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Identifying and characterizing extragalactic circum-CBC exoplanets with future gravitational-wave detectors
Avinash Tiwari, Aditya Vijaykumar, Shasvath J. Kapadia +1
Exoplanets are high-value targets for a variety of ground and space-based telescopes. All known exoplanets are Galactic, and a fraction of them orbit compact objects. In this work,…
Coalescence Forensics: Weighing the Hosts of Hierarchical Binary Black Hole Mergers
Avinash Tiwari, Shasvath J. Kapadia
We present a novel framework to infer the mass of clusters that host hierarchical binary black hole (BBH) mergers detected with gravitational-waves (GWs), on a single event basis.…
Forecasting properties of detectable massive binary black hole mergers in the era of space based gravitational-wave detectors
Sourabh Magare, Abhinav Roy, Shasvath J. Kapadia +2
Gravitational waves (GWs) from massive black hole (MBH) mergers will provide a novel way to probe the high-redshift universe and are key to understanding galactic dynamics and evol…
What do gravitational-wave observations tell us about Luminous Red Novae?
Dhruv Jain, Shasvath J. Kapadia, Kuntal Misra +4
Luminous Red Novae (LRNe) have been argued to be related to the ejection of common envelopes (CEs) in binary star systems. Ejection of CEs leads to tightened stellar orbits capable…
Early warning for lensed gravitational wave counterparts from time delays of their host galaxies observed in the optical
Sourabh Magare, Anupreeta More, Shasvath J. Kapadia
Gravitational lensing of gravitational waves (GWs) can be leveraged to provide early-warning times of to before the merger of B…
Testing the nature of GW200105 by probing the frequency evolution of eccentricity
Avinash Tiwari, Sajad A. Bhat, Md Arif Shaikh +1
GW200105 is a compact binary coalescence (CBC) event, consisting of a neutron star and a black hole, observed in LIGO-Virgo-KAGRA's (LVK's) third observing run (O3). Recent reanaly…