JC
Johan Comparat
astro-ph.COastro-ph.GAastro-ph.HEastro-ph.IMastro-ph.SRhep-phgr-qchep-excosmology: observationscosmology: theory
On Valency
published · living versionsW_f3pdvfu7·v1 · currentpublished
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Large-scale Structure Catalogs for Cosmological Analysis
with Ashley J. Ross, Julian Bautista, Rita Tojeiro, Shadab Alam +51
1 version
W_tct389yc·v1published
W_8ctawbxj·v1published
W_xhxevuuw·v1published
Preprints & journals
223 papers in the corpus · 2011–2026The SRG/eROSITA All-Sky Survey: Early dark energy and Hubble constant from the cluster mass function2609.07834v1 · J. Strunk, E. Artis, E. Bulbul et al.2026 · 0 citationsarXiv
Euclid. A two-point correlation approach to diagnosing star-related systematics in the Euclid spectroscopic survey2609.05155v1 · I. Risso, B. R. Granett, E. Branchini et al.2026 · 0 citationsarXiv
Photometric redshifts for active galactic nuclei with LePHARE for the Vera C. Rubin Observatory2608.30494v2 · R. Shirley, M. Salvato, J. Cohen-Tanugi et al.2026 · 1 citationarXiv
The SRG/eROSITA All-Sky Survey DR2: Cumulative X-ray catalogues from the first three surveys and multi-wavelength counterparts in the western Galactic hemisphere2607.27772v1 · M. E. Ramos-Ceja, G. Lamer, M. Salvato et al.2026 · 0 citationsarXiv
The incidence of eROSITA X-ray AGN in the local Universe: from dwarf to massive galaxies2607.07795v2 · Z. Igo, A. Merloni, A. Georgakakis et al.2026 · 0 citationsarXiv
S-PLUS Clusters And Large-scale Environments (SCALE): II. PZWav versus redMaPPer identification of eRosita groups2607.02706v1 · L. Doubrawa, A. Finoguenov, E. S. Cypriano et al.2026 · 0 citationsarXiv
Investigating central star formation in local AGN host galaxies: is there tension between coeval growth and AGN feedback?2605.21576v1 · Q. Ni, K. Nandra, A. Merloni et al.2026 · 0 citationsarXiv
Substructure in redMaPPer clusters and its impact on X-ray morphology and scaling relations2604.25770v1 · R. Tuomainen, A. Finoguenov, J. Comparat et al.2026 · 0 citationsarXiv
Identification of low redshift groups and clusters of galaxies in the X-CLASS survey and the X-ray luminosity-temperature relation2603.23195v1 · Q. Moysan, F. Sarron, N. Clerc et al.2026 · 1 citationA&A 710, A77 (2026)
A systematic study of AGN feedback in a disk galaxy using MACER II: predictions of X-ray surface brightness profiles and comparison with eROSITA observations2603.22412v2 · Yuxuan Zou, Feng Yuan, Suoqing Ji et al.2026 · 2 citationsAstrophys. J. 1003, 199 (2026)
Cosmology with galaxy clusters using machine learning. Application to eROSITA Data2602.20483v2 · Fucheng Zhong, Nicola R. Napolitano, Johan Comparat et al.2026 · 0 citationsarXiv
The SRG/eROSITA all-sky survey: The morphologies of clusters of galaxies: II. The intrinsic distributions of morphological parameters2601.00636v1 · J. S. Sanders, Y. E. Bahar, E. Bulbul et al.2026 · 0 citationsarXiv
The life of central radio galaxies in clusters: AGN-ICM studies of eRASS1 clusters in the ASKAP fields2511.22319v2 · Angie Veronica, Thomas H. Reiprich, Florian Pacaud et al.2025 · 1 citationPubl. Astron. Soc. Aust. 43 (2026) e001
On the baryon budget in the X-ray-emitting circumgalactic medium of Milky Way-mass galaxies2511.17313v1 · Yi Zhang, Soumya Shreeram, Gabriele Ponti et al.2025 · 2 citationsarXiv
The role of supercluster filaments in shaping galaxy clusters2510.23311v1 · Ra'ul Baier-Soto, Yara Jaff'e, Alexis Finoguenov et al.2025 · 3 citationsarXiv
