PG
Puragra Guhathakurta
astro-ph.GAastro-phastro-ph.COastro-ph.SRastro-ph.IMastro-ph.HEstat.APastro-ph.EPhep-th
On Valency
published · living versionsW_k32ev6em·v1 · currentpublished
Maximizing Science in the Era of LSST: A Community-Based Study of Needed US Capabilities
with Joan Najita, Beth Willman, Douglas P. Finkbeiner, Ryan J. Foley +46
1 version
W_ksvntnwg·v1published
W_8v2wnrnw·v1published
W_9ht9ahxh·v1published
W_w4gfrpzf·v1published
W_wwrn46fe·v1published
Preprints & journals
236 papers in the corpus · 1990–2026The Next Generation Virgo Cluster Survey (NGVS). XXIX. Demography of Nuclear Star Clusters2610.25527v1 · Max M. Kurzner, Patrick Cot'e, Laura Ferrarese et al.2026 · 0 citationsarXivon Valency
Optical Spectroscopy of a Candidate O-Star X-ray Binary in M332609.16174v1 · Margaret Lazzarini, Lara Cullinane, Karoline Gilbert et al.2026 · 0 citationsarXiv
The Next Generation Virgo Cluster Survey (NGVS). II. A Catalog of Galaxies in the Virgo Cluster2607.18414v1 · Laura Ferrarese, Patrick Cote, Lauren A. MacArthur et al.2026 · 0 citationsarXiv
The Importance of Galaxy-Wide Star Formation in Driving Winds at z~12606.10116v1 · Weichen Wang, Susan A. Kassin, S. M. Faber et al.2026 · 0 citationsarXiv
Weak-CN Stars Are Ordinary Cool Red Supergiants2605.30733v1 · Yuan-Sen Ting, Puragra Guhathakurta, Douglas Grion Filho et al.2026 · 0 citationsarXiv
Hubble Astrometry for the Local Group and Beyond in the 2030s2605.24191v1 · S. Tony Sohn, Paul Bennet, Kevin Andrew McKinnon et al.2026 · 0 citationsarXiv
Probing the IMF in the Early Universe -- Direct measurements in the Boötes I UFD with JWST/NIRCam2605.15069v2 · Keyi Ding, Mario Gennaro, Roberto J. Avila et al.2026 · 0 citationsKeyi Ding et al 2026 ApJ 1009 94
The Panchromatic Hubble Andromeda Southern Treasury (PHAST). II. The Spatially Resolved Recent Star Formation History in M312605.12721v1 · Tobin M. Wainer, Benjamin F. Williams, Zhuo Chen et al.2026 · 0 citationsTobin M. Wainer et al 2026 ApJ 1006 195
Radial Velocity Orbital Solutions for Candidate Black Hole and Neutron Star Binary Systems in the Gaia Data Release 3 Catalog2603.20371v2 · Joshua D. Simon, Casey Y. Lam, Kareem El-Badry et al.2026 · 0 citationsAstrophys.J.1007:160,2026
Unveiling Massive Main-Sequence Stars in Sextans A through Panchromatic Photometry2603.11215v1 · Maude Gull, Daniel R. Weisz, Yumi Choi et al.2026 · 0 citationsarXiv
Kinematics of Distant Milky Way Halo RR Lyrae Stars out to 160 kpc2512.09795v1 · Yuting Feng, Puragra Guhathakurta, Eric W. Peng et al.2025 · 3 citationsarXiv
The Next Generation Virgo Cluster Survey (NGVS). XL. The Morphological Classification of Virgo Cluster Galaxies2510.20944v2 · Max M. Kurzner, Patrick Cot'e, Laura Ferrarese et al.2025 · 1 citationarXiv
Wide binaries in an ultra-faint dwarf galaxy: discovery, population modeling, and a nail in the coffin of primordial black hole dark matter2509.04555v2 · Cheyanne Shariat, Kareem El-Badry, Mario Gennaro et al.2025 · 8 citationsarXiv
The Most Luminous Known Fast Blue Optical Transient AT 2024wpp: Unprecedented Evolution and Properties in the Ultraviolet to the Near-Infrared2509.00951v1 · Natalie LeBaron, Raffaella Margutti, Ryan Chornock et al.2025 · 8 citationsarXivon Valency
The Star Formation History and Evolution of the Ultra-Diffuse M81 Satellite F8D12507.13349v2 · Adam Smercina, Eric F. Bell, Benjamin F. Williams et al.2025 · 0 citationsarXiv
