activity
20172026
most citedThe SRG/eROSITA all-sky survey: First X-ray catalogues and data release of the western Galactic hemisphere

371 citations · 1.1k across the 39 of their papers we have counts for

collaborators

39 papers

astro-ph.HE2026

Thermal or Non-thermal? Diffuse emission in the infall region of stacked galaxy groups

E. Bulbul, X. Zhang, Z. Ding +16

The faint infall regions surrounding the virial radius of galaxy groups remain largely unexplored due to their low X-ray surface brightness. Using the large statistical power of SR…

astro-ph.CO2026

CHEX-MATE: Are we getting cluster thermodynamics right?

R. Seppi, D. Eckert, E. Rasia +19

Galaxy clusters offer powerful insights into the large-scale structure of the Universe and the physics of baryons in hot state. Their scientific exploitation, however, hinges on ou…

astro-ph.CO2026

The SRG/eROSITA all-sky survey: The morphologies of clusters of galaxies: II. The intrinsic distributions of morphological parameters

J. S. Sanders, Y. E. Bahar, E. Bulbul +11

X-ray selected surveys of clusters of galaxies have been reported to contain more regular cool core clusters compared to samples selected using the Sunyaev-Zel'dovich (SZ) effect.…

astro-ph.CO2025★ 3 cited

The impact of strong feedback on galaxy group scaling relations

D. Eckert, R. Seppi, J. Braspenning +16

Feedback from active supermassive black holes alters the distribution of matter in the Universe by injecting energy in the neighbouring hot gaseous medium, which leads to ejection…

astro-ph.CO2025

The SRG/eROSITA all-sky survey: X-ray scaling relations of galaxy groups and clusters in the western Galactic hemisphere

M. E. Ramos-Ceja, L. Fiorino, E. Bulbul +19

The soft X-ray telescope on board the SRG mission, eROSITA, has produced the largest sample to date of galaxy groups and clusters detected via their intracluster and intragroup med…

astro-ph.CO2025★ 1 cited

The life of central radio galaxies in clusters: AGN-ICM studies of eRASS1 clusters in the ASKAP fields

Angie Veronica, Thomas H. Reiprich, Florian Pacaud +35

The mechanical feedback from the central AGNs can be crucial for balancing the radiative cooling of the intracluster medium at the cluster centre. We aim to understand the relation…

astro-ph.CO2025★ 1 cited

The SRG/eROSITA All-Sky Survey. Detection of shock-heated gas beyond the halo boundary into the accretion region

X. Zhang, E. Bulbul, B. Diemer +16

The hot gas in the outskirts of galaxy cluster-sized halos, extending around and beyond the virial radius into nearby accretion regions, remains among one of the least explored bar…

astro-ph.CO2025★ 18 cited

eROSITA clusters dynamical state and their impact on the BCG luminosity

A. Zenteno, M. Kluge, R. Kharkrang +30

The Spectrum Roentgen Gamma/eROSITA first public release contains 12,247 clusters and groups. We use the offset between the Brightest Cluster Galaxy (BCG) and the X--ray peak (D$_{…

astro-ph.CO2025★ 10 cited

The SRG/eROSITA all-sky survey: The morphologies of clusters of galaxies I: A catalogue of morphological parameters

J. S. Sanders, Y. E. Bahar, E. Bulbul +10

The first SRG/eROSITA all-sky X-ray survey, eRASS1, resulted in a catalogue of over twelve thousand optically-confirmed galaxy groups and clusters in the western Galactic hemispher…

astro-ph.GA2025★ 4 cited

The First SRG/eROSITA All-Sky Survey. Characterization of clusters of galaxies misclassified in the eRASS1 point source catalog

F. Balzer, E. Bulbul, M. Kluge +20

The detection of the extended X-ray-emission of the intracluster medium by the first SRG/eROSITA All-Sky Survey (eRASS1), combined with optical and near-infrared follow-up, resulte…

astro-ph.CO2024★ 1 cited

Gas thermodynamics meets galaxy kinematics: Joint mass measurements for eROSITA galaxy clusters

Pengfei Li, Ang Liu, Matthias Kluge +13

The mass of galaxy clusters is a critical quantity for probing cluster cosmology and testing theories of gravity, but its measurement could be biased given assumptions are inevitab…

astro-ph.CO2024★ 17 cited

The SRG/eROSITA All-Sky Survey : Constraints on the structure growth from cluster number counts

