. Patrick, Sergey E. Koposov and Matthew G. Walker, Monthly Notices of the Royal Astronomical Society, 514, 2, p. 1757-1781 (2022)
The Magellanic Edges Survey III. Kinematics of the disturbed LMC outskirts DOI
Lara R. Cullinane, A. D. Mackey, G. S. Da Costa, D. Erkal, S. E. Koposov and V. Belokurov, Monthly Notices of the Royal Astronomical Society, 512, 4, p. 4798-4818 (2022)
Stellar multiplicity and stellar rotation: DOI
Christine Mazzola Daher, Carles Badenes, Jamie Tayar, Marc Pinsonneault, Sergey E. Koposov, Kaitlin Kratter, Maxwell Moe, Borja Anguiano, Diego Godoy-Rivera, Steven Majewski et al., Monthly Notices of the Royal Astronomical Society, 512, 2, p. 2051-2061 (2022)
Two-Point Separation Functions for Modeling Wide Binary Systems in Nearby Dwarf Galaxies DOI
Christopher Kervick, Matthew G. Walker, Jorge Peñarrubia and Sergey E. Koposov, Astrophysical Journal, 929, 1, p. 1-16 (2022)
Constraining the shape of Milky Way satellites with distance gradients DOI
Zhaozhou An and Sergey E. Koposov, Monthly Notices of the Royal Astronomical Society, 511, 3, p. 4316-4332 (2022)
S5: The Orbital and Chemical Properties of One Dozen Stellar Streams DOI
S5 Collaboration, Ting S. Li, Alexander P. Ji, Andrew B. Pace, Denis Erkal, Sergey E. Koposov, Nora Shipp, Gary S. Da Costa, Lara R. Cullinane, Kyler Kuehn et al., Astrophysical Journal, 928, 1, p. 1-18 (2022)
Identifying RR Lyrae in the ZTF DR3 dataset DOI
Kuan-Wei Huang and Sergey E. Koposov, Monthly Notices of the Royal Astronomical Society, 510, 3, p. 3575-3588 (2022)
Kinematics beats dust unveiling nested substructure in the perturbed outer disc of the Milky Way DOI
Chervin F. P. Laporte, Sergey E. Koposov and Vasily Belokurov, Monthly Notices of the Royal Astronomical Society, 510, 1, p. L13-L17 (2022)
The Magellanic Edges Survey II. Formation of the LMC's northern arm DOI
L. R. Cullinane, A. D. Mackey, G. S. Da Costa, D. Erkal, S. E. Koposov and V. Belokurov, Monthly Notices of the Royal Astronomical Society, 510, 1, p. 445-468 (2022)
From the Fire: A Deeper Look at the Phoenix Stream DOI
(DES Collaboration), Astrophysical Journal, 925, 2, p. 1-14 (2022)
J01020100-7122208: DOI
Danielle de Brito-Silva, Paula Jofré, Douglas Bourbert, Sergey E Koposov, Jose L Prieto and Keith Hawkins, Monthly Notices of the Royal Astronomical Society, 509, 3, p. 4637-4652 (2022)
Measuring the Mass of the Large Magellanic Cloud with Stellar Streams Observed by S5 DOI
S5 Collaboration, Astrophysical Journal, 923, 2, p. 1-18 (2021)
DELVE-ing into the Jet: DOI
DELVE Collaboration, Astronomical Journal, 163, 1, p. 1-15 (2021)
Spectroscopic Confirmation of the Sixth Globular Cluster in the Fornax Dwarf Spheroidal Galaxy DOI
Andrew B. Pace, Matthew G. Walker, Sergey E. Koposov, Nelson Caldwell, Mario Mateo, Edward W. Olszewski, I. Bailey III John and Mei-Yu Wang, Astrophysical Journal, 923, 77, p. 1-13 (2021)
Signature of a massive rotating metal-poor star imprinted in the Phoenix stellar stream* DOI
Andrew R. Casey, Alexander P. Ji, Terese T. Hansen, Ting S. Li, Sergey E Koposov, Gary S. Da Costa, Joss Bland-Hawthorn, Lara Cullinane, Denis Erkal, Geraint F Lewis et al., Astrophysical Journal, 921, 1, p. 1-14 (2021)
Kinematics of Antlia 2 and Crater 2 from The Southern Stellar Stream Spectroscopic Survey (S5) DOI
S5 Collaboration, Astrophysical Journal, 921, 1 (2021)
Eridanus IV: DOI
DELVE Collaboration, Astrophysical Journal Letters, 920, 2, p. 1-9 (2021)
Very Large Telescope Spectroscopy of Ultra-faint Dwarf Galaxies. I. Boötes I, Leo IV, and Leo V DOI
Sydney Jenkins, Ting S. Li, Andrew B. Pace, Alexander P. Ji, Sergey E. Koposov and Burcin Mutlu-Pakdil, Astrophysical Journal, 920, 2 (2021)
Detection of the LMC-induced sloshing of the Galactic halo DOI
Denis Erkal, Alis J. Deason, Vasily Belokurov, Xiang-Xiang Xue, Sergey E. Koposov, Sarah A. Bird, Chao Liu, Iulia T. Simion, Chengqun Yang, Lan Zhang et al., Monthly Notices of the Royal Astronomical Society, 506, 2, p. 2677-2684 (2021)
Gaia Early Data Release 3 DOI
Gaia Collaboration, S. E. Koposov, M. Davidson, N. C. Hambly and N. Rowell, Astronomy and Astrophysics, 652, p. 1-25 (2021)
A Search for Wandering Black Holes in the Milky Way with Gaia and DECaLS DOI
Jenny E. Greene, Lachlan Lancaster, Yuan-Sen Ting, Sergey E. Koposov, Shany Danieli, Song Huang, Fangzhou Jiang, Johnny P. Greco and Jay Strader, Astrophysical Journal, 917, 1, p. 1-14 (2021)
VVV-WIT-08: the giant star that blinked DOI
Leigh C Smith, Sergey E Koposov, Philip W. Lucas, Jason L. Sanders, Dante Minniti, Andrzej Udalski, N. Wyn Evans, David Aguado, Valentin D Ivanov, Roberto K. Saito et al., Monthly Notices of the Royal Astronomical Society, 505, 2, p. 1992-2008 (2021)
S5: The destruction of a bright dwarf galaxy as revealed by the chemistry of the Indus stellar stream DOI
S5 Collaboration, Astrophysical Journal, 915, 2, p. 1-11 (2021)
Broken into Pieces:
Ting S. Li, Sergey E. Koposov, Denis Erkal, Alexander P. Ji, Nora Shipp, Andrew B. Pace, Tariq Hilmi, Kyler Kuehn, Geraint F. Lewis, Dougal Mackey et al., Astrophysical Journal, 911, 2, p. 1-24 (2021)
Completeness of the Gaia-verse IV: The Astrometry Spread Function of Gaia DR2 DOI
Andrew Everall, Douglas Boubert, Sergey E Koposov, Leigh Smith and Berry Holl, Monthly Notices of the Royal Astronomical Society, 502, 2, p. 1908-1924 (2021)
Mapping the tilt of the Milky Way bulge velocity ellipsoids with ARGOS and Gaia DR2 DOI
Iulia T. Simion, Juntai Shen, Sergey E. Koposov, Melissa Ness, Kenneth Freeman, Jonathan Bland-Hawthorn and Geraint F. Lewis, Monthly Notices of the Royal Astronomical Society, 502, 2, p. 1740-1752 (2021)
Elevated r-process enrichment in Gaia Sausage and Sequoia DOI
David S. Aguado, Vasily Belokurov, G. C. Myeong, N. Wyn Evans, Chiaki Kobayashi, Luca Sbordone, Julio Chanamé, Camila Navarrete and Sergey E. Koposov, Astrophysical Journal Letters, 908, 1, p. 1-9 (2021)