Constraining the Milky Way Halo Accretion History With Simulated Stellar Halos: Designing the HALO7D-X Survey2507.05239v1 · Miranda Apfel, Kevin A. McKinnon, Constance M. Rockosi et al.2025 · 1 citationarXiv
Project AMIGA: The Inner Circumgalactic Medium of Andromeda from Thick Disk to Halo2506.16573v1 · Nicolas Lehner, J. Christopher Howk, Lucy Collins et al.2025 · 5 citationsarXiv
Discovery of a Weak CN Spectral Absorption Feature in Red Supergiant Stars in the Andromeda (M31) and Triangulum (M33) Galaxies2504.04291v2 · Puragra Guhathakurta, Douglas Grion Filho, Antara R. Bhattacharya et al.2025 · 1 citationarXiv
Kinematical Modeling of the Resolved Stellar Outskirts of M32: Constraints on Tidal Stripping Scenarios2502.20594v2 · Ivanna Escala, Douglas Grion Filho, Puragra Guhathakurta et al.2025 · 3 citationsarXiv
The Hubble Space Telescope Survey of M31 Satellite Galaxies IV. Survey Overview and Lifetime Star Formation Histories2501.13152v1 · A. Savino, D. R. Weisz, A. E. Dolphin et al.2025 · 21 citationsarXiv
The Globular Cluster System of the Virgo Cluster Ultradiffuse Galaxy VCC 6152412.01730v1 · J. Christopher Mihos, Patrick R. Durrell, Elisa Toloba et al.2024 · 2 citationsarXiv
The Local Ultraviolet to Infrared Treasury I. Survey Overview of the Broadband Imaging2410.20454v2 · Karoline M. Gilbert, Yumi Choi, Martha L. Boyer et al.2024 · 4 citationsThe Astrophysical Journal Supplement Series, 2025, Volume 276, Issue 1, id.8, 33 pp
A Low Metallicity Massive Contact Binary Star System Candidate in WLM identified by Hubble and James Webb Space Telescope imaging2410.16393v2 · Maude Gull, Daniel R. Weisz, Kareem El-Badry et al.2024 · 1 citationApJ 986 25 (2025)
Variable Stars in M31 Stellar Clusters from the Panchromatic Hubble Andromeda Treasury2408.12765v1 · Richard Smith, Avi Patel, Monika D. Soraisam et al.2024 · 0 citationsarXiv
Triangulum IV: A Possible Ultra-Diffuse Satellite of M332407.07481v1 · Itsuki Ogami, Yutaka Komiyama, Masashi Chiba et al.2024 · 0 citationsarXiv
The Panchromatic Hubble Andromeda Treasury: Triangulum Extended Region (PHATTER). VI. The High-Mass Stellar Initial Mass Function of M332406.12129v1 · Tobin M. Wainer, Benjamin F. Williams, L. Clifton Johnson et al.2024 · 4 citationsarXiv
Detection of a Spatially Extended Stellar Population in M33: A Shallow Stellar Halo?2403.14234v2 · Itsuki Ogami, Yutaka Komiyama, Masashi Chiba et al.2024 · 5 citationsarXiv
Deep Hubble Space Telescope Photometry of LMC and Milky Way Ultra-Faint Dwarfs: A careful look into the magnitude-size relation2402.08731v1 · Hannah Richstein, Nitya Kallivayalil, Joshua D. Simon et al.2024 · 0 citationsarXiv
A neutron star candidate in a 2-year orbit2402.06722v2 · Kareem El-Badry, Joshua D. Simon, Henrique Reggiani et al.2024 · 25 citationsarXiv
The Next Generation Virgo Cluster Survey. XXXVII. Distant RR Lyrae Stars and the Milky Way Stellar Halo out to 300 kpc2402.05418v1 · Yuting Feng, Puragra Guhathakurta, Eric W. Peng et al.2024 · 11 citationsarXiv
The Faint Satellite System of NGC 253: Insights into Low-Density Environments and No Satellite Plane2401.14457v1 · Burcin Mutlu-Pakdil, David J. Sand, Denija Crnojevi'c et al.2024 · 23 citationsarXiv
The structure of the stellar halo of the Andromeda galaxy explored with the NB515 for Subaru/HSC. I.: New Insights on the stellar halo up to 120 kpc2401.00668v2 · Itsuki Ogami, Mikito Tanaka, Yutaka Komiyama et al.2024 · 12 citationsarXiv
The Hubble Space Telescope Survey of M31 Satellite Galaxies. III. Calibrating the Horizontal Branch as an Age Indicator for Nearby Galaxies2311.16397v1 · Connor Jennings, Alessandro Savino, Daniel Weisz et al.2023 · 0 citationsarXiv