The SRG/eROSITA All-Sky Survey. Detection of shock-heated gas beyond the halo boundary into the accretion region2509.25317v2 · X. Zhang, E. Bulbul, B. Diemer et al.2025 · 1 citationA&A 709, A72 (2026)
Counterpart identification and classification for eRASS1 and characterisation of the AGN content2509.02842v2 · M. Salvato, J. Wolf, T. Dwelly et al.2025 · 16 citationsA&A 704, A344 (2025)
Sloan Digital Sky Survey-V: Pioneering Panoptic Spectroscopy2507.06989v1 · Juna A. Kollmeier, Hans-Walter Rix, Conny Aerts et al.2025 · 60 citationsarXiv
The Nineteenth Data Release of the Sloan Digital Sky Survey2507.07093v2 · Gautham Adamane Pallathadka, Mojgan Aghakhanloo, James Aird et al.2025 · 19 citationsarXiv
Impact of the large-scale cosmic web on the X-ray emitting circumgalactic medium2506.17222v1 · Soumya Shreeram, Daniela Gal'arraga-Espinosa, Johan Comparat et al.2025 · 2 citationsarXiv
The hot circumgalactic medium in stacked X-rays: observations vs simulations2506.09123v2 · Skylar Grayson, Evan Scannapieco, Johan Comparat et al.2025 · 1 citationarXiv
Unified weak lensing constraints on the evolution of the mass -- X-ray luminosity relation for galaxy clusters2505.21659v1 · Isabel Pederneiras, Alexis Finoguenov, Eduardo Cypriano et al.2025 · 1 citationarXiv
The eROSITA Final Equatorial Depth Survey (eFEDS): SDSS spectroscopic observations of X-ray sources2505.03872v2 · Catarina Aydar, Andrea Merloni, Tom Dwelly et al.2025 · 10 citationsA&A 698, A132 (2025)
The eROSITA view on the halo mass-temperature relation: From low-mass groups to massive clusters2505.01502v2 · V. Toptun, P. Popesso, I. Marini et al.2025 · 5 citationsA&A 700, A167 (2025)
Cross-correlations between X-ray clusters and the general galaxy population2504.10241v2 · Johan Comparat, Juan Macias-Perez, C'eline Combet et al.2025 · 0 citationsA&A 700, A271 (2025)
Retrieving the hot circumgalactic medium physics from the X-ray radial profile from eROSITA with an IlustrisTNG-based forward model2504.03840v2 · Soumya Shreeram, Johan Comparat, Andrea Merloni et al.2025 · 6 citationsA&A 703, A137 (2025)
The SRG/eROSITA All-Sky Survey. The Weak-Lensing Mass Calibration and the Stellar Mass-to-Halo Mass Relation from the Hyper Suprime-Cam Subaru Strategic Program2504.01076v2 · I-Non Chiu, Vittorio Ghirardini, Sebastian Grandis et al.2025 · 4 citationsA&A 704, A110 (2025)
eROSITA clusters dynamical state and their impact on the BCG luminosity2503.21066v1 · A. Zenteno, M. Kluge, R. Kharkrang et al.2025 · 20 citationsA&A 698, A171 (2025)
Cross-correlation between soft X-rays and galaxies A new benchmark for galaxy evolution models2503.19796v2 · Johan Comparat, Andrea Merloni, Gabriele Ponti et al.2025 · 5 citationsA&A 697, A173 (2025)
The impact of assembly history on the X-ray detectability of halos. From galaxy groups to galaxy clusters2503.19121v2 · I. Marini, P. Popesso, K. Dolag et al.2025 · 11 citationsA&A 698, A191 (2025)
Euclid Quick Data Release (Q1). First detections from the galaxy cluster workflow2503.19196v2 · S. Bhargava, C. Benoist, A. H. Gonzalez et al.2025 · 14 citationsarXiv
The SRG/eROSITA All-Sky Survey : Subaru/HSC-SSP weak-lensing mass measurements for the eRASS1 Galaxy Clusters2503.09952v2 · Nobuhiro Okabe, Thomas H. Reiprich, Sebastian Grandis et al.2025 · 12 citationsA&A 700, A46 (2025)
The SRG/eROSITA all-sky survey: View of the Fornax galaxy cluster2503.02884v2 · T.H. Reiprich, A. Veronica, F. Pacaud et al.2025 · 6 citationsA&A 703, A9 (2025)