Search for globular clusters associated with the Milky Way dwarf galaxies using Gaia DR2 DOI
Kuan-Wei Huang and Sergey E. Koposov, Monthly Notices of the Royal Astronomical Society, 500, 1, p. 986-997 (2021)
The S2 Stream DOI
David S. Aguado, G. C. Myeong, Vasily Belokurov, N. W. Evans, Sergey E. Koposov, Carlos Allende Prieto, Gustavo A. Lanfranchi, Francesca Matteucci, Matthew Shetrone, Luca Sbordone et al., Monthly Notices of the Royal Astronomical Society, 500, 1, p. 889-910 (2021)
The Close Binary Fraction as a Function of Stellar Parameters in APOGEE DOI
Christine N. Mazzola, Carles Badenes, Maxwell Moe, Sergey E. Koposov, Marina Kounkel, Kaitlin Kratter, Kevin Covey, Matthew G. Walker, Todd A. Thompson, Brett Andrews et al., Monthly Notices of the Royal Astronomical Society, 499, 2, p. 1607-1626 (2020)
Preliminary Target Selection for the DESI Milky Way Survey (MWS) DOI
Carlos Allende Prieto, Andrew P. Cooper, Arjun Dey, Boris T. Gänsicke, Sergey E. Koposov, Ting Li, Christopher Manser, David L. Nidever, Constance Rockosi, Mei-Yu Wang et al., Research Notes of the American Astronomical Society, 4, 10 (2020)
The Gaia-ESO Survey: A new diagnostic for accretion and outflow activity in the young cluster NGC 2264 DOI
R. Bonito, L Prisinzano, L Venuti, F. Damiani, Giusi Micela, G. Sacco, G Traven, K. Biazzo, L Sbordone, Sergey Koposov et al., Astronomy and Astrophysics, 642 (2020)
The Southern Stellar Stream Spectroscopic Survey (S5) DOI
Alexander P. Ji, Ting S. Li, Terese T. Hansen, Andrew R. Casey, Sergey E. Koposov, Andrew B. Pace, Dougal Mackey, Geraint F. Lewis, Jeffrey D. Simpson, Joss Bland-Hawthorn et al., Astrophysical Journal, 160, 4 (2020)
The Magellanic Edges Survey I. Description and First Results DOI
L. R. Cullinane, A. D. Mackey, G. S. Da Costa, S. E. Koposov, V. Belokurov, D. Erkal, A. Koch, A. Kunder and D. M. Nataf, Monthly Notices of the Royal Astronomical Society, 497, 3, p. 3055-3075 (2020)
A Mystery in Chamaeleon DOI
Lachlan Lancaster, Jenny Greene, Yuan-Sen Ting, Sergey E. Koposov, Benjamin J. S. Pope and Rachael L. Beaton, Astrophysical Journal, 160, 3 (2020)
Unresolved stellar companions with Gaia DR2 astrometry DOI
Vasily Belokurov, Zephyr Penoyre, Semyeong Oh, Giuliano Iorio, Simon Hodgkin, N Wyn Evans, Andrew Everall, Sergey E Koposov, Christopher A Tout, Robert Izzard et al., Monthly Notices of the Royal Astronomical Society, 496, 2, p. 1922-1940 (2020)
The tidal remnant of an unusually metal-poor globular cluster DOI
Zhen Wan, Geraint F. Lewis, Ting S. Li, Jeffrey D. Simpson, Sarah L. Martell, Daniel B. Zucker, Jeremy R. Mould, Denis Erkal, Andrew B. Pace, Sergey E. Koposov et al., Nature, p. 768-770 (2020)
The Gaia-ESO survey DOI
G. Casali, L. Spina, L. Magrini, A. Karakas, C. Kobayashi, A. R. Casey, S. Feltzing, M. Van der Swaelmen, M. Tsantaki, S. E. Koposov et al., Astronomy and Astrophysics, 639 (2020)
Exploring Chemical Homogeneity in Dwarf Galaxies DOI1 DOI2
Bethan L. James, Nimisha Kumari, Andrew Emerick, Sergey E. Koposov, Kristen B. W. McQuinn, Daniel P. Stark, Vasily Belokurov and Roberto Maiolino, Monthly Notices of the Royal Astronomical Society, 495, 3, p. 2564-2581 (2020)
Binary deviations from single object astrometry DOI
Zephyr Penoyre, Vasily Belokurov, N. Wyn Evans, A. Everall and S. E. Koposov, Monthly Notices of the Royal Astronomical Society (2020)
Electromagnetic counterparts to gravitational wave events from Gaia DOI
Z. Kostrzewa-Rutkowska, P. G. Jonker, S. T. Hodgkin, D. Eappachen, D. L. Harrison, S. E. Koposov, G. Rixon, L. Wyrzykowski, A. Yoldas, E. Breedt et al., Monthly Notices of the Royal Astronomical Society, 493, 3, p. 3264-3273 (2020)
Chemo-dynamical properties of the Anticenter Stream: DOI
Chervin F. P. Laporte, Vasily Belokurov, Sergey E. Koposov, Martin C. Smith and Vanessa Hill, Monthly Notices of the Royal Astronomical Society (2020)
The Gaia-ESO Survey: a new approach to chemically characterising young open clusters DOI
M. Baratella, V. D'Orazi, G. Carraro, S. Desidera, S. Randich, L. Magrini, V. Adibekyan, R. Smiljanic, L. Spina, S. E. Koposov et al., Astronomy and Astrophysics (2020)
Detailed Abundances in the Ultra-faint Magellanic Satellites Carina II and III DOI
A. P. Ji, T. S. Li, J. D. Simon, J. Marshall, A. K. Vivas, A. B. Pace, K. Bechtol, A. Drlica-Wagner, S. E. Koposov, T. T. Hansen et al., Astrophysical Journal, 889, 1 (2020)
Discovery of a nearby 1700 km s-1 star ejected from the Milky Way by Sgr A* DOI
S5 Collaboration, Monthly Notices of the Royal Astronomical Society, 491, 2, p. 2465-2480 (2020)
Discovery of a Disrupting Open Cluster Far into the Milky Way Halo: A Recent Star Formation Event in the Leading Arm of the Magellanic Stream? DOI
Adrian M. Price-Whelan, David L. Nidever, Yumi Choi, Edward F. Schlafly, Timothy Morton, Sergey E. Koposov and Vasily Belokurov, Astrophysical Journal, 887, 1 (2019)
The southern stellar stream spectroscopic survey (S5): Overview, target selection, data reduction, validation, and early science DOI
T S Li, S E Koposov, D B Zucker, G F Lewis, K Kuehn, J D Simpson, A P Ji, N Shipp, Y-Y Mao, M Geha et al., Monthly Notices of the Royal Astronomical Society, 490, 3, p. 3508-3531 (2019)
Catalogues of active galactic nuclei from Gaia and unWISE data DOI
Yiping Shu, Sergey E Koposov, N Wyn Evans, Vasily Belokurov, Richard G McMahon, Matthew W Auger and Cameron A Lemon, Monthly Notices of the Royal Astronomical Society, 489, 4, p. 4741-4759 (2019)
The hidden giant DOI
G. Torrealba, V. Belokurov, S. E. Koposov, T. S. Li, M. G. Walker, J. L. Sanders, A. Geringer-Sameth, D. B. Zucker, K. Kuehn, N. W. Evans et al., Monthly Notices of the Royal Astronomical Society, 488, 2, p. 2743-2766 (2019)
Proper Motions of Stellar Streams Discovered in the Dark Energy Survey DOI
N. Shipp, T. S. Li, A. B. Pace, D. Erkal, A. Drlica-Wagner, B. Yanny, V. Belokurov, W. Wester, S. E. Koposov, G. F. Lewis et al., Astrophysical Journal (2019)
The Gaia-ESO survey: DOI
G. Casali, L. Magrini, E. Tognelli, R. Jackson, R. D. Jeffries, N. Lagarde, G. Tautvaisiene, T. Masseron, S. Degl'Innocenti, S. E. Koposov et al., Astronomy and Astrophysics (2019)
The Pisces Plume and the Magellanic Wake DOI
Vasily Belokurov, Alis J. Deason, Denis Erkal, Sergey E. Koposov, Julio A. Carballo-Bello, Martin C Smith, Prashin Jethwa and Camila Navarrete, Monthly Notices of the Royal Astronomical Society: Letters (2019)
The morphology and structure of stellar populations in the Fornax dwarf spheroidal galaxy from Dark Energy Survey Data DOI
(DES Collaboration), Astrophysical Journal (2019)
The total mass of the Large Magellanic Cloud from its perturbation on the Orphan stream DOI
D. Erkal, V. Belokurov, C. F. P. Laporte, S. E. Koposov, T. S. Li, C. J. Grillmair, N. Kallivayalil, A. M. Price-Whelan, N. W. Evans, K. Hawkins et al., Monthly Notices of the Royal Astronomical Society (2019)
Lessons from the curious case of the `fastest' star in Gaia DR2 DOI
Douglas Boubert, Jay Strader, David Aguado, George Seabroke, Sergey Koposov, Jason Sanders, Samuel Swihart, Laura Chomiuk and N. Wyn Evans, Monthly Notices of the Royal Astronomical Society (2019)
Piercing the Milky Way: an all-sky view of the Orphan Stream DOI
The OATs: Orphan Aspen Treasury Collaboration, Monthly Notices of the Royal Astronomical Society, 485, 4, p. 4726-4742 (2019)
The Gaia-ESO Survey: DOI
Nicholas J. Wright, R. D. Jeffries, R. J. Jackson, A. Bayo, R. Bonito, F. Damiani, V. Kalari, A. C. Lanzafame, E. Pancino, S. E. Koposov et al., Monthly Notices of the Royal Astronomical Society (2019)
The Halo's Ancient Metal-Rich Progenitor Revealed with BHB Stars DOI
Lachlan Lancaster, Sergey E. Koposov, Vasily Belokurov, N. Wyn Evans and Alis J. Deason, Monthly Notices of the Royal Astronomical Society (2019)
Rediscovery of the Sixth Star Cluster in the Fornax Dwarf Spheroidal Galaxy DOI
(DES Collaboration), Astrophysical Journal Letters (2019)
Nine tiny star clusters in Gaia DR1, PS1 and DES DOI
G. Torrealba, V. Belokurov and S. E. Koposov, Monthly Notices of the Royal Astronomical Society (2019)
The Gaia-ESO Survey: DOI
L. Prisinzano, F. Damiani, V. Kalari, R. Jeffries, R. Bonito, G. Micela, N. J. Wright, R. J. Jackson, E. Tognelli, S. Koposov et al., Astronomy and Astrophysics, 623, p. 1-22 (2019)
Gaia Data Release 2: DOI
Gaia Collaboration, L. Eyer, L. Rimoldini, M. Audard, R. I. Anderson, K. Nienartowicz, F. Glass, O. Marchal, M. Grenon, N. C. Hambly, R. G. Mann, S. E. Koposov, N. Rowell et al., Astronomy and Astrophysics (2019)
Calibrating Long Period Variables as Standard Candles with Machine Learning DOI
Markus Michael Rau, Sergey E. Koposov, Hy Trac and Rachel Mandelbaum, Monthly Notices of the Royal Astronomical Society (2019)
Stellar streams around the Magellanic Clouds in 4D DOI
Camila Navarrete, Vasily Belokurov, Márcio Catelan, Prashin Jethwa, Sergey E. Koposov, Julio A. Carballo-Bello, Paula Jofré, Denis Erkal, Sonia Duffau and Jesús M. Corral-Santana, Monthly Notices of the Royal Astronomical Society (2019)
Common origin for Hercules-Aquila and Virgo Clouds in Gaia DR2 DOI
Iulia T. Simion, Vasily Belokurov and Sergey E. Koposov, Monthly Notices of the Royal Astronomical Society (2019)
Modelling the Tucana III stream - a close passage with the LMC DOI
D. Erkal, T. S. Li, S. E. Koposov, V. Belokurov, E. Balbinot, K. Bechtol, B. Buncher, A. Drlica-Wagner, K. Kuehn, J. L. Marshall et al., Monthly Notices of the Royal Astronomical Society (2018)
Discovery of a thin stellar stream in the SLAMS survey DOI
P. Jethwa, G. Torrealba, C. Navarrete, J. A. Carballo-Bello, T. de Boer, D. Erkal, S. E. Koposov, S. Duffau, D. Geisler, M. Catelan et al., Monthly Notices of the Royal Astronomical Society (2018)
Gaia transients in galactic nuclei DOI
Z. Kostrzewa-Rutkowska, P. G. Jonker, S. T. Hodgkin, L. Wyrzykowski, M. Fraser, D. L. Harrison, G. Rixon, A. Yoldas, F. van Leeuwen, S. E. Koposov et al., Monthly Notices of the Royal Astronomical Society (2018)
Snake in the Clouds: DOI
Sergey E. Koposov, Matthew G. Walker, Vasily Belokurov, Andrew R. Casey, Alex Geringer-Sameth, Dougal Mackey, Gary Da Costa, Denis Erkal, Prashin Jethwa, Mario Mateo et al., Monthly Notices of the Royal Astronomical Society (2018)
The Gaia-ESO Survey: DOI
L. Magrini, L. Spina, S. Randich, E. Friel, G. Kordopatis, C. Worley, E. Pancino, A. Bragaglia, P. Donati, S. Koposov et al., Astronomy and Astrophysics (2018)
The Sausage Globular Clusters DOI
G. C. Myeong, N. W. Evans, V. Belokurov, J. L. Sanders and S. E. Koposov, Astrophysical Journal Letters (2018)
Gaia Data Release 2 DOI
D. W. Evans, M. Riello, F. De Angeli, J. M. Carrasco, P. Montegriffo, C. Fabricius, C. Jordi, L. Palaversa, C. Diener, S. E. Koposov et al., Astronomy and Astrophysics, 616 (2018)
Gaia Data Release 2. Kinematics of globular clusters and dwarf galaxies around the Milky Way DOI
Gaia Collaboration and S. E. Koposov, Astronomy & Astrophysics, 616 (2018)
Gaia Data Release 2. Mapping the Milky Way disc kinematics DOI
Gaia Collaboration and S. E. Koposov, Astronomy & Astrophysics, 616 (2018)
Gaia Data Release 2. Observational Hertzsprung-Russell diagrams DOI
Gaia Collaboration and S. E. Koposov, Astronomy & Astrophysics, 616 (2018)
Gaia Data Release 2. Observations of solar system objects DOI
Gaia Collaboration and S. E. Koposov, Astronomy & Astrophysics, 616 (2018)
Gaia Data Release 2. Summary of the contents and survey properties DOI
Gaia Collaboration and S. E. Koposov, Astronomy & Astrophysics, 616, p. 1-22 (2018)
Gaia Data Release 2. The celestial reference frame (Gaia-CRF2) DOI
Gaia Collaboration and S. E. Koposov, Astronomy & Astrophysics, 616 (2018)
Discovery of new retrograde substructures: the shards of ω Centauri?
G. C. Myeong, N. W. Evans, V. Belokurov, J. L. Sanders and S. E. Koposov, Monthly Notices of the Royal Astronomical Society (2018)
Gaia-ESO Survey: DOI
Mariagrazia Franchini, Carlo Morossi, Paolo Di Marcantonio, Miguel Chavez, Gerry Gilmore, Sofia Randich, Ettore Flaccomio, Sergey E. Koposov, Andreas J. Korn, Amelia Bayo et al., Astrophysical Journal (2018)
Apocenter Pile-Up: DOI
Alis J. Deason, Vasily Belokurov, Sergey E. Koposov and Lachlan Lancaster, Astrophysical Journal Letters (2018)
The Gaia-ESO Survey: DOI
L. Bravi, E. Zari, G. G. Sacco, S. Randich, R. D. Jeffries, R. J. Jackson, E. Franciosini, E. Moraux, J. López-Santiago, S. E. Koposov et al., Astronomy and Astrophysics (2018)
Co-formation of the disc and the stellar halo DOI
V. Belokurov, D. Erkal, N. W. Evans, S. E. Koposov and A. J. Deason, Monthly Notices of the Royal Astronomical Society, 478, 1, p. 611-619 (2018)
The Gaia-ESO Survey: DOI
C. Bertelli Motta, A. Pasquali, J. Richer, G. Michaud, M. Salaris, A. Bragaglia, L. Magrini, S. Randich, E. K. Grebel, S. E. Koposov et al., Monthly Notices of the Royal Astronomical Society (2018)
A deeper look at the GD1 stream: DOI
T. J. L. de Boer, V. Belokurov, S. E. Koposov, L. Ferrarese, D. Erkal, P. Cote and J. F. Navarro, Monthly Notices of the Royal Astronomical Society (2018)
Unmixing the Galactic Halo with RR Lyrae tagging DOI
V. Belokurov, A. J. Deason, S. E. Koposov, M. Catelan, D. Erkal, A. J. Drake and N. W. Evans, Monthly Notices of the Royal Astronomical Society (2018)
Substructures and tidal distortions in the Magellanic stellar periphery DOI
Dougal Mackey, Sergey E. Koposov, Gary Da Costa, Vasily Belokurov, Denis Erkal and Pete Kuzma, Astrophysical Journal Letters (2018)
Spectroscopic Follow-Up of the Hercules Aquila Cloud DOI
Iulia T. Simion, Vasily Belokurov, Sergey E. Koposov, Allyson Sheffield and Kathryn V. Johnston, Monthly Notices of the Royal Astronomical Society (2018)
Discovery of two neighboring satellites in the Carina constellation with MagLiteS DOI
G. Torrealba, V. Belokurov, S. E. Koposov, K. Bechtol, A. Drlica-Wagner, K. A. G. Olsen, A. K. Vivas, B. Yanny, P. Jethwa, A. R. Walker et al., Monthly Notices of the Royal Astronomical Society (2018)
Halo Substructure in the SDSS-Gaia Catalogue: DOI
G. C. Myeong, N. W. Evans, V. Belokurov, N. C. Amorisco and S. Koposov, Monthly Notices of the Royal Astronomical Society (2018)
The Gaia-ESO Survey: DOI
S. Randich, E. Tognelli, R. Jackson, R. D. Jeffries, S. Degl'Innocenti, E. Pancino, P. Re Fiorentin, A. Spagna, G. Sacco, S. Koposov et al., Astronomy and Astrophysics (2018)
The Milky Way Halo in Action Space DOI
G. C. Myeong, N. W. Evans, V. Belokurov, J. L. Sanders and S. Koposov, The Astrophysical Journal Letters, (2018)
The VISTA ZYJHKs Photometric System: DOI
Carlos González-Fernández, Simon T. Hodgkin, Michael J. Irwin, Eduardo González-Solares, Sergey E. Koposov, Jim R. Lewis, Jim P. Emerson, Paul C. Hewett, Aybuke K. Yoldaş and Marco Riello, Monthly Notices of the Royal Astronomical Society (2018)
The first all-sky view of the Milky Way stellar halo with Gaia+2MASS RR Lyrae DOI
G. Iorio, V. Belokurov, D. Erkal, S. E. Koposov, C. Nipoti and F. Fraternali, Monthly Notices of the Royal Astronomical Society (2018)
The Gaia-ESO Survey: DOI
M. R. Hayden, A. Recio-Blanco, P. de Laverny, S. Mikolaitis, G. Guiglion, V. Hill, G. Gilmore, S. Randich, A. Bayo, S. Koposov et al., Astronomy and Astrophysics (2018)
To the Galactic Virial Radius with Hyper Suprime-Cam DOI
Alis J. Deason, Vasily Belokurov and Sergey E. Koposov, Astrophysical Journal (2018)
Cresting the wave: DOI
Alis J. Deason, Vasily Belokurov and Sergey E. Koposov, Monthly Notices of the Royal Astronomical Society (2018)
The Discovery of a Five-Image Lensed Quasar at z = 3.34 using PanSTARRS1 and Gaia DOI
Fernanda Ostrovski, Cameron A. Lemon, Matthew W. Auger, Richard G. McMahon, Christopher D. Fassnacht, Geoff C. -F. Chen, Andrew J. Connolly, Sergey E. Koposov, Estelle Pons, Sophie L. Reed et al., Monthly Notices of the Royal Astronomical Society: Letters (2018)
The fall of the Northern Unicorn: DOI
T. J. L. de Boer, V. Belokurov and S. E. Koposov, Monthly Notices of the Royal Astronomical Society (2018)
The Gaia-ESO Survey: DOI
B. B. Thompson, C. G. Few, M. Bergemann, B. K. Gibson, B. A. MacFarlane, A. Serenelli, G. Gilmore, S. Randich, A. Vallenari, S. E. Koposov et al., Monthly Notices of the Royal Astronomical Society (2018)
The Gaia-ESO Survey: DOI
T. Merle, S. Van Eck, A. Jorissen, M. Van der Swaelmen, T. Masseron, T. Zwitter, D. Hatzidimitriou, A. Klutsch, D. Pourbaix, S. Koposov et al., Astronomy and Astrophysics (2017)
Gravitationally Lensed Quasars in Gaia: DOI
Cameron A. Lemon, Matthew W. Auger, Richard G. McMahon and Sergey E. Koposov, Monthly Notices of the Royal Astronomical Society (2017)
Structured star formation in the Magellanic inter-Cloud region DOI
A. D. Mackey, S. E. Koposov, G. S. Da Costa, V. Belokurov, D. Erkal, F. Fraternali, N. M. McClure-Griffiths and M. Fraser, Monthly Notices of the Royal Astronomical Society (2017)
A parametric description of the 3D structure of the Galactic Bar/Bulge using the VVV survey DOI
Iulia T. Simion, Vasily Belokurov, Mike Irwin, Sergey E. Koposov, Carlos Gonzalez-Fernandez, Annie C. Robin, Juntai Shen and Zhao-Yu Li, Monthly Notices of the Royal Astronomical Society (2017)
Gaia Data Release 1. Testing the parallaxes with local Cepheids and RR Lyrae stars DOI
Gaia Collaboration, Astronomy & Astrophysics (2017)
Gaia 1 and 2. A pair of new Galactic star clusters DOI
S. E. Koposov, V. Belokurov and G. Torrealba, Monthly Notices of the Royal Astronomical Society (2017)
The slight spin of the old stellar halo DOI
Alis J. Deason, Vasily Belokurov, Sergey E. Koposov, Facundo A. Gomez, Robert J. Grand, Federico Marinacci and Rudiger Pakmor, Monthly Notices of the Royal Astronomical Society (2017)
A sharper view of Pal 5's tails: discovery of stream perturbations with a novel non-parametric technique DOI
Denis Erkal, Sergey E. Koposov and Vasily Belokurov, Monthly Notices of the Royal Astronomical Society, 470, 1, p. 60-84 (2017)
The Gaia-ESO Survey: DOI
Sarah M. R. Jeffreson, Jason L. Sanders, N. W. Evans, Angus A. Williams, G. F. Gilmore, Amelia Bayo, Angela Bragaglia, Ettore Flaccomio, Richard Jackson, S. E. Koposov et al., Monthly Notices of the Royal Astronomical Society (2017)
Gaia-ESO Survey: DOI
F. Damiani, A. Klutsch, R. D. Jeffries, S. Randich, L. Prisinzano, J. Maíz Apellániz, G. Micela, V. Kalari, A. Frasca, S. Koposov et al., Astronomy and Astrophysics (2017)
A Halo Substructure in Gaia Data Release 1 DOI
G. C. Myeong, N. W. Evans, V. Belokurov, S. Koposov and J. L. Sanders, Monthly Notices of the Royal Astronomical Society: Letters, Volume (2017)
Eight new luminous z ≥ 6 quasars selected via SED model fitting of VISTA, WISE and Dark Energy Survey Year 1 Observations DOI
S. L. Reed, R. G. McMahon, P. Martini, M. Banerji, M. Auger, P. C. Hewett, S. E. Koposov, S. L. J. Gibbons, E. Gonzalez-Solares, F. Ostrovski et al., Monthly Notices of the Royal Astronomical Society (2017)
The Gaia-ESO Survey: DOI
L. Magrini, S. Randich, G. Kordopatis, N. Prantzos, D. Romano, A. Chieffi, M. Limongi, P. Francois, E. Pancino, S. Koposov et al., Astronomy and Astrophysics (2017)
The Clouds are breaking: DOI
Alis J. Deason, Vasily Belokurov, Denis Erkal, Sergey E. Koposov and Dougal Mackey, Monthly Notices of the Royal Astronomical Society (2017)
The discovery of tidal tails around the globular cluster NGC 7492 with Pan-STARRS1 DOI
Camila Navarrete, Vasily Belokurov and Sergey E. Koposov, Astrophysical Journal Letters (2017)
The Gaia-ESO Survey: DOI
A. Rojas-Arriagada, A. Recio-Blanco, P. de Laverny, Š. Mikolaitis, F. Matteucci, E. Spitoni, M. Schultheis, M. Hayden, V. Hill, S. E. Koposov et al., Astronomy and Astrophysics (2017)
The Gaia-ESO Survey: DOI
G. G. Sacco, L. Spina, S. Randich, F. Palla, R. J. Parker, R. D. Jeffries, R. Jackson, M. R. Meyer, M. Mapelli, S. E. Koposov et al., Astronomy and Astrophysics (2017)
The Gaia-ESO Survey: DOI
L. Spina, S. Randich, L. Magrini, R. D. Jeffries, E. D. Friel, G. G. Sacco, E. Pancino, R. Bonito, L. Bravi, S. E. Koposov et al., Astronomy and Astrophysics (2017)
The RAVE-on catalog of stellar atmospheric parameters and chemical abundances for chemo-dynamic studies in the Gaia era DOI
Andrew R. Casey, Keith Hawkins, David W. Hogg, Melissa Ness, Hans Walter-Rix, Georges Kordopatis, Andrea Kunder, Matthias Steinmetz, Sergey Koposov, Harry Enke et al., Astrophysical Journal (2017)
A fork in the Sagittarius trailing debris DOI
Camila Navarrete, Vasily Belokurov, Sergey E. Koposov, Mike Irwin, Márcio Catelan, Sonia Duffau and Andrew J. Drake, Monthly Notices of the Royal Astronomical Society (2017)
Clouds, Streams and Bridges: Redrawing the blueprint of the Magellanic System with Gaia DR1 DOI
Vasily Belokurov, Denis Erkal, Alis J. Deason, Sergey E. Koposov, Francesca De Angeli, Dafydd Wyn Evans, Filippo Fraternali and Dougal Mackey, Monthly Notices of the Royal Astronomical Society (2017)
The Gaia-ESO survey: DOI
B. Tang, D. Geisler, E. Friel, S. Villanova, R. Smiljanic, A. R. Casey, S. Randich, L. Magrini, I. San Roman, S. Koposov et al., Astronomy and Astrophysics (2017)
Crater 2: DOI
Nelson Caldwell, Matthew G. Walker, Mario Mateo, Edward W. Olszewski, Sergey Koposov, Vasily Belokurov, Gabriel Torrealba, Alex Geringer-Sameth and Christian I. Johnson, Astrophysical Journal (2017)
Blue diffuse dwarf galaxies: DOI
Bethan L. James, Sergey E. Koposov, Daniel P. Stark, Vasily Belokurov, Max Pettini, Edward W. Olszewski and Kristen B. W. McQuinn, Monthly Notices of the Royal Astronomical Society (2017)
Gaia data release 1, the photometric data DOI
F. van Leeuwen, D. W. Evans, F. De Angeli, C. Jordi, G. Busso, C. Cacciari, M. Riello, E. Pancino, G. Altavilla, N. C. Hambly, N. Rowell, R. S. Collins, N. J. G. Cross, S. E. Koposov, R. G. Mann et al., Astronomy & Astrophysics (2017)
VDES J2325-5229 a z=2.7 gravitationally lensed quasar discovered using morphology independent supervised machine learning DOI
Fernanda Ostrovski, Richard G. McMahon, Andrew J. Connolly, Cameron A. Lemon, Matthew W. Auger, Manda Banerji, Johnathan M. Hung, Sergey E. Koposov, Christopher E. Lidman, Sophie L. Reed et al., Monthly Notices of the Royal Astronomical Society (2017)
The Gaia-ESO Survey: Calibration strategy DOI
E. Pancino, C. Lardo, G. Altavilla, S. Marinoni, S. Ragaini, G. Cocozza, M. Bellazzini, E. Sabbi, M. Zoccali, S. E. Koposov, N. Hambly et al., Astronomy & Astrophysics, 598 (2017)
The Gaia-ESO Survey: DOI
R. D. Jeffries, R. J. Jackson, E. Franciosini, S. Randich, D. Barrado, A. Frasca, A. Klutsch, A. C. Lanzafame, L. Prisinzano, S. E. Koposov et al., Monthly Notices of the Royal Astronomical Society (2017)
At the survey limits: DOI
G. Torrealba, S. E. Koposov, V. Belokurov, M. Irwin, M. Collins, M. Spencer, R. Ibata, M. Mateo, A. Bonaca and P. Jethwa, Monthly Notices of the Royal Astronomical Society (2016)
The Gaia-ESO survey: DOI
Maria Bergemann, Aldo Serenelli, Ralph Schoenrich, Greg Ruchti, Andreas Korn, Saskia Hekker, Mikhail Kovalev, Lyudmila Mashonkina, Gerry Gilmore, Sergey Koposov et al., Astronomy and Astrophysics (2016)
The Gaia-ESO Survey: DOI
A. R. Casey, G. Ruchti, T. Masseron, S. Randich, G. Gilmore, K. Lind, G. M. Kennedy, S. E. Koposov, A. Hourihane, E. Franciosini et al., Monthly Notices of the Royal Astronomical Society (2016)
The Gaia-ESO Survey: pre-main-sequence stars in the young open cluster NGC 3293 DOI
A. J. Delgado, L. Sampedro, E. J. Alfaro, M. T. Costado, J. L. Yun, A. Frasca, A. C. Lanzafame, J. E. Drew, J. Eisloeffel, S. Koposov et al., Monthly Notices of the Royal Astronomical Society, 460, 3, p. 3305-3315 (2016)
The Gaia-ESO Survey: DOI
E. Stonkute, S. E. Koposov, L. M. Howes, S. Feltzing, C. C. Worley, G. Gilmore, G. R. Ruchti, G. Kordopatis, S. Randich, T. Zwitter et al., Monthly Notices of the Royal Astronomical Society (2016)
The feeble giant. Discovery of a large and diffuse Milky Way dwarf galaxy in the constellation of Crater DOI
G. Torrealba, S. E. Koposov, V. Belokurov and M. Irwin, Monthly Notices of the Royal Astronomical Society (2016)
The Gaia-ESO Survey: DOI
R. Smiljanic, E. Franciosini, S. Randich, L. Magrini, A. Bragaglia, L. Pasquini, A. Vallenari, G. Tautvaisiene, K. Biazzo, S. E. Koposov et al., Astronomy and Astrophysics (2016)
The Gaia-ESO survey: DOI
Angus A. Williams, N. W. Evans, Matthew Molloy, Georges Kordopatis, M. C. Smith, J. Shen, G. Gilmore, S. Randich, T. Bensby, S. E Koposov et al., Astrophysical Journal Letters (2016)
Gaia-ESO Survey: DOI
F. Damiani, R. Bonito, L. Magrini, L. Prisinzano, M. Mapelli, G. Micela, V. Kalari, J. Maiz Apellaniz, G. Gilmore, S. Koposov et al., Astronomy and Astrophysics, 591, p. 1-22 (2016)
A 10 kpc stellar substructure at the edge of the Large Magellanic Cloud: DOI
Dougal Mackey, Sergey E. Koposov, Denis Erkal, Vasily Belokurov, Gary S. Da Costa and Facundo A. Gómez, Monthly Notices of the Royal Astronomical Society (2016)
The Gaia-ESO Survey: DOI
H. R. Jacobson, E. D. Friel, L. Jilkova, L. Magrini, A. Bragaglia, A. Vallenari, M. Tosi, S. Randich, P. Donati, S. E. Koposov et al., Astronomy and Astrophysics (2016)
The Gaia-ESO Survey: DOI
J. Bouvier, A. Lanzafame, L. Venuti, A. Klutsch, R. Jeffries, A. Frasca, E. Moraux, K. Biazzo, S. Messina, S. Koposov et al., Astronomy and Astrophysics (2016)
A Hubble Space Telescope Study of the Enigmatic Milky Way Halo Globular Cluster Crater DOI
Daniel R. Weisz, Sergey E. Koposov, Andrew E. Dolphin, Vasily Belokurov, Mark Gieles, Mario L. Mateo, Edward W. Olszewski, Alison Sills and Matthew G. Walker, Astrophysical Journal (2016)
The Gaia-ESO Survey: DOI
R. Smiljanic, D. Romano, A. Bragaglia, P. Donati, L. Magrini, E. Friel, H. Jacobson, S. Randich, P. Ventura, S. Koposov et al., Astronomy and Astrophysics (2016)
Chemodynamic subpopulations of the Carina dwarf galaxy DOI
G. Kordopatis, N. C. Amorisco, N. W. Evans, G. Gilmore and S. E. Koposov, Monthly Notices of the Royal Astronomical Society (2016)
Magellan/M2FS Spectroscopy of Tucana 2 and Grus 1 DOI
Matthew G. Walker, Mario Mateo, Edward W. Olszewski, Sergey E. Koposov, Vasily Belokurov, Prashin Jethwa, David L. Nidever, Vincent Bonnivard, I. Bailey III John, Eric F. Bell et al., Astrophysical Journal (2016)
Stellar streams around the Magellanic Clouds DOI
Vasily Belokurov and Sergey Koposov, Monthly Notices of the Royal Astronomical Society (2016)
The Gaia-ESO Survey: DOI
A. Rojas-Arriagada, A. Recio-Blanco, P. de Laverny, M. Schultheis, G. Guiglion, Š. Mikolaitis, G. Kordopatis, V. Hill, G. Gilmore, S. E. Koposov et al., Astronomy and Astrophysics (2016)
Gaia transient detection efficiency: DOI
Nadejda Blagorodnova, Sjoert Van Velzen, Diana L. Harrison, Sergey Koposov, Seppo Mattila, Heather Campbell, Nicholas A. Walton and Lukasz Wyrzykowski, Monthly Notices of the Royal Astronomical Society (2016)
The Gaia-ESO Survey DOI
G. Guiglion, A. Recio-Blanco, P. de Laverny, G. Kordopatis, V. Hill, Š. Mikolaitis, I. Minchev, C. Chiappini, R. F. G. Wyse, S. E. Koposov et al., Astronomy and Astrophysics (2015)
The Gaia-ESO Survey DOI
G. Kordopatis, R. F. G. Wyse, G. Gilmore, A. Recio-Blanco, P. de Laverny, V. Hill, V. Adibekyan, U. Heiter, I. Minchev, S. E. Koposov et al., Astronomy and Astrophysics (2015)
The Gaia-ESO Survey: DOI
L. Spina, F. Palla, S. Randich, G. G. Sacco, R. Jeffries, L. Magrini, E. Franciosini, M. R. Meyer, G. Tautvaišienė, S. E. Koposov et al., Astronomy and Astrophysics (2015)
Kinematics and chemistry of recently discovered Reticulum 2 and Horologium 1 dwarf galaxies DOI
Sergey E. Koposov, Andrew R. Casey, Vasily Belokurov, James R. Lewis, Gerard Gilmore, Clare Worley, Anna Hourihane, T. Bensby, A. Bragaglia, M. Bergemann et al., Astrophysical Journal (2015)
An extended view of the Pisces Overdensity from the SCUSS survey DOI
J. D. Nie, M. C. Smith, V. Belokurov, X. H. Fan, Z. Fan, M. J. Irwin, Z. J. Jiang, Y. P. Jing, S. E. Koposov, M. Lesser et al., Astrophysical Journal (2015)
Total eclipse of the heart: DOI
H. C. Campbell, T. R. Marsh, M. Fraser, S. T. Hodgkin, E. de Miguel, B. T. Gänsicke, D. Steeghs, A. Hourihane, E. Breedt, S. E. Koposov et al., Monthly Notices of the Royal Astronomical Society (2015)
Indication of Gamma-ray Emission from the Newly Discovered Dwarf Galaxy Reticulum II DOI
Alex Geringer-Sameth, Matthew G. Walker, Savvas M. Koushiappas, Sergey E. Koposov, Vasily Belokurov, Gabriel Torrealba and N. Wyn Evans, Physical Review Letters (2015)
The star formation history of the Sagittarius stream DOI
T. J. L. de Boer, V. Belokurov and S. Koposov, Monthly Notices of the Royal Astronomical Society (2015)
The Gaia-ESO Survey: Empirical determination of the precision of stellar radial velocities and projected rotation velocities DOI
R. J. Jackson, R. D. Jeffries, J. Lewis, S. E. Koposov, G. G. Sacco, S. Randich, G. Gilmore, M. Asplund, J. Binney, P. Bonifacio, A. M. N. Ferguson, N. Hambly et al., Astronomy & Astrophysics, 580 (2015)
Magellan/M2FS Spectroscopy of the Reticulum 2 Dwarf Spheroidal Galaxy DOI
Matthew G. Walker, Mario Mateo, Edward W. Olszewski, I. Bailey III John, Sergey E. Koposov, Vasily Belokurov and N. Wyn Evans, Astrophysical Journal (2015)
A Comprehensive Archival Search for Counterparts to Ultra-Compact High Velocity Clouds: DOI
D. J. Sand, D. Crnojević, P. Bennet, B. Willman, J. Hargis, J. Strader, E. Olszewski, E. J. Tollerud, J. D. Simon, S. Koposov et al., Astrophysical Journal (2015)
BEASTS OF THE SOUTHERN WILD: DISCOVERY OF NINE ULTRA FAINT SATELLITES IN THE VICINITY OF THE MAGELLANIC CLOUDS DOI
Sergey E. Koposov, Vasily Belokurov, Gabriel Torrealba and N. Wyn Evans, Astrophysical Journal, 805, 2, p. 1-18 (2015)
Uncovering Blue Diffuse Dwarf Galaxies DOI
Bethan L. James, Sergey Koposov, Daniel P. Stark, Vasily Belokurov, Max Pettini and Edward W. Olszewski, Monthly Notices of the Royal Astronomical Society (2015)
Gaia-ESO Survey: Analysis of pre-main sequence stellar spectra DOI
A. C. Lanzafame, A. Frasca, F. Damiani, E. Franciosini, M. Cottaar, S. G. Sousa, H. M. Tabernero, A. Klutsch, L. Spina, A. M. N. Ferguson, N. Hambly, S. E. Koposov et al., Astronomy & Astrophysics, 576, p. A80 (2015)
The Gaia-ESO Survey: A globular cluster escapee in the Galactic halo DOI
K. Lind, S. E. Koposov, C. Battistini, A. F. Marino, G. Ruchti, A. Serenelli, C. C. Worley, A. Alves-Brito, M. Asplund, P. S. Barklem, A. M. N. Ferguson et al., Astronomy & Astrophysics, 575 (2015)
Combining Dark Energy Survey Science Verification Data with Near Infrared Data from the ESO VISTA Hemisphere Survey DOI
Manda Banerji, S. Jouvel, H. Lin, R. G. McMahon, O. Lahav, F. J. Castander, F. B. Abdalla, E. Bertin, S. E. Bosman, S. Koposov, J. Zuntz et al., Monthly Notices of the Royal Astronomical Society (2015)
Discovery of ∼9000 new RR Lyrae in the southern Catalina surveys DOI
G. Torrealba, M. Catelan, A. J. Drake, S. G. Djorgovski, R. H. McNaught, V. Belokurov, S. Koposov, M. J. Graham, A. Mahabal, S. Larson et al., Monthly Notices of the Royal Astronomical Society (2015)
Exposing Sgr tidal debris behind the Galactic disc with M giants selected in WISE∩2MASS DOI
S. E. Koposov, V. Belokurov, D. B. Zucker, G. F. Lewis, R. A. Ibata, E. W. Olszewski, A. R. Lopez-Sanchez and E. A. Hyde, Monthly Notices of the Royal Astronomical Society (2015)
The Gaia-ESO Survey: DOI
C. Lardo, E. Pancino, M. Bellazzini, A. Bragaglia, P. Donati, G. Gilmore, S. Randich, S. Feltzing, R. D. Jeffries, S. E. Koposov et al., Astronomy and Astrophysics (2015)
TriAnd and its Siblings: DOI
A. J. Deason, V. Belokurov, K. M. Hamren, S. E. Koposov, K. M. Gilbert, R. L. Beaton, C. E. Dorman, P. Guhathakurta, S. R. Majewski and E. C. Cunningham, Monthly Notices of the Royal Astronomical Society (2014)
The Gaia-ESO Survey: The analysis of high-resolution UVES spectra of FGK-type stars DOI
R. Smiljanic, A. J. Korn, M. Bergemann, A. Frasca, L. Magrini, T. Masseron, E. Pancino, G. Ruchti, I. San Roman, A. Ferguson, S. Koposov et al., Astronomy & Astrophysics, 570 (2014)
Balancing mass and momentum in the Local Group DOI
Jonathan D. Diaz, Sergey E. Koposov, Mike Irwin, Vasily Belokurov and Wyn Evans, Monthly Notices of the Royal Astronomical Society (2014)
Discovery of a cold stellar stream in the ATLAS DR1 data DOI
S. E. Koposov, M. Irwin, V. Belokurov, E. Gonzales-Solares, A. Kupcu Yoldas, J. Lewis, N. Metcalfe and T. Shanks, Monthly Notices of the Royal Astronomical Society: Letters (2014)
GS-TEC: DOI
Nadejda Blagorodnova, Sergey E. Koposov, Łukasz Wyrzykowski, Mike Irwin and Nicholas A. Walton, Monthly Notices of the Royal Astronomical Society (2014)
The Gaia-ESO Survey: DOI
L. Spina, S. Randich, F. Palla, G. G. Sacco, L. Magrini, E. Franciosini, L. Morbidelli, L. Prisinzano, E. J. Alfaro, S. Koposov et al., Astronomy and Astrophysics (2014)
The Gaia-ESO Survey: DOI
A. Recio-Blanco, P. de Laverny, G. Kordopatis, A. Helmi, V. Hill, G. Gilmore, R. Wyse, V. Adibekyan, S. Randich, S. E. Koposov et al., Astronomy and Astrophysics (2014)
ATLAS lifts the Cup: DOI
V. Belokurov, M. J. Irwin, S. E. Koposov, N. W. Evans, E. Gonzalez-Solares, N. Metcalfe and T. Shanks, Monthly Notices of the Royal Astronomical Society (2014)
The Catalina Surveys Periodic Variable Star Catalog DOI
A. J. Drake, M. J. Graham, S. G. Djorgovski, M. Catelan, A. A. Mahabal, G. Torrealba, D. Garcia-Alvarez, C. Donalek, J. L. Prieto, S. E. Koposov et al., Astrophysical Journal Supplement (2014)
The Gaia-ESO Survey: processing FLAMES-UVES spectra DOI
G. G. Sacco, L. Morbidelli, E. Franciosini, E. Maiorca, S. Randich, A. Modigliani, G. Gilmore, M. Asplund, J. Binney, A. Ferguson, N. Hambly, S. Koposov et al., Astronomy & Astrophysics, 565 (2014)
The Gaia-ESO Survey: radial metallicity gradients and age-metallicity relation of stars in the Milky Way disk DOI
M. Bergemann, G. R. Ruchti, A. Serenelli, S. Feltzing, A. Alves-Brito, M. Asplund, T. Bensby, P. Gruyters, U. Heiter, A. M. N. Ferguson, S. E. Koposov et al., Astronomy & Astrophysics, 565 (2014)
Strong RR Lyrae excess in the Hercules-Aquila Cloud DOI
Iulia T. Simion, Vasily Belokurov, Mike Irwin and Sergey E. Koposov, Monthly Notices of the Royal Astronomical Society (2014)
Touching The Void: DOI
Alis J. Deason, Vasily Belokurov, Sergey E. Koposov and Connie M. Rockosi, Astrophysical Journal (2014)
The Gaia-ESO Survey: DOI
E. D. Friel, P. Donati, A. Bragaglia, H. R. Jacobson, L. Magrini, L. Prisinzano, S. Randich, M. Tosi, T. Cantat-Gaudin, S. E. Koposov et al., Astronomy & Astrophysics, (2014)
The Gaia-ESO Survey: DOI
R. D. Jeffries, R. J. Jackson, M. Cottaar, S. E. Koposov, A. C. Lanzafame, M. R. Meyer, L. Prisinzano, S. Randich, G. G. Sacco, E. Brugaletta et al., Astronomy and Astrophysics (2014)
The Gaia-ESO Survey: DOI
L. Magrini, S. Randich, D. Romano, E. Friel, A. Bragaglia, R. Smiljanic, H. Jacobson, A. Vallenari, M. Tosi, S. Koposov et al., Astronomy and Astrophysics (2014)
The similarity of the stellar mass fractions of galaxy groups and clusters DOI
J. M. Budzynski, S. E. Koposov, I. G. McCarthy and V. Belokurov, Monthly Notices of the Royal Astronomical Society (2014)
The Gaia-ESO Survey DOI
P. Donati, T. Cantat-Gaudin, A. Bragaglia, E. Friel, L. Magrini, R. Smiljanic, A. Vallenari, M. Tosi, R. Sordo, S. E. Koposov et al., Astronomy and Astrophysics (2014)
Precession of the Sagittarius stream DOI
V. Belokurov, S. E. Koposov, N. W. Evans, J. Penarrubia, M J Irwin, M. C. Smith, G. F. Lewis, M Gieles, M. I. Wilkinson, G Gilmore, E W Olszewski et al., Monthly Notices of the Royal Astronomical Society, 437, 1, p. 116-131 (2014)
Are group- and cluster-scale dark matter halos over-concentrated? DOI
M. W. Auger, J. M. Budzynski, V. Belokurov, S. E. Koposov and I. McCarthy, Monthly Notices of the Royal Astronomical Society (2013)
A plausible (overlooked) super-luminous supernova in the SDSS Stripe 82 data DOI
Zuzanna Kostrzewa-Rutkowska, Szymon Kozlowski, Lukasz Wyrzykowski, S. George Djorgovski, Eilat Glikman, Ashish A. Mahabal and Sergey Koposov, Astrophysical Journal (2013)
Photometric study of open clusters Berkeley 96, Berkeley 97, King 12, NGC 7261, NGC 7296, and NGC 7788 DOI
Elena V. Glushkova, Marina V. Zabolotskikh, Sergey E. Koposov, Olga I. Spiridonova, Svetlana I. Leonova, Valery V. Vlasyuk and Alexey S. Rastorguev, Monthly Notices of the Royal Astronomical Society (2013)
Hyper-luminous Reddened Broad-Line Quasars at z~2 from the VISTA Hemisphere Survey and WISE All Sky Survey DOI
Manda Banerji, Richard G. McMahon, Paul C. Hewett, Eduardo Gonzalez-Solares and Sergey E. Koposov, Monthly Notices of the Royal Astronomical Society (2013)
Ages and abundances in large-scale stellar disks of nearby S0 galaxies DOI
O. K. Sil'chenko, I. S. Proshina, A. P. Shulga and S. E. Koposov, Monthly Notices of the Royal Astronomical Society (2012)
First T dwarfs in the VISTA Hemisphere Survey DOI
N. Lodieu, B. Burningham, A. Day-Jones, R. -D. Scholz, F. Marocco, S. Koposov, D. Barrado y Navascues, P. W. Lucas, P. Cruz, J. Lillo et al., Astronomy and Astrophysics (2012)
A Statistical Method for Measuring the Galactic Potential and Testing Gravity with Cold Tidal Streams DOI
Jorge Peñarrubia, Sergey E. Koposov and Matthew G. Walker, Astrophysical Journal, 760, 1, p. 2 (2012)
The Coupling between the Core/Cusp and Missing Satellite Problems DOI
Jorge Peñarrubia, Andrew Pontzen, Matthew G. Walker and Sergey E. Koposov, Astrophysical Journal Letters, 759, 2 (2012)
The cold veil of the Milky Way stellar halo DOI
A. J. Deason, V. Belokurov, N. W. Evans, S. E. Koposov, R. J. Cooke, J. Peñarrubia, C. F. P. Laporte, M. Fellhauer, M. G. Walker and E. W. Olszewski, Monthly Notices of the Royal Astronomical Society, 425, 4, p. 2840-2853 (2012)
The radial distribution of galaxies in groups and clusters DOI
J. M. Budzynski, S. Koposov, I. G. McCarthy, S. L. McGee and V. Belokurov, Monthly Notices of the Royal Astronomical Society (2012)
The Sagittarius Streams in the Southern Galactic Hemisphere DOI
Sergey E. Koposov, V. Belokurov, N. W. Evans, G. Gilmore, M. Gieles, M. J. Irwin, G. F. Lewis, M. Niederste-Ostholt, J. Peñarrubia, M. C. Smith, D. Bizyaev et al., Astrophysical Journal, 750, 1, p. 80 (2012)
Outer density profiles of 19 Galactic globular clusters from deep and wide-field imaging DOI
Julio A. Carballo-Bello, Mark Gieles, Antonio Sollima, Sergey Koposov, David Martínez-Delgado and Jorge Peñarrubia, Monthly Notices of the Royal Astronomical Society (2012)
Quantifying Kinematic Substructure in the Milky Way's Stellar Halo DOI
Xiang-Xiang Xue, Hans-Walter Rix, Brian Yanny, Timothy C. Beers, Eric F. Bell, Gang Zhao, James S. Bullock, Kathryn V. Johnston, Heather Morrison, Sergey E. Koposov et al., Astrophysical Journal (2011)
Accurate Stellar Kinematics at Faint Magnitudes: DOI
Sergey E. Koposov, G. Gilmore, M. G. Walker, V. Belokurov, N. Wyn Evans, M. Fellhauer, W. Gieren, D. Geisler, L. Monaco, J. E. Norris, J. Penarrubia et al., Astrophysical Journal (2011)
The Tidal Tails of the Ultra-Faint Globular Cluster Palomar 1 DOI
M. Niederste-Ostholt, V. Belokurov, N. W. Evans, S. Koposov, M. Gieles and M. J. Irwin, Monthly Notices of the Royal Astronomical Society: Letters (2010)
Big fish, small fish: DOI
V. Belokurov, M. G. Walker, N. W. Evans, G. Gilmore, M. J. Irwin, D. Just, S. Koposov, M. Mateo, E. Olszewski, L. Watkins et al., Astrophysical Journal Letters (2010)
Luminosity function and radial distribution of Milky Way satellites in a ΛCDM Universe DOI
Andrea V. Maccio', Xi Kang, Fabio Fontanot, Rachel S. Somerville, Sergey E. Koposov and Pierluigi Monaco, Monthly Notices of the Royal Astronomical Society (2010)
CONSTRAINING THE MILKY WAY POTENTIAL WITH A SIX-DIMENSIONAL PHASE-SPACE MAP OF THE GD-1 STELLAR STREAM DOI
Sergey E. Koposov, Hans-Walter Rix and David W. Hogg, Astrophysical Journal (2010)
Automated search for star clusters in large multiband surveys: DOI
Elena Glushkova, Sergey Koposov, Ivan Zolotukhin, Yuri Beletsky, Andrey Vlasov and Svetlana Leonova, Astron.Lett. (2010)
A quantitative explanation of the observed population of Milky Way satellite galaxies DOI
Sergey E. Koposov, Jaiyul Yoo, Hans-Walter Rix, David H. Weinberg, Andrea V. Macciò and Jordi Miralda-Escudé, Astrophysical Journal (2009)
The Luminosity Function of the Milky Way Satellites DOI
S. Koposov, V. Belokurov, N. W. Evans, P. C. Hewett, M. J. Irwin, G. Gilmore, D. B. Zucker, H. -W. Rix, M. Fellhauer, E. F. Bell et al., Astrophysical Journal (2008)
Leo V: DOI
V. Belokurov, M. G. Walker, N. W. Evans, D. C. Faria, G. Gilmore, M. J. Irwin, S. Koposov, M. Mateo, E. Olszewski and D. Zucker, Astrophysical Journal Letters (2008)
Automated search for galactic star clusters in large multiband surveys DOI
S. E. Koposov, E. V. Glushkova and I. Yu Zolotukhin, Astronomy and Astrophysics (2008)
The accretion origin of the Milky Way's stellar halo DOI
Eric F. Bell, Daniel B. Zucker, Vasily Belokurov, Sanjib Sharma, Kathryn V. Johnston, James S. Bullock, David W. Hogg, Knud Jahnke, Jelte T. A. de Jong, Sergey E. Koposov et al., Astrophysical Journal (2008)
The Cosmic Horseshoe: DOI
V. Belokurov, N. W. Evans, A. Moiseev, L. J. King, P. C. Hewett, M. Pettini, L. Wyrzykowski, R. G. McMahon, M. C. Smith, S. Koposov et al., Astrophysical Journal Letters (2007)
The discovery of two extremely low luminosity Milky Way globular clusters DOI
S. Koposov, J. T. A. de Jong, V. Belokurov, H. -W. Rix, D. B. Zucker, N. W. Evans, G. Gilmore, M. J. Irwin and E. F. Bell, Astrophysical Journal (2007)
GEMS: DOI
Boris Häußler, Daniel H. McIntosh, Marco Barden, Eric F. Bell, Hans-Walter Rix, Andrea Borch, Steven V. W. Beckwith, John A. R. Caldwell, Catherine Heymans, Sergey E. Koposov et al., Astrophysical Journal Supplement (2007)
The Hercules-Aquila cloud DOI
V. Belokurov, N. W. Evans, E. F. Bell, M. J. Irwin, P. C. Hewett, S. Koposov, C. M. Rockosi, G. Gilmore, D. B. Zucker, M. Fellhauer et al., Astrophysical Journal, 657, 2, p. L89-L92 (2007)
Discovery of an unusual dwarf galaxy in the outskirts of the Milky Way DOI
M. J. Irwin, V. Belokurov, N. W. Evans, E. V. Ryan-Weber, J. T. A. de Jong, S. Koposov, D. B. Zucker, S. T. Hodgkin, G. Gilmore, P. Prema et al., Astrophysical Journal, 656, 1, p. L13-L16 (2007)
Cats and dogs, hair and a hero: A quintet of new Milky Way companions DOI
V. Belokurov, D. B. Zucker, N. W. Evans, J. T. Kleyna, S. Koposov, S. T. Hodgkin, M. J. Irwin, G. Gilmore, M. I. Wilkinson, M. Fellhauer et al., Astrophysical Journal, 654, 2, p. 897-906 (2007)
Dry mergers in gems: The dynamical evolution of massive early-type galaxies DOI
EF Bell, T Naab, DH McIntosh, RS Somerville, JAR Caldwell, M Barden, C Wolf, HW Rix, SV Beckwith, S Koposov et al., Astrophysical Journal, 640, 1, p. 241-251 (2006)

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Publications by Sergey Koposov