Dr. Arnab Sarkar

Diagnosing the Fe line complex of the intracluster medium by XRISM high-resolution spectroscopy

K. Fukushima, L. Hirata, N. Y. Yamasaki, P. Chakraborty, S. Dupourque, Y. Fujita, L. Gu, C. Kilbourne, K. Matsushita, F. Mernier, E. D. Miller, K. Nakazawa, Y. Omiya, N. Ota, A. Sarkar, K. Sato, M. Sun, Y. Uchida, I. Zhuravleva, H. Yamaguchi

arXiv e-prints, 2026 Aug, pp. arXiv:2608.08094

XRISM reveals sloshing-driven gas motions in the core of Abell 2029

Yuusuke Uchida, Yuna Saito, Naomi Ota, Erwin T. Lau, Ming Sun, Eric D. Miller, Tommaso Bartalesi, Stefano Ettori, Kotaro Fukushima, Caroline Kilbourne, Lorenzo Lovisari, Kyoko Matsushita, Brian R. McNamara, Arnab Sarkar, Kazunori Suda, Irina Zhuravleva

arXiv e-prints, 2026 Aug, pp. arXiv:2608.14415

High-statistics simulations of NewAthena WFI background using Geant4

Matthew K. Heine, Catherine E. Grant, Marshall W. Bautz, Beverly J. LaMarr, Eric D. Miller, Michael W. J. Hubbard, David Hall, Joan Requena, Emanuele Perinati, Steven W. Allen, Artem Poliszczuk, Dan Wilkins, Fabio Gastaldello, Silvano Molendi, Ralph P. Kraft, Gerrit Schellenberger, Arnab Sarkar

arXiv e-prints, 2026 Jul, pp. arXiv:2607.26163

XRISM Observations of A1795: Evidence for Low Turbulence and Resonant Scattering

Arnab Sarkar, Eric D. Miller, Brian McNamara, Helen Russell, Kotaro Fukushima, Mark Bautz, Yutaka Fujita, Catherine E. Grant, Francois Mernier, Michael A. McDonald, Naomi Ota, Aysegul Tumer, Daniel Wik

The Astrophysical Journal Letters, vol. 1005, 2026 Jul, pp. L73

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

Kazunori Suda, Kyoko Matsushita, Kosuke Sato, Kotaro Fukushima, Ming Sun, Caroline Kilbourne, John A. ZuHone, Edmund Hodges-Kluck, Shogo B. Kobayashi, Simon Dupourque, Daniel R. Wik, Priyanka Chakraborty, Arnab Sarkar, Marie Kondo, Itsuki Aihara, Eric D. Miller, Francois Mernier

arXiv e-prints, 2026 Jul, pp. arXiv:2607.06977

The SPT-deep Cluster Catalog: Sunyaev─Zel'dovich Selected Clusters from Combined SPT-3G and SPTpol Measurements over 100 Square Degrees

K. Kornoelje, L. E. Bleem, E. S. Rykoff, T. M. C. Abbott, P. A. R. Ade, M. Aguena, O. Alves, A. J. Anderson, F. Andrade-Oliveira, B. Ansarinejad, M. Archipley, M. L. N. Ashby, J. E. Austermann, D. Bacon, L. Balkenhol, Matthew B. Bayliss, J. A. Beall, K. Benabed, A. N. Bender, Arnab Sarkar, 176 more

The Astrophysical Journal, vol. 1004, 2026 Jun, p. 48

Science of High Resolution X-ray Imaging

H. L. Marshall, K. Weaver, M. Schattenburg, B. Binder, H. M. Gunther, S. J. Wolk, K. G. Stassun, S. J. Gunderson, R. Pandey, L. Valencic, P. Draghis, J. Hare, M. Balakrishnan, T. Boztepe, P. Gandhi, T. Holland-Ashford, T. Maccarone, M. Reynolds, M. Sobolewska, A. Sarkar, 17 more

arXiv e-prints, 2026 Jun, pp. arXiv:2606.28138

Gas rotation and turbulence in the galaxy cluster Abell 2029

T. Bartalesi, A. Simionescu, S. Ettori, C. Nipoti, V. Ghirardini, A. Sarkar, M. Sun

Astronomy \& Astrophysics, vol. 709, 2026 May, pp. A155

Metallicity Gradients in Modern Cosmological Simulations. II. The Role of Bursty versus Smooth Feedback at High Redshift

