Arnab Sarkar

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University of Arkansas

Also affiliated: Vassar College (2025); Indian Institute of Science Education and Research Kolkata (2020); University of Trieste (2025); University of Kentucky (2019–2023); Presidency University (2019); Istituto Nazionale di Fisica Nucleare (2025); University of Cambridge (2022–2025); Leibniz Institute for Astrophysics Potsdam (2024); Trieste Astronomical Observatory (2024–2025); Institute of Astronomy (2023–2024); Center for Astrophysics Harvard & Smithsonian (2022–2023); Istituto Nazionale di Fisica Nucleare, Sezione di Trieste (2025); Institute for Fundamental Physics of the Universe (2025); Fondazione ICSC Centro Nazionale di Ricerca in High Performance Computing, Big Data e Quantum Computing (2025); Weizmann Institute of Science (2024); Massachusetts Institute of Technology (2023–2026); National Institute for Astrophysics (2024)

15 h-index 84 pubs 836 cited

Research Areas

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ORCID Research Group

OverviewAI-generated summary

Arnab Sarkar's research focuses on astrophysical phenomena, particularly the study of galaxy clusters and the intergalactic medium. His work utilizes data from advanced observatories like XRISM and JWST to investigate the physical conditions and chemical composition of cosmic ecosystems. Recent publications examine the low nonthermal pressure in the core of galaxy cluster A2029, the mass-metallicity relation in early galaxies, and the X-ray emission from the circumgalactic medium as a probe of supermassive black hole feedback.

Sarkar also investigates chemical abundances in galaxy groups using joint Suzaku and Chandra observations and has published on the discovery of a premerger shock in an intercluster filament. His scholarship metrics include an h-index of 13, with 67 total publications and 694 total citations. He collaborates with Priyanka Chakraborty at the University of Arkansas at Fayetteville, with whom he has co-authored 25 publications.

Metrics

h-index: 15
Publications: 84
Citations: 836

Selected Publications

XRISM Reveals a Kinematically Coherent Core System of the Nearby Cool-Core Cluster Abell 2199 (2026)

arXiv (Cornell University) OpenAlex
XRISM Observations of A1795: Evidence for Low Turbulence and Resonant Scattering (2026)

The Astrophysical Journal Letters DOI OpenAlex
High-statistics simulations of NewAthena WFI background using Geant4 (2026)

DOI OpenAlex
XRISM Observations of Abell 1795: Evidence for Low Turbulence and Resonant Scattering (2026)

arXiv (Cornell University) OpenAlex
Gas rotation and turbulence in the galaxy cluster Abell 2029 (2026)

Astronomy and Astrophysics DOI OpenAlex
Metallicity Gradients in Modern Cosmological Simulations. II. The Role of Bursty versus Smooth Feedback at High Redshift (2026)

The Astrophysical Journal 2 citations DOI OpenAlex
Detection of new galaxy candidates at z > 11 in the JADES field using JWST NIRCam (2025)

Monthly Notices of the Royal Astronomical Society DOI OpenAlex