2.5k citations · 8k across the 69 of their papers we have counts for
45 papers · 1 filter
The SRG/eROSITA All-Sky Survey: Constraints on AGN Feedback in Galaxy Groups
Y. E. Bahar, E. Bulbul, V. Ghirardini +25
We investigate the impact of AGN feedback, on the entropy and characteristic temperature measurements of galaxy groups detected in the SRG/eROSITA's first All-Sky Survey (eRASS1) t…
CODEX: Role of velocity substructure in the scaling relations of galaxy clusters
S. Damsted, A. Finoguenov, N. Clerc +7
The use of galaxy clusters as cosmological probes relies on a detailed understanding of their properties. We aim to update the spectroscopic cluster identification of CODEX by runn…
The X-ray invisible Universe. A look into the halos undetected by eROSITA
P. Popesso, A. Biviano, E. Bulbul +15
The paper presents the analysis of optically selected GAMA groups and clusters in the SRG/eROSITA X-ray map of eFEDS (eROSITA Final Equatorial Depth Survey), in the halo mass range…
X-IFU/Athena view of the most distant galaxy clusters in the Universe
Florent Castellani, N. Clerc, Etienne Pointecouteau +2
The X-ray Integral Field Unit (X-IFU) on-board the second large ESA mission ''Athena'' will be a high spatial (5'') and spectral (2.5eV) resolution X-ray imaging spectrometer, oper…
Detecting clusters of galaxies and active galactic nuclei in an eROSITA all-sky survey digital twin
R. Seppi, J. Comparat, E. Bulbul +15
The extended ROentgen Survey with an Imaging Telescope Array (eROSITA) onboard the Spectrum-Roentgen-Gamma (SRG) observatory is revolutionizing X-ray astronomy. It provides large s…
The XXL Survey: XLVIII; X-ray follow-up of distant XXL clusters: Masses, scaling relations and AGN contamination
R. T. Duffy, C. H. A. Logan, B. J. Maughan +10
We use deep follow-up XMM-Newton observations of 6 clusters discovered in the XXL Survey at to gain robust measurements of their X-ray properties and to investigate the exten…
X-ray cluster cosmology
Nicolas Clerc, Alexis Finoguenov
Formation of dark matter halos is sensitive to the expansion rate of the Universe and to the growth of structures under gravitational collapse. Virialization of halos heats the gas…
Characterizing the bulk and turbulent gas motions in galaxy clusters
Simon Dupourqué, Etienne Pointecouteau, Nicolas Clerc +1
The most massive halos of matter in the Universe grow via accretion and merger events throughout cosmic times. These violent processes generate shocks at many scales and induce lar…
The eROSITA Final Equatorial-Depth Survey (eFEDS): X-ray Properties and Scaling Relations of Galaxy Clusters and Groups
Y. Emre Bahar, Esra Bulbul, Nicolas Clerc +16
We investigate the scaling relations between X-ray observables of the clusters detected in the eFEDS field using Spectrum-Roentgen-Gamma/eROSITA observations taking into account th…
The XXL survey: XLVI. Forward cosmological analysis of the C1 cluster sample
Christian Garrel, Marguerite Pierre, Patrick Valageas +15
We present the forward cosmological analysis of an selected sample of galaxy clusters out to a redshift of unity. Following our previous 2018 study based on the dn/dz quantit…
The eROSITA Final Equatorial-Depth Survey (eFEDS): A complete census of X-ray properties of Subaru Hyper Suprime-Cam weak lensing shear-selected clusters in the eFEDS footprint
Miriam E. Ramos-Ceja, M. Oguri, S. Miyazaki +23
The eFEDS survey is a proof-of-concept mini-survey designed to demonstrate the survey science capabilities of SRG/eROSITA. It covers an area of 140 square degrees where 542 galaxy…
The eROSITA Final Equatorial-Depth Survey (eFEDS): Catalog of galaxy clusters and groups
A. Liu, E. Bulbul, V. Ghirardini +31
The eROSITA Final Equatorial-Depth Survey has been carried out during the PV phase of the SRG/eROSITA telescope and completed in November 2019. This survey is designed to provide t…
The eROSITA Final Equatorial-Depth Survey (eFEDS): X-ray Observable-to-Mass-and-Redshift Relations of Galaxy Clusters and Groups with Weak-Lensing Mass Calibration from the Hyper Suprime-Cam Subaru Strategic Program Survey
I-Non Chiu, Vittorio Ghirardini, Ang Liu +18
We present the first weak-lensing mass calibration and X-ray scaling relations of galaxy clusters and groups selected in the Final Equatorial Depth Survey (eFEDS) observe…
The eROSITA Final Equatorial-Depth Survey (eFEDS): Optical confirmation, redshifts, and properties of the cluster and group catalog
M. Klein, M. Oguri, J. J. Mohr +19
The eROSITA Final Equatorial-Depth Survey (eFEDS), covering ~140 square degrees, was performed as part of the performance verification phase of the eROSITA telescope on board of th…
The X-CLASS survey: A catalogue of 1646 X-ray-selected galaxy clusters up to z1.5
E. Koulouridis, N. Clerc, T. Sadibekova +25
Cosmological probes based on galaxy clusters rely on cluster number counts and large-scale structure information. X-ray cluster surveys are well suited for this purpose, since they…
Gravitational redshifting of galaxies in the SPIDERS cluster catalogue
C. T. Mpetha, C. A. Collins, N. Clerc +10
Data from the SPectroscopic IDentification of ERosita Sources (SPIDERS) are searched for a detection of the gravitational redshifting of light from galaxies in $\si…
SPIDERS: An Overview of The Largest Catalogue of Spectroscopically Confirmed X-ray Galaxy Clusters
C. C. Kirkpatrick, N. Clerc, A. Finoguenov +16
SPIDERS is the spectroscopic follow-up effort of the Sloan Digital Sky Survey IV (SDSS-IV) project for the identification of X-ray selected galaxy clusters. We present our catalogu…
CODEX Weak Lensing Mass Catalogue and implications on the mass-richness relation
K. Kiiveri, D. Gruen, A. Finoguenov +19
The COnstrain Dark Energy with X-ray clusters (CODEX) sample contains the largest flux limited sample of X-ray clusters at . It was selected from ROSAT data in the…
The Cluster HEritage project with XMM-Newton: Mass Assembly and Thermodynamics at the Endpoint of structure formation. I. Programme overview
MATE Collaboration, M. Arnaud, S. Ettori +66
The Cluster HEritage project with XMM-Newton - Mass Assembly and Thermodynamics at the Endpoint of structure formation (CHEX-MATE) is a three mega-second Multi-Year Heritage Progra…
Multiwavelength classification of X-ray selected galaxy cluster candidates using convolutional neural networks
Matej Kosiba, Maggie Lieu, Bruno Altieri +15
Galaxy clusters appear as extended sources in XMM-Newton images, but not all extended sources are clusters. So, their proper classification requires visual inspection with optical…
Full-sky photon simulation of clusters and active galactic nuclei in the soft X-rays for eROSITA
Johan Comparat, Dominique Eckert, Alexis Finoguenov +25
The eROSITA X-ray telescope on board the Spectrum-Roentgen-Gamma (SRG) mission will measure the position and properties of about 100,000 clusters of galaxies and 3 million active g…
X-ray properties of X-CLASS-redMaPPer galaxy cluster sample: The luminosity-temperature relation
Mona Molham, Nicolas Clerc, Ali Takey +7
This paper presents results of a spectroscopic analysis of the X-CLASS-redMaPPer (XC1-RM) galaxy cluster sample. X-CLASS is a serendipitous search for clusters in the X-ray waveban…
Toward the low-scatter selection of X-ray clusters: Galaxy cluster detection with eROSITA through cluster outskirts
Florian Käfer, Alexis Finoguenov, Dominique Eckert +4
One key ingredient in using galaxy clusters (GCs) as a precision cosmological probe in large X-ray surveys is to understand selection effects. The dependence of the X-ray emission…
CODEX clusters. The Survey, the Catalog, and Cosmology of the X-ray Luminosity Function
A. Finoguenov, E. Rykoff, N. Clerc +17
Large area catalogs of galaxy clusters constructed from ROSAT All Sky Survey provide the base for our knowledge on the population of clusters thanks to the long-term multiwavelengt…