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20242026
most citedThe SRG/eROSITA all-sky survey: Cosmology constraints from cluster abundances in the western Galactic hemisphere

116 citations · 200 across the 17 of their papers we have counts for

collaborators

17 papers

astro-ph.CO2026

The SRG/eROSITA All-Sky Survey: Early dark energy and Hubble constant from the cluster mass function

J. Strunk, E. Artis, E. Bulbul +23

The evolution of the mass function of massive galaxy clusters is a well-established probe of cosmology. Using the eROSITA X-ray instrument on board the Spectrum Roentgen Gamma (SRG…

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.HE2026

The SRG/eROSITA All-Sky Survey DR2: Cumulative X-ray catalogues from the first three surveys and multi-wavelength counterparts in the western Galactic hemisphere

M. E. Ramos-Ceja, G. Lamer, M. Salvato +111

The eROSITA telescope array on board the Spektrum-Roentgen-Gamma (SRG) mission began its all-sky survey program in December 2019, scanning the sky at an approximately six-month cad…

astro-ph.CO2026

Simulation-Based Inference for Cluster Cosmology with Set-Based Neural Network Architectures

S. Zelmer, E. Bulbul, K. Lehman +18

The unprecedented statistical power of galaxy cluster catalogs from the SRG (Spectrum Roentgen Gamma)/eROSITA All-Sky Survey provides a unique opportunity to place stringent constr…

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 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.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★ 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★ 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★ 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.CO2024★ 20 cited

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…