Alex M. Garcia, Paul Torrey, Aniket Bhagwat, Xuejian Shen, Mark Vogelsberger, William McClymont, Jaya Nagarajan-Swenson, Sophia G. Ridolfo, Peixin Zhu, Dhruv T. Zimmerman, Oliver Zier, Sarah Biddle, Arnab Sarkar, Priyanka Chakraborty, Ruby J. Wright, Kathryn Grasha, Tiago Costa, Laura Keating, Rahul Kannan, Aaron Smith, 5 more

The Astrophysical Journal, vol. 1001, 2026 Apr, p. 188

Are X-ray Atmospheres Heated by Turbulent Dissipation? XRISM Constraints

B. R. McNamara, A. C. Fabian, H. R. Russell, P. E. J. Nulsen, A. Simionescu, A. Majumder, E. D. Miller, A. Sarkar

arXiv e-prints, 2026 Apr, pp. arXiv:2604.19607

Brightest Cluster Galaxy ellipticity as proxy for halo shape: Orientation bias, assembly bias, and potential selection effects in SZ-selected clusters

Radhakrishnan Srinivasan, Tae-hyeon Shin, Anja von der Linden, Ricardo Herbonnet, Matthias Klein, Tamas N. Varga, Antonio Frigo, Lindsey E. Bleem, Hao-Yi Wu, Zhuowen Zhang, Benjamin Levine, Alex Alarcon, Alexandra Amon, Matthew B. Bayliss, Keith Bechtol, Matthew Becker, Gary Bernstein, Sebastian Bocquet, Andresa Campos, Arnab Sarkar, 76 more

arXiv e-prints, 2026 Mar, pp. arXiv:2603.23689

A Path to an All-Sky Survey with Roman

Jiwon Jesse Han, Anirudh Chiti, Kai-Feng Chen, Keith Bechtol, Andrea Bellini, Robert Benjamin, Adam Bolton, Ana Bonaca, Alex Broughton, Esra Bulbul, Susan Clark, Charlie Conroy, Suchetha Cooray, John Franklin Crenshaw, Tansu Daylan, Arjun Dey, Alex Drlica-Wagner, Tim Eifler, Kareem El-Badry, Arnab Sarkar, 76 more

arXiv e-prints, 2026 Feb, pp. arXiv:2602.21280

Deep Chandra Observations of the z = 1.16 Relaxed, Cool-core Galaxy Cluster SPT-CL J2215-3537

Haley R. Stueber, Adam B. Mantz, Steven W. Allen, Anthony M. Flores, R. Glenn Morris, Abigail Y. Pan, Taweewat Somboonpanyakul, Lindsey E. Bleem, Michael Calzadilla, Benjamin Floyd, Julie Hlavacek-Larrondo, Michael McDonald, Arnab Sarkar

The Astrophysical Journal, vol. 997, 2026 Feb, p. 320

Detection of new galaxy candidates at z > 11 in the JADES field using JWST NIRCam

Priyanka Chakraborty, Arnab Sarkar, Scott Wolk, Benjamin Schneider, Nancy Brickhouse, Kenneth Lanzetta, Adam Foster, Randall Smith

Monthly Notices of the Royal Astronomical Society, vol. 545, 2026 Jan, pp. staf2050

Unveiling Chemical Enrichment in the A2029 Core with XRISM, XMM-Newton, and Chandra

Arnab Sarkar, Eric D. Miller, Brian McNamara, Ming Sun, Richard Mushotzky, Stefano Ettori, Lorenzo Lovisari, Irina Zhuravleva, Naomi Ota

The Astrophysical Journal Letters, vol. 995, 2025 Dec, pp. L26

Comparing XRISM Cluster Velocity Dispersions with Predictions from Cosmological Simulations: Are Feedback Models Too Ejective?

{Xrism Collaboration}, Marc Audard, Hisamitsu Awaki, Ralf Ballhausen, Aya Bamba, Ehud Behar, Rozenn Boissay-Malaquin, Laura Brenneman, Gregory V. Brown, Lia Corrales, Elisa Costantini, Renata Cumbee, Maria Diaz Trigo, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Dominique Eckert, Satoshi Eguchi, Arnab Sarkar, 130 more

The Astrophysical Journal Letters, vol. 993, 2025 Nov, pp. L11

XRISM Constraints on Unidentified X-Ray Emission Lines, Including the 3.5 keV Line, in the Stacked Spectrum of 10 Galaxy Clusters

{Xrism Collaboration}, Marc Audard, Hisamitsu Awaki, Ralf Ballhausen, Aya Bamba, Ehud Behar, Rozenn Boissay-Malaquin, Laura Brenneman, Gregory V. Brown, Lia Corrales, Elisa Costantini, Renata Cumbee, Maria Diaz Trigo, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Dominique Eckert, Satoshi Eguchi, Arnab Sarkar, 133 more

The Astrophysical Journal Letters, vol. 994, 2025 Nov, pp. L28

The Advanced X-ray Imaging Satellite (AXIS) Community Science Book

Michael Koss, Nafisa Aftab, Steven W. Allen, Roberta Amato, Hongjun An, Igor Andreoni, Timo Anguita, Riccardo Arcodia, Thomas Ayres, Matteo Bachetti, Maria Cristina Baglio, Arash Bahramian, Marco Balboni, Ranieri D. Baldi, Solen Balman, Aya Bamba, Eduardo Banados, Tong Bao, Iacopo Bartalucci, Arnab Sarkar, 378 more

arXiv e-prints, 2025 Oct, pp. arXiv:2511.00253

XRISM reveals complex multi-temperature structures in the Abell 2029 galaxy cluster

Arnab Sarkar, Eric Miller, Naomi Ota, Caroline Kilbourne, Brian McNamara, Ming Sun, Lorenzo Lovisari, Stefano Ettori, Dominique Eckert, Andrew Szymkowiak, Tommaso Bartalesi, Michael Loewenstein

Publications of the Astronomical Society of Japan, vol. 77, 2025 Sep, pp. S254-S269

Constraining gas motion and non-thermal pressure beyond the core of the Abell 2029 galaxy cluster with XRISM

{Xrism Collaboration}, Marc Audard, Hisamitsu Awaki, Ralf Ballhausen, Aya Bamba, Ehud Behar, Rozenn Boissay-Malaquin, Laura Brenneman, Gregory V. Brown, Lia Corrales, Elisa Costantini, Renata Cumbee, Maria Diaz Trigo, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Dominique Eckert, Satoshi Eguchi, Arnab Sarkar, 120 more

Publications of the Astronomical Society of Japan, vol. 77, 2025 Sep, pp. S242-S253

Metallicity Gradients in Modern Cosmological Simulations. I. Tension between Smooth Stellar Feedback Models and Observations

Alex M. Garcia, Paul Torrey, Aniket Bhagwat, Ruby J. Wright, Qian-Hui Chen, Kathryn Grasha, Sophia Ridolfo, Z. S. Hemler, Arnab Sarkar, Priyanka Chakraborty, Erica J. Nelson, Ryan L. Sanders, Tiago Costa, Mark Vogelsberger, Lisa J. Kewley, Sara L. Ellison, Lars Hernquist

The Astrophysical Journal, vol. 989, 2025 Aug, p. 147

Cold Gas and Star Formation in the Phoenix Cluster with JWST

Michael Reefe, Michael McDonald, Marios Chatzikos, Jerome Seebeck, Richard Mushotzky, Sylvain Veilleux, Steven W. Allen, Matthew Bayliss, Michael Calzadilla, Rebecca Canning, Megan Donahue, Benjamin Floyd, Massimo Gaspari, Julie Hlavacek-Larrondo, Brian McNamara, Helen Russell, Arnab Sarkar, Keren Sharon, Taweewat Somboonpanyakul

The Astrophysical Journal, vol. 989, 2025 Aug, p. 156

SZ─X-Ray Surface Brightness Fluctuations in the SPT-XMM Clusters

Charles E. Romero, Massimo Gaspari, Gerrit Schellenberger, Bradford A. Benson, Lindsey E. Bleem, Esra Bulbul, William Forman, Ralph Kraft, Paul Nulsen, Christian L. Reichardt, Arnab Sarkar, Taweewat Somboonpanyakul, Yuanyuan Su

The Astrophysical Journal, vol. 985, 2025 Jun, p. 248

Unveiling the Cosmic Chemistry. II. "Direct'' Te-based Metallicity of Galaxies at 3 < z < 10 with JWST/NIRSpec

Priyanka Chakraborty, Arnab Sarkar, Randall Smith, Gary J. Ferland, Michael McDonald, William Forman, Mark Vogelsberger, Paul Torrey, Alex M. Garcia, Mark Bautz, Adam Foster, Eric Miller, Catherine Grant

The Astrophysical Journal, vol. 985, 2025 May, p. 24

Constraints on Nonthermal Pressure at Galaxy Cluster Outskirts from a Joint SPT and XMM-Newton Analysis

Arnab Sarkar, Michael McDonald, Lindsey Bleem, Mark Bautz, Bradford A. Benson, Priyanka Chakraborty, Catherine E. Grant, Christine Jones, Florian Keruzore, Eric D. Miller, Scott Randall, Charles Romero, Taweewat Somboonpanyakul, Yuanyuan Su

The Astrophysical Journal Letters, vol. 984, 2025 May, pp. L63

Multiprobe cosmology from the abundance of SPT clusters and DES galaxy clustering and weak lensing

S. Bocquet, S. Grandis, E. Krause, C. To, L. E. Bleem, M. Klein, J. J. Mohr, T. Schrabback, A. Alarcon, O. Alves, A. Amon, F. Andrade-Oliveira, E. J. Baxter, K. Bechtol, M. R. Becker, G. M. Bernstein, J. Blazek, H. Camacho, A. Campos, A. Sarkar, 199 more

Physical Review D, vol. 111, 2025 Mar, p. 063533

Multifrequency Radio Observations of the Dissociative Cluster Merger CIZA J0107.7+5408

Emma Schwartzman, Tracy E. Clarke, Simona Giacintucci, Wendy Peters, Scott W. Randall, Reinout J. van Weeren, Arnab Sarkar, Lawrence Rudnick, Elizabeth L. Blanton, Kyle Finner, Tony Mroczkowski, Paul Nulsen

The Astrophysical Journal, vol. 981, 2025 Mar, p. 184

XRISM Reveals Low Nonthermal Pressure in the Core of the Hot, Relaxed Galaxy Cluster A2029

{Xrism Collaboration}, Marc Audard, Hisamitsu Awaki, Ralf Ballhausen, Aya Bamba, Ehud Behar, Rozenn Boissay-Malaquin, Laura Brenneman, Gregory V. Brown, Lia Corrales, Elisa Costantini, Renata Cumbee, Maria Diaz Trigo, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Dominique Eckert, Satoshi Eguchi, Arnab Sarkar, 119 more

The Astrophysical Journal Letters, vol. 982, 2025 Mar, pp. L5

Strong-lensing Analysis of SPT-CL J2325-4111 and SPT-CL J0049-2440, Two Powerful Cosmic Telescopes (RE > 40″) from the SPT Clusters Sample

Guillaume Mahler, Keren Sharon, Matthew Bayliss, Lindsey. E. Bleem, Mark Brodwin, Benjamin Floyd, Raven Gassis, Michael D. Gladders, Gourav Khullar, Juan D. Remolina Gonzalez, Arnab Sarkar

The Astrophysical Journal, vol. 980, 2025 Feb, p. 48

X-ray and optical analysis of the distant merging double cluster SPT-CLJ2228-5828, its gas bridge, and its shock front

K. Migkas, M. W. Sommer, T. Schrabback, E. R. Carrasco, A. Zenteno, H. Zohren, L. E. Bleem, V. Nazaretyan, M. Bayliss, E. Bulbul, B. Floyd, R. Gassis, S. Grandis, M. McDonald, F. Pacaud, C. Reichardt, A. Sarkar, K. Sharon, T. Somboonpanyakul

Astronomy \& Astrophysics, vol. 694, 2025 Feb, pp. A45

Constraints on f(R) gravity from thermal-Sunyaev-Zel'dovich-effect-selected SPT galaxy clusters and weak lensing mass calibration from DES and HST

S. M. L. Vogt, S. Bocquet, C. T. Davies, J. J. Mohr, F. Schmidt, C.-Z. Ruan, B. Li, C. Hernandez-Aguayo, S. Grandis, L. E. Bleem, M. Klein, T. Schrabback, M. Aguena, D. Brooks, D. L. Burke, A. Campos, A. Carnero Rosell, J. Carretero, M. Costanzi, A. Sarkar, 36 more

Physical Review D, vol. 111, 2025 Feb, p. 043519

Unveiling the Cosmic Chemistry: Revisiting the Mass─Metallicity Relation with JWST/NIRSpec at 4 < z < 10

Arnab Sarkar, Priyanka Chakraborty, Mark Vogelsberger, Michael McDonald, Paul Torrey, Alex M. Garcia, Gourav Khullar, Gary J. Ferland, William Forman, Scott Wolk, Benjamin Schneider, Mark Bautz, Eric Miller, Catherine Grant, John ZuHone

The Astrophysical Journal, vol. 978, 2025 Jan, p. 136

Using the XMM-Newton small window mode to investigate systematic uncertainties in the particle background of X-ray charge-coupled device detectors

Gerrit Schellenberger, Ralph Kraft, Paul Nulsen, Eric D. Miller, Marshall W. Bautz, Catherine E. Grant, Dan Wilkins, Steven Allen, Silvano Molendi, David N. Burrows, Abraham D. Falcone, Valentina Fioretti, Richard F. Foster, David Hall, Michael W. J. Hubbard, Emanuele Perinati, Artem Poliszczuk, Arne Rau, Arnab Sarkar, Benjamin Schneider

Journal of Astronomical Telescopes, Instruments, and Systems, vol. 11, 2025 Jan, p. 018006

The Line Emission Mapper (LEM) probe mission concept

R. Kraft, A. Bogdan, J. ZuHone, J. S. Adams, J. D. Alvarado-Gomez, C. Argiroffi, M. Ayromlou, M. Azadi, S. R. Bandler, M. Barbera, A. Bhardwaj, V. Biffi, D. Bodewits, E. Boettcher, B. Branham, J. N. Burchett, D. J. Burke, J. Cann, J. A. Carter, A. Sarkar, 112 more

Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series, Jan-Willem A. den Herder, Shouleh Nikzad, Kazuhiro Nakazawa, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray, vol. 13093, 2024 Aug, p. 1309327

Physics of 1 keV line in X-ray binaries

Priyanka Chakraborty, Gary Ferland, Andrew Fabian, Arnab Sarkar, Renee Ludlam, Stefano Bianchi, Hayden Hall, Peter Kosec

arXiv e-prints, 2024 Jul, pp. arXiv:2407.02360

Advancing Precision Particle Background Estimation for Future X-Ray Missions: Correlated Variability between the Alpha Magnetic Spectrometer and Chandra/XMM-Newton

Arnab Sarkar, Catherine E. Grant, Eric D. Miller, Mark Bautz, Benjamin Schneider, Rick F. Foster, Gerrit Schellenberger, Steven Allen, Ralph P. Kraft, Dan Wilkins, Abe Falcone, Andrew Ptak

The Astrophysical Journal, vol. 970, 2024 Jul, p. 22

Mapping the Imprints of Stellar and Active Galactic Nucleus Feedback in the Circumgalactic Medium with X-Ray Microcalorimeters

Gerrit Schellenberger, Akos Bogdan, John A. ZuHone, Benjamin D. Oppenheimer, Nhut Truong, Ildar Khabibullin, Fred Jennings, Annalisa Pillepich, Joseph Burchett, Christopher Carr, Priyanka Chakraborty, Robert Crain, William Forman, Christine Jones, Caroline A. Kilbourne, Ralph P. Kraft, Maxim Markevitch, Daisuke Nagai, Dylan Nelson, Arnab Sarkar, 7 more

The Astrophysical Journal, vol. 969, 2024 Jul, p. 85

Mapping the intracluster medium in the era of high-resolution X-ray spectroscopy

Congyao Zhang, Irina Zhuravleva, Maxim Markevitch, John ZuHone, Francois Mernier, Veronica Biffi, Akos Bogdan, Priyanka Chakraborty, Eugene Churazov, Klaus Dolag, Stefano Ettori, William R. Forman, Lars Hernquist, Christine Jones, Ildar Khabibullin, Caroline Kilbourne, Ralph Kraft, Erwin T. Lau, Sheng-Chieh Lin, Arnab Sarkar, 8 more

Monthly Notices of the Royal Astronomical Society, vol. 530, 2024 Jun, pp. 4234-4255

Investigating the Impact of Atomic Data Uncertainties on the Measured Physical Parameters of the Perseus Galaxy Cluster

Priyanka Chakraborty, Rachel Hemmer, Adam R. Foster, John Raymond, Arnab Sarkar, Randall Smith, Nancy Brickhouse

The Astrophysical Journal, vol. 962, 2024 Feb, p. 192

On the Particle Acceleration Mechanisms in a Double Radio Relic Galaxy Cluster, Abell 1240

Arnab Sarkar, Felipe Andrade-Santos, Reinout J. van Weeren, Ralph P. Kraft, Duy N. Hoang, Timothy W. Shimwell, Paul Nulsen, William Foreman, Scott Randall, Yuanyuan Su, Priyanka Chakraborty, Christine Jones, Eric Miller, Mark Bautz, Catherine E. Grant

The Astrophysical Journal, vol. 962, 2024 Feb, p. 161

The 2023 Release of Cloudy

M. Chatzikos, S. Bianchi, F. Camilloni, P. Chakraborty, C. M. Gunasekera, F. Guzman, J. S. Milby, A. Sarkar, G. Shaw, P. A. M. van Hoof, G. J. Ferland

Revista Mexicana de Astronomía y Astrofísica, vol. 59, 2023 Oct, pp. 327-343

Exploring chemical enrichment of the intracluster medium with the Line Emission Mapper

Francois Mernier, Yuanyuan Su, Maxim Markevitch, Congyao Zhang, Aurora Simionescu, Elena Rasia, Sheng-Chieh Lin, Irina Zhuravleva, Arnab Sarkar, Ralph P. Kraft, Anna Ogorzalek, Mohammadreza Ayromlou, William R. Forman, Christine Jones, Joel N. Bregman, Stefano Ettori, Klaus Dolag, Veronica Biffi, Eugene Churazov, Ming Sun, 10 more

arXiv e-prints, 2023 Oct, pp. arXiv:2310.04499

Reduction of cosmic-ray induced background in astronomical x-ray imaging detectors via image segmentation methods

Artem Poliszczuk, Dan Wilkins, Steven W. Allen, Eric Miller, Tanmoy Chattopadhyay, Marshall Bautz, Julien Eric Darve, Richard Foster, Catherine E. Grant, Sven Herrmann, Ralph Kraft, R. Glenn Morris, Peter Orel, Arnab Sarkar, Benjamin Schneider

Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series, Michael E. Zelinski, Tarek M. Taha, Barath Narayanan Narayanan, Applications of Machine Learning 2023, vol. 12675, 2023 Oct, pp. 126750C

X-ray metal line emission from the hot circumgalactic medium: probing the effects of supermassive black hole feedback

Nhut Truong, Annalisa Pillepich, Dylan Nelson, Akos Bogdan, Gerrit Schellenberger, Priyanka Chakraborty, William R. Forman, Ralph Kraft, Maxim Markevitch, Anna Ogorzalek, Benjamin D. Oppenheimer, Arnab Sarkar, Sylvain Veilleux, Mark Vogelsberger, Q. Daniel Wang, Norbert Werner, Irina Zhuravleva, John Zuhone

Monthly Notices of the Royal Astronomical Society, vol. 525, 2023 Oct, pp. 1976-1997

CHANDRA X-Ray Observations of A119: Cold Fronts and a Shock in an Evolved Off-axis Merger

Courtney B. Watson, Elizabeth L. Blanton, Scott W. Randall, Craig L. Sarazin, Arnab Sarkar, John A. ZuHone, E. M. Douglass

The Astrophysical Journal, vol. 955, 2023 Oct, p. 103

Circumgalactic Medium on the Largest Scales: Detecting X-Ray Absorption Lines with Large-area Microcalorimeters

Akos Bogdan, Ildar Khabibullin, Orsolya E. Kovacs, Gerrit Schellenberger, John ZuHone, Joseph N. Burchett, Klaus Dolag, Eugene Churazov, William R. Forman, Christine Jones, Caroline Kilbourne, Ralph P. Kraft, Erwin Lau, Maxim Markevitch, Dan McCammon, Daisuke Nagai, Dylan Nelson, Anna Ogorzalek, Benjamin D. Oppenheimer, Arnab Sarkar, 5 more

The Astrophysical Journal, vol. 953, 2023 Aug, p. 42

Resonant scattering of the O VII X-ray emission line in the circumgalactic medium of TNG50 galaxies

Dylan Nelson, Chris Byrohl, Anna Ogorzalek, Maxim Markevitch, Ildar Khabibullin, Eugene Churazov, Irina Zhuravleva, Akos Bogdan, Priyanka Chakraborty, Caroline Kilbourne, Ralph Kraft, Annalisa Pillepich, Arnab Sarkar, Gerrit Schellenberger, Yuanyuan Su, Nhut Truong, Stephan Vladutescu-Zopp, Nastasha Wijers

Monthly Notices of the Royal Astronomical Society, vol. 522, 2023 Jul, pp. 3665-3678

NANCY: Next-generation All-sky Near-infrared Community surveY

Jiwon Jesse Han, Arjun Dey, Adrian M. Price-Whelan, Joan Najita, Edward F. Schlafly, Andrew Saydjari, Risa H. Wechsler, Ana Bonaca, David J Schlegel, Charlie Conroy, Anand Raichoor, Alex Drlica-Wagner, Juna A. Kollmeier, Sergey E. Koposov, Gurtina Besla, Hans-Walter Rix, Alyssa Goodman, Douglas Finkbeiner, Abhijeet Anand, Arnab Sarkar, 189 more

arXiv e-prints, 2023 Jun, pp. arXiv:2306.11784

Gas Sloshing and Cold Fronts in Pre-merging Galaxy Cluster A98

Arnab Sarkar, Scott Randall, Yuanyuan Su, Gabriella E. Alvarez, Craig L. Sarazin, Christine Jones, Elizabeth Blanton, Paul Nulsen, Priyanka Chakraborty, Esra Bulbul, John Zuhone, Felipe Andrade-Santos, Ryan E. Johnson

The Astrophysical Journal, vol. 944, 2023 Feb, p. 132

Line Emission Mapper (LEM): Probing the physics of cosmic ecosystems

Ralph Kraft, Maxim Markevitch, Caroline Kilbourne, Joseph S. Adams, Hiroki Akamatsu, Mohammadreza Ayromlou, Simon R. Bandler, Marco Barbera, Douglas A. Bennett, Anil Bhardwaj, Veronica Biffi, Dennis Bodewits, Akos Bogdan, Massimiliano Bonamente, Stefano Borgani, Graziella Branduardi-Raymont, Joel N. Bregman, Joseph N. Burchett, Jenna Cann, Arnab Sarkar, 90 more

arXiv e-prints, 2022 Nov, pp. arXiv:2211.09827

Suzaku Observations of the Cluster Outskirts and Intercluster Filament in the Triple Merger Cluster A98

Gabriella E. Alvarez, Scott W. Randall, Yuanyuan Su, Arnab Sarkar, Stephen Walker, Nicholas P. Lee, Craig L. Sarazin, Elizabeth Blanton

The Astrophysical Journal, vol. 938, 2022 Oct, p. 51

Chemical abundances in the outskirts of nearby galaxy groups measured with joint Suzaku and Chandra observations

Arnab Sarkar, Yuanyuan Su, Nhut Truong, Scott Randall, Francois Mernier, Fabio Gastaldello, Veronica Biffi, Ralph Kraft

Monthly Notices of the Royal Astronomical Society, vol. 516, 2022 Oct, pp. 3068-3081

Understanding the Physics of Galaxy Clusters Out to Their Virial Radii and Beyond

Arnab Sarkar

University of Kentucky, 2022 Sep

Discovery of a Premerger Shock in an Intercluster Filament in Abell 98

Arnab Sarkar, Scott Randall, Yuanyuan Su, Gabriella E. Alvarez, Craig Sarazin, Paul Nulsen, Elizabeth Blanton, William Forman, Christine Jones, Esra Bulbul, John Zuhone, Felipe Andrade-Santos, Ryan E. Johnson, Priyanka Chakraborty

The Astrophysical Journal Letters, vol. 935, 2022 Aug, pp. L23

Joint Suzaku and Chandra observations of the MKW4 galaxy group out to the virial radius

Arnab Sarkar, Yuanyuan Su, Scott Randall, Fabio Gastaldello, Isabella Trierweiler, Raymond White, Ralph Kraft, Eric Miller

Monthly Notices of the Royal Astronomical Society, vol. 501, 2021 Mar, pp. 3767-3780

Improved Fe II Emission-line Models for AGNs Using New Atomic Data Sets

A. Sarkar, G. J. Ferland, M. Chatzikos, F. Guzman, P. A. M. van Hoof, R. T. Smyth, C. A. Ramsbottom, F. P. Keenan, C. P. Ballance

The Astrophysical Journal, vol. 907, 2021 Jan, p. 12

On the Star Formation Efficiency in High-redshift Lya Emitters

Arnab Sarkar, Saumyadip Samui

Publications of the Astronomical Society of the Pacific, vol. 131, 2019 Jul, p. 074101