9 papers · 1 filter
The First Detection of Sub-Populations in the Delay-Time Distribution of Binary Black Holes in GWTC-4 of LIGO-Virgo-KAGRA
Shaunak Padhyegurjar, Suvodip Mukherjee
The imprint of different formation channels of binary black holes (BBHs) is encoded in the distribution of time delays between BBH mergers and the formation of their progenitor sta…
Inferring the role of binary neutron star mergers in r-process nucleosynthesis with multi-messenger observations using Cosmic Explorer and Einstein Telescope
Aman Agarwal, Suvodip Mukherjee, Daniel M. Siegel
Identifying the cosmic origin of rapid neutron-capture (r-process) elements remains an open problem. Binary neutron-star (BNS) mergers and rare classes of core-collapse supernovae…
Is the Binary Black Hole Population Inference from Gravitational-Wave Data Robust?
Upasana Das, Suvodip Mukherjee
Gravitational-wave observations are playing an instrumental role in understanding the population of binary compact objects in the Universe. These observations have begun to hint at…
The First Upper Bound on the Non-Stationary Gravitational Wave Background and its Implication on the High Redshift Binary Black Hole Merger Rate
Mohit Raj Sah, Suvodip Mukherjee
The high redshift merger rate and mass distribution of black hole binaries provide a direct probe to distinguish astrophysical black holes (ABHs) and primordial black holes (PBHs),…
Are all Binary Black Holes Detected by LIGO-Virgo-KAGRA Following the Universal Time-Delay Distributions? Probably Not
Samsuzzaman Afroz, Navdha, Suvodip Mukherjee
The delay time distribution (DTD) of binary black hole (BBH) mergers encodes the evolutionary link between stellar formation history and gravitational-wave (GW) emission. We presen…
Binary Black Hole Phase Space Discovers the Signature of Pair Instability Supernovae Mass Gap
Samsuzzaman Afroz, Suvodip Mukherjee
The rapidly expanding catalog of gravitational-wave detections provides a powerful probe of the formation history of compact binaries across cosmic time. In this work, we extend th…