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Abhishek Chattaraj
Pronouns: He/Him/His
CONTACT INFORMATION
EMAIL: a.chattaraj@ufl.edu
OFFICE: NPB 2040
Research Interests
My research focuses on leveraging the theory of massive binary star evolution to understand stellar mass gravitational wave sources across cosmic time and the dormant compact object population in the Milky Way. To this end, my work connects detailed stellar evolution to observable populations using population synthesis modeling with the code POSYDON, for which I am a part of the core development team.
Click here to view my personal webpage.
Advisor: Jeff Andrews
Publications
The Mass-Ratio Distribution of the Low-Mass Binary Black Hole Subpopulation: A Natural Outcome of Isolated Binary Evolution
Monica Gallegos-Garcia, Anarya Ray, Vicky Kalogera, Max Briel, Michael Zevin, Abhishek Chattaraj, Zepei Xing, Jeff J. Andrews, Seth Gossage, Philipp M. Srivastava. Submitted to ApJ.Lett (2026).
High-mass binary black hole mergers from detailed binary evolution models
Max M. Briel, Olcay Bıyıklı, Tassos Fragos, Anarya Ray, Zepei Xing, Monica Gallegos-Garcia, Abhishek Chattaraj, Jeff J. Andrews, Michael Zevin, Vicky Kalogera, Seth Gossage, Philipp M. Srivastava, Elizabeth Teng. Submitted to ApJ. (2026).
Double Neutron Star Delay Times Across Cosmic Metallicities: The Role of Helium Star Progenitors
Abhishek Chattaraj, Jeff J. Andrews, Max Briel, Tassos Fragos, Seth Gossage, Vicky Kalogera, Philipp M. Srivastava, Elizabeth Teng. ApJ. 1006 (2026) 1, 5.
A case for Case A: detailed look at binary black hole formation through stable mass transfer
Max M. Briel, Tassos Fragos, Monica Gallegos-Garcia, Anarya Ray, Michael Zevin, Abhishek Chattaraj, Jeff J. Andrews, Vicky Kalogera et al. A&A, 710, A379 (2026).
Forming Double Neutron Stars Using Detailed Binary Evolution Models with POSYDON: Comparison to the Galactic Systems
Abhishek Chattaraj, Jeff J. Andrews, Simone S. Bavera, Max Briel, Debatri Chattopadhyay, Tassos Fragos, Seth Gossage, Vicky Kalogera et al. ApJ. 997 (2026) 1, 52.
POSYDON Version 2: Population Synthesis with Detailed Binary-Evolution Simulations across a Cosmological Range of Metallicities
Jeff J. Andrews, Simone S. Bavera, Max Briel, Abhishek Chattaraj, Aaron Dotter, Tassos Fragos, Monica Gallegos-Garcia, Seth Gossage, Vicky Kalogera et al. ApJ.Suppl. 281 (2025) 1, 3.
High accuracy post-Newtonian and numerical relativity comparisons involving higher modes for eccentric binary black holes and a dominant mode eccentric inspiral-merger-ringdown model
Abhishek Chattaraj, Tamal RoyChowdhury, Divyajyoti, Chandra Kant Mishra, Anshu Gupta. Phys.Rev.D 106 (2022) 12, 124008.
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