Sushant Sharma Chaudhary

ORCID: 0000-0003-1314-4241
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About
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Research Areas
  • Pulsars and Gravitational Waves Research
  • Gamma-ray bursts and supernovae
  • Geophysics and Gravity Measurements
  • High-pressure geophysics and materials
  • Astrophysics and Cosmic Phenomena
  • GNSS positioning and interference
  • Superconducting Materials and Applications
  • Atomic and Subatomic Physics Research
  • Statistical and numerical algorithms
  • Astronomical Observations and Instrumentation
  • Stellar, planetary, and galactic studies
  • Radio Astronomy Observations and Technology
  • Time Series Analysis and Forecasting
  • Magnetic confinement fusion research

Missouri University of Science and Technology
2023-2024

GstLAL is a stream-based matched-filtering search pipeline aiming at the prompt discovery of gravitational waves from compact binary coalescences such as mergers black holes and neutron stars. Over past three observation runs by LIGO, Virgo, KAGRA Collaboration, has participated in several tens wave discoveries. The fourth observing run (O4) set to begin May 2023 expected see many new interesting signals which will inform our understanding astrophysics cosmology. We describe current...

10.1103/physrevd.109.042008 article EN Physical review. D/Physical review. D. 2024-02-23

Multimessenger searches for binary neutron star (BNS) and star-black hole (NSBH) mergers are currently one of the most exciting areas astronomy. The search joint electromagnetic neutrino counterparts to gravitational wave (GW)s has resumed with ALIGO’s, AdVirgo’s KAGRA’s fourth observing run (O4). To support this effort, public semiautomated data products sent in near real-time include localization source properties guide complementary observations. In preparation O4, we have conducted a...

10.1073/pnas.2316474121 article EN Proceedings of the National Academy of Sciences 2024-04-23

Abstract Efficient multi-messenger observations of gravitational waves from compact object mergers rely on data products reported in low-latency by the International Gravitational-wave Network (IGWN). While such as HasNS , probability at least one neutron star, and HasRemnant remnant matter forming after merger, exist, these are not direct observables for a potential kilonova. Here, we present new kilonova light curve ejecta mass derived merger quantities measured low latency, marginalizing...

10.1088/1538-3873/adbcd7 article EN cc-by Publications of the Astronomical Society of the Pacific 2025-03-01

Abstract Because of the electromagnetic (EM) radiation produced during merger, compact binary coalescences with neutron stars may result in multi-messenger observations. In order to follow up on gravitational-wave (GW) signal EM telescopes, it is critical promptly identify properties these sources. This identification must rely progenitor source, such as component masses and spins, determined by low-latency detection pipelines real time. The output pipelines, however, might be biased, which...

10.1088/1361-6382/ad3279 article EN cc-by Classical and Quantum Gravity 2024-03-11

Multi-messenger searches for BNS and NSBH mergers are currently one of the most exciting areas astronomy. The search joint electromagnetic neutrino counterparts to GWs has resumed with O4. To support this effort, public semi-automated data products sent in near real-time include localization source properties guide complementary observations. In preparation O4, we have conducted a study using simulated population compact binaries MDC form replay optimize profile software infrastructure...

10.48550/arxiv.2308.04545 preprint EN cc-by arXiv (Cornell University) 2023-01-01

Efficient multi-messenger observations of gravitational-wave candidates from compact binary coalescence candidate events rely on data products reported in low-latency by the International Gravitational-wave Network (IGWN). While such as $\texttt{HasNS}$, probability at least one neutron star, and $\texttt{HasRemnant}$, remnant matter forming after merger, exist, these are not direct observables for a potential kilonova. Here, we present new kilonova light curve ejecta mass derived merger...

10.48550/arxiv.2410.10702 preprint EN arXiv (Cornell University) 2024-10-14

GstLAL is a stream-based matched-filtering search pipeline aiming at the prompt discovery of gravitational waves from compact binary coalescences such as mergers black holes and neutron stars. Over past three observation runs by LIGO, Virgo, KAGRA (LVK) collaboration, has participated in several tens wