Publications by Alkistis Pourtsidou

Interacting dark energy constraints from the full-shape analyses of BOSS DR12 and DES Year 3 measurements DOI
M. Tsedrik, S. Lee, K. Markovic, P. Carrilho, A. Pourtsidou, C. Moretti, B. Bose, E. Huff, A. Robertson, P. L. Taylor and J. Zuntz, Monthly Notices of the Royal Astronomical Society: Letters, 541, 1, p. L65-L70 (2025)
Emission line stacking of 21 cm intensity maps with MeerKLASS: Inference pipeline and application to the L-band deep-field data
Zhaoting Chen, Steven Cunnington, Alkistis Pourtsidou, Laura Wolz, Marta Spinelli, José Luis Bernal, Matilde Barberi-Squarotti, Stefano Camera, Isabella P. Carucci, José Fonseca, Keith Grainge et al., Astrophysical Journal, Supplement Series (2025)
Euclid. I. Overview of the Euclid mission DOI
Euclid Collaboration, Y. Mellier, Abdurro'uf, J. A. Acevedo Barroso, A. Achúcarro, J. Adamek, R. Adam, G. E. Addison, N. Aghanim, F. Beutler, B. Bose, G. Congedo, A. M. N. Ferguson, G. P. S. Gibb, M. S. Holliman, S. Matthew, J. A. Peacock, A. Pourtsidou, A. N. Taylor et al., Astronomy and Astrophysics, 697, p. 1-94 (2025)
Euclid. II. The VIS Instrument DOI
Euclid Collaboration, M. S. Cropper, A. Al-Bahlawan, J. Amiaux, S. Awan, R. Azzollini, K. Benson, M. Berthe, J. Boucher, G. Congedo, M. S. Holliman, J. A. Peacock, J. A. Schewtschenko, A. N. Taylor, A. Hall, S. Matthew, A. Pourtsidou, A. M. N. Ferguson et al., Astronomy and Astrophysics, 697, p. 1-33 (2025)
Euclid. III. The NISP Instrument DOI
Euclid Collaboration, K. Jahnke, W. Gillard, M. Schirmer, A. Ealet, T. Maciaszek, E. Prieto, R. Barbier, C. Bonoli, G. Congedo, J. A. Peacock, A. N. Taylor, A. Hall, S. Matthew, A. Pourtsidou, J. A. Schewtschenko, A. M. N. Ferguson et al., Astronomy and Astrophysics, 697, p. 1-31 (2025)
Euclid. V. The Flagship galaxy mock catalogue: A comprehensive simulation for the Euclid mission DOI
Euclid Collaboration, F. J. Castander, P. Fosalba, J. Stadel, D. Potter, J. Carretero, P. Tallada-Crespí, L. Pozzetti, M. Bolzonella, G. Congedo, M. S. Holliman, J. A. Peacock, A. N. Taylor, S. Matthew, A. Hall, A. Pourtsidou, J. A. Schewtschenko, A. M. N. Ferguson et al., Astronomy and Astrophysics, 697, p. 1-47 (2025)
Baryon-free S8 tension with Stage IV cosmic shear surveys DOI
Ottavia Truttero, Joe Zuntz, Alkistis Pourtsidou and Naomi Robertson, The Open Journal of Astrophysics, 8, p. 1-16 (2025)
Classifying Modified Gravity and Dark Energy Theories with Bayesian Neural Networks: Massive Neutrinos, Baryonic Feedback, and the Theoretical Error DOI
Linus Thummel, Benjamin Bose, Alkisitis Pourtsidou and Lucas Lombriser, Monthly Notices of the Royal Astronomical Society, 535, 4, p. 3141-3161 (2024)
Power spectrum multipoles and clustering wedges during the Epoch of Reionization DOI
Zhaoting Chen and Alkistis Pourtsidou, Monthly Notices of the Royal Astronomical Society, 535, 3, p. 2228-2245 (2024)
Euclid preparation LII. Forecast impact of super-sample covariance on 3×2pt analysis with Euclid DOI
Euclid Collaboration, G. Congedo, B. Gillis, A. N. Taylor, Shona Matthew and A. Pourtsidou, Astronomy and Astrophysics, 691, p. 1-24 (2024)
Stage-IV Cosmic Shear with Modified Gravity and Model-independent Screening DOI
M. Tsedrik, B. Bose, P. Carrilho, A. Pourtsidou, S. Pamuk, S. Casas and J. Lesgourgues, Journal of Cosmology and Astroparticle Physics (JCAP), 2024, 10, p. 1-40 (2024)
Euclid preparation XLIV. Modelling spectroscopic clustering on mildly nonlinear scales in beyond-ΛCDM models DOI
Euclid Collaboration, B. Bose, P. Carrilho, M. Marinucci, C. Moretti, M. Pietroni, E. Carella, L. Piga, B. S. Wright, F. Vernizzi, A. Pourtsidou, G. Congedo, A. N. Taylor, A. Hall, S. Matthew et al., Astronomy and Astrophysics, 689, p. 1-29 (2024)
Dark scattering: accelerated constraints from KiDS-1000 with ReACT and CosmoPower DOI
Karim Carrion, Pedro Carrilho, Alessio Spurio Mancini, Alkistis Pourtsidou and Juan Carlos Hidalgo, Monthly Notices of the Royal Astronomical Society, 532, 4, p. 3914-3925 (2024)
Euclid preparation XLI. Galaxy power spectrum modelling in real space DOI
Euclid Collaboration, A. Pezzotta, C. Moretti, M. Zennaro, A. Moradinezhad Dizgah, M. Crocce, E. Sefusatti, I. Ferrero, K. Pardede, G. Congedo, A. N. Taylor, A. Hall, A. Pourtsidou et al., Astronomy and Astrophysics, 687, p. 1-40 (2024)
Euclid preparation XXVIII. Modelling of the weak lensing angular power spectrum DOI
Euclid Collaboration and P Fleury, Astronomy and Astrophysics, 684, p. 1-23 (2024)
Modified gravity and massive neutrinos: constraints from the full shape analysis of BOSS galaxies and forecasts for Stage IV surveys DOI
Chiara Moretti, Maria Tsedrik, Pedro Carrilho and Alkistis Pourtsidou, Journal of Cosmology and Astroparticle Physics (JCAP), 12, p. 1-37 (2023)
The foreground transfer function for HI intensity mapping signal reconstruction: MeerKLASS and precision cosmology applications DOI
MeerKLASS Collaboration, Steven Cunnington, Laura Wolz, Philip Bull, Isabella P. Carucci, Keith Grainge, Melis O. Irfan, Yichao Li, Alkistis Pourtsidou, Mario G. Santos et al., Monthly Notices of the Royal Astronomical Society, 523, 2, p. 2453-2477 (2023)
Euclid preparation – XXIII. Derivation of galaxy physical properties with deep machine learning using mock fluxes and H-band images DOI
Euclid Collaboration, L. Bisigello, C. J. Conselice, M. Baes, M. Bolzonella, M. Brescia, S. Cavuoti, O. Cucciati, A. Humphrey, G. Congedo, A. N. Taylor, A. Pourtsidou et al., Monthly Notices of the Royal Astronomical Society, 520, 3, p. 3529-3548 (2023)
Fast and accurate predictions of the nonlinear matter power spectrum for general models of Dark Energy and Modified Gravity DOI
B. Bose, M. Tsedrik, J. Kennedy, L. Lombriser, A. Pourtsidou and A. Taylor, Monthly Notices of the Royal Astronomical Society, 519, 3, p. 4780-4800 (2023)
Interferometric H i intensity mapping: perturbation theory predictions and foreground removal effects DOI
Alkistis Pourtsidou, Monthly Notices of the Royal Astronomical Society, 519, 4, p. 6246-6256 (2023)
HI intensity mapping with MeerKAT: power spectrum detection in cross-correlation with WiggleZ galaxies DOI
Steven Cunnington, Yichao Li, Mario G. Santos, Jingying Wang, Isabella P. Carucci, Melis O. Irfan, Alkistis Pourtsidou, Marta Spinelli, Laura Wolz, Paula S. Soares et al., Monthly Notices of the Royal Astronomical Society, 518, 4, p. 6262-6272 (2023)
Cosmology with the EFTofLSS and BOSS: dark energy constraints and a note on priors DOI
Pedro Carrilho, Chiara Moretti and Alkistis Pourtsidou, Journal of Cosmology and Astroparticle Physics (JCAP), 2023, 1, p. 1-49 (2023)
Momentum transfer models of interacting dark energy DOI
Mark S. Linton, Robert Crittenden and Alkistis Pourtsidou, Journal of Cosmology and Astroparticle Physics (JCAP), 2022, 8, p. 1-23 (2022)
KiDS-1000 Cosmology: machine learning - accelerated constraints on Interacting Dark Energy with COSMOPOWER DOI
A. Spurio Mancini and A. Pourtsidou, Monthly Notices of the Royal Astronomical Society, 512, 1, p. L44-L48 (2022)
On the road to percent accuracy VI the nonlinear power spectrum for interacting dark energy with baryonic feedback and massive neutrinos DOI
Pedro Carrilho, Karim Carrion, Benjamin Bose, Alkistis Pourtsidou, Juan Carlos Hidalgo, Lucas Lombriser and Marco Baldi, Monthly Notices of the Royal Astronomical Society, 512, 3, p. 3691-3702 (2022)

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Publications by Alkistis Pourtsidou