The SRG/eROSITA all-sky survey: Constraints on Ultra-light Axion Dark Matter through Galaxy Cluster Number Counts2502.03353v2 · S. Zelmer, E. Artis, E. Bulbul et al.2025 · 2 citationsA&A, 704, A346 (2025)
The SRG/eROSITA all-sky survey: The morphologies of clusters of galaxies I: A catalogue of morphological parameters2502.02239v1 · J. S. Sanders, Y. E. Bahar, E. Bulbul et al.2025 · 10 citationsA&A 695, A160 (2025)
The First SRG/eROSITA All-Sky Survey. Characterization of clusters of galaxies misclassified in the eRASS1 point source catalog2501.17238v1 · F. Balzer, E. Bulbul, M. Kluge et al.2025 · 5 citationsA&A 701, A283 (2025)
The Jet Paths of Radio AGN and their Cluster Weather2412.01795v1 · E. Vardoulaki, V. Backofer, A. Finoguenov et al.2024 · 4 citationsA&A 695, A178 (2025)
The hot circumgalactic medium in the eROSITA All-Sky Survey III. Star-forming and quiescent galaxies2411.19945v1 · Yi Zhang, Johan Comparat, Gabriele Ponti et al.2024 · 20 citationsA&A 693, A197 (2025)
Average X-ray properties of galaxy groups. From Milky Way-like halos to massive clusters2411.17120v2 · P. Popesso, I. Marini, K. Dolag et al.2024 · 15 citationsA&A 704, A278 (2025)
The perils of stacking optically selected groups in eROSITA data. The Magneticum perspective2411.16546v2 · P. Popesso, I. Marini, K. Dolag et al.2024 · 7 citationsA&A 704, A277 (2025)
CHANCES, the Chilean Cluster Galaxy Evolution Survey: Selection and initial characterisation of clusters and superclusters2411.13655v3 · Crist'obal Sif'on, Alexis Finoguenov, Christopher P. Haines et al.2024 · 13 citationsA&A 697, A92 (2025)
Gas thermodynamics meets galaxy kinematics: Joint mass measurements for eROSITA galaxy clusters2411.09735v1 · Pengfei Li, Ang Liu, Matthias Kluge et al.2024 · 2 citationsA&A 692, A253 (2024)
The baryon census and the mass-density of stars, neutral gas, and hot gas as a function of halo mass2411.00456v1 · Ajay Dev, Simon P. Driver, Martin Meyer et al.2024 · 11 citationsarXiv
The SRG/eROSITA All-Sky Survey : Constraints on the structure growth from cluster number counts2410.09499v1 · E. Artis, E. Bulbul, S. Grandis et al.2024 · 18 citationsA&A 696, A5 (2025)
Quantifying Observational Projection Effects with a Simulation-based hot CGM model2409.10397v2 · Soumya Shreeram, Johan Comparat, Andrea Merloni et al.2024 · 9 citationsA&A 697, A22 (2025)
CircleZ: Reliable Photometric redshifts for AGN computed using only photometry from Legacy Survey Imaging for DESI2407.10788v2 · A. Saxena, M. Salvato, W. Roster et al.2024 · 17 citationsA&A 690, A365 (2024)
The SRG/eROSITA all-sky survey. X-ray emission from the warm-hot phase gas in long cosmic filaments2406.00105v2 · X. Zhang, E. Bulbul, N. Malavasi et al.2024 · 13 citationsA&A 691, A234 (2024)
Detecting Galaxy Groups and AGNs populating the local Universe in the eROSITA era2404.12719v1 · I. Marini, P. Popesso, G. Lamer et al.2024 · 23 citationsA&A 689, A7 (2024)
Searching for cold gas traced by MgII quasar absorbers in massive X-ray-selected galaxy clusters2404.10773v2 · A.Y. Fresco, C. Peroux, A. Merloni et al.2024 · 6 citationsA&A Volume 684, April 2024 Article Number A136
AXES-SDSS: comparison of SDSS galaxy groups with all-sky X-ray extended sources2403.17055v2 · S. Damsted, A. Finoguenov, H. Lietzen et al.2024 · 14 citationsA&A 690, A52 (2024)
Career total: at least 459 works. 223 are in this corpus.Showing the 50 most recent.
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