An evolutionary continuum from nucleated dwarf galaxies to star clusters.37938704 · Wang, Kaixiang, Peng, Eric W, Liu, Chengze et al.2023 · 39 citationsNature. 2023;623(7986):296-300
BP3M: Bayesian Positions, Parallaxes, and Proper Motions derived from the Hubble Space Telescope and Gaia data2310.20099v2 · Kevin A. McKinnon, Andr'es del Pino, Constance M. Rockosi et al.2023 · 6 citationsarXiv
Dwarf galaxies show little ISM evolution from to : a spectroscopic study of metallicity, star formation, and electron density2310.16651v1 · John Pharo, Yicheng Guo, Guillermo Barro Calvo et al.2023 · 0 citationsarXiv
TREX: Kinematic Characterisation of a High-Dispersion Intermediate-Age Stellar Component in M332310.05023v1 · L. R. Cullinane, Karoline M. Gilbert, Puragra Guhathakurta et al.2023 · 0 citationsarXiv
The Panchromatic Hubble Andromeda Treasury: Triangulum Extended Region (PHATTER). V. The Structure of M33 in Resolved Stellar Populations2308.11618v1 · Adam Smercina, Julianne J. Dalcanton, Benjamin F. Williams et al.2023 · 14 citationsarXiv
The Panchromatic Hubble Andromeda Treasury XXI. The Legacy Resolved Stellar Photometry Catalog2307.09681v1 · Benjamin F. Williams, Meredith Durbin, Dustin Lang et al.2023 · 13 citationsarXiv
Data-driven Discovery of Diffuse Interstellar Bands with APOGEE Spectra2307.05706v2 · Kevin A. McKinnon, Melissa K. Ness, Constance M. Rockosi et al.2023 · 5 citationsarXiv
RomAndromeda: The Roman Survey of the Andromeda Halo2306.12302v1 · Arjun Dey, Joan Najita, Carrie Filion et al.2023 · 1 citationarXiv
The Hubble Space Telescope Survey of M31 Satellite Galaxies II. The Star Formation Histories of Ultra-Faint Dwarf Galaxies2305.13360v2 · A. Savino, D. R. Weisz, E. D. Skillman et al.2023 · 36 citationsarXiv
The Next Generation Virgo Cluster Survey (NGVS). XXXV. First Kinematical Clues of Overly-Massive Dark Matter Halos in Several Ultra-Diffuse Galaxies in the Virgo Cluster2305.06369v1 · Elisa Toloba, Laura V. Sales, Sungsoon Lim et al.2023 · 35 citationsarXiv
HALO7D III: Chemical Abundances of Milky Way Halo Stars from Medium Resolution Spectra2302.07293v2 · Kevin A. McKinnon, Emily C. Cunningham, Constance M. Rockosi et al.2023 · 6 citationsarXiv
The Neon Gap: Probing Ionization with Dwarf Galaxies at z~12301.07444v1 · John Pharo, Yicheng Guo, David C. Koo et al.2023 · 4 citationsarXiv
Elemental abundances in M31: Individual and Coadded Spectroscopic [Fe/H] and [{\alpha}/Fe] throughout the M31 Halo with SPLASH2211.15288v1 · J. Leigh Wojno, Karoline M. Gilbert, Evan N. Kirby et al.2022 · 15 citationsarXiv
A Panchromatic Study of Massive Stars in the Extremely Metal-Poor Local Group Dwarf Galaxy Leo A2211.14349v2 · Maude Gull, Daniel R. Weisz, Peter Senchyna et al.2022 · 17 citationsarXiv
Author Correction: A fast radio burst source at a complex magnetized site in a barred galaxy.36357801 · Xu, H, Niu, J R, Chen, P et al.2022 · 11 citationsNature. 2022;611(7937):E12
A non-interacting Galactic black hole candidate in a binary system with a main-sequence star2210.05003v2 · Sukanya Chakrabarti, Joshua D. Simon, Peter A. Craig et al.2022 · 110 citationsarXiv
Resolved SPLASH Chemodynamics in Andromeda's PHAT Stellar Halo and Disk: On the Nature of the Inner Halo Along the Major Axis2209.07962v2 · Ivanna Escala, Amanda C.N. Quirk, Puragra Guhathakurta et al.2022 · 8 citationsarXiv
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