E. Artis, E. Bulbul, S. Grandis +29

Beyond testing the current cosmological paradigm, cluster number counts can also be utilized to investigate the discrepancies currently affecting current cosmological measurements.…

astro-ph.HE2024★ 12 cited

The SRG/eROSITA all-sky survey. X-ray emission from the warm-hot phase gas in long cosmic filaments

X. Zhang, E. Bulbul, N. Malavasi +24

The properties of the warm-hot intergalactic medium (WHIM) in cosmic filaments are among the least quantified units in modern astrophysics. The Spectrum Roentgen Gamma/eROSITA All…

astro-ph.CO2024★ 4 cited

The SRG/eROSITA All-Sky Survey: Exploring halo assembly bias with X-ray selected superclusters

A. Liu, E. Bulbul, T. Shin +15

We explore halo assembly bias on cluster scales using large samples of superclusters. Leveraging the largest-ever X-ray galaxy cluster and supercluster samples obtained from the fi…

astro-ph.GA2024★ 1 cited

The Galaxy Group Merger Origin of the Cloverleaf Odd Radio Circle System

E. Bulbul, X. Zhang, M. Kluge +14

Odd radio circles (ORCs) are a newly discovered class of extended faint radio sources of unknown origin. We report the first detection of diffuse X-ray gas at the location of a low…

astro-ph.CO2024

The SRG/eROSITA All-Sky Survey: Tracing the Large-Scale Structure with a clustering study of galaxy clusters

R. Seppi, J. Comparat, V. Ghirardini +16

The spatial distribution of galaxy clusters provides a reliable tracer of the large-scale distribution of matter in the Universe. The clustering signal depends on intrinsic cluster…

astro-ph.CO2024★ 17 cited

The SRG-eROSITA All-Sky Survey : Constraints on f(R) Gravity from Cluster Abundance

E. Artis, V. Ghirardini, E. Bulbul +28

The evolution of the cluster mass function traces the growth of the linear density perturbations and can be utilized for constraining the parameters of cosmological and alternative…

astro-ph.CO2024

The SRG/eROSITA All-Sky Survey: X-ray selection function models for the eRASS1 galaxy cluster cosmology

N. Clerc, J. Comparat, R. Seppi +17

Characterising galaxy cluster populations from catalog of sources selected in astronomical surveys requires knowledge of sample incompleteness, known as selection function. The fir…

astro-ph.CO2024★ 45 cited

The SRG/eROSITA All-Sky Survey: Dark Energy Survey Year 3 Weak Gravitational Lensing by eRASS1 selected Galaxy Clusters

S. Grandis, V. Ghirardini, S. Bocquet +119

Number counts of galaxy clusters across redshift are a powerful cosmological probe, if a precise and accurate reconstruction of the underlying mass distribution is performed -- a c…

astro-ph.CO2024★ 2 cited

The SRG/eROSITA All-Sky Survey: First catalog of superclusters in the western Galactic hemisphere

A. Liu, E. Bulbul, M. Kluge +21

Superclusters of galaxies mark the large-scale overdense regions in the Universe. Superclusters provide an ideal environment to study structure formation and to search for the emis…

astro-ph.CO2024★ 5 cited

The SRG/eROSITA All-Sky Survey: The first catalog of galaxy clusters and groups in the Western Galactic Hemisphere

E. Bulbul, A. Liu, M. Kluge +31

Clusters of galaxies can be used as powerful probes to study astrophysical processes on large scales, test theories of the growth of structure, and constrain cosmological models. T…

astro-ph.CO2024★ 116 cited

The SRG/eROSITA all-sky survey: Cosmology constraints from cluster abundances in the western Galactic hemisphere

V. Ghirardini, E. Bulbul, E. Artis +46

The cluster mass function traces the growth of linear density perturbations and provides valuable insights into the growth of structures, the nature of dark matter, and the cosmolo…

astro-ph.CO2024★ 1 cited

The SRG/eROSITA All-Sky Survey. Optical identification and properties of galaxy clusters and groups in the western galactic hemisphere

M. Kluge, J. Comparat, A. Liu +29

The first SRG/eROSITA All-Sky Survey (eRASS1) provides the largest intracluster medium-selected galaxy cluster and group catalog covering the western galactic hemisphere. Compared…

astro-ph.HE2024★ 371 cited

The SRG/eROSITA all-sky survey: First X-ray catalogues and data release of the western Galactic hemisphere

A. Merloni, G. Lamer, T. Liu +142

The eROSITA telescope array aboard the Spektrum Roentgen Gamma (SRG) satellite began surveying the sky in December 2019, with the aim of producing all-sky X-ray source lists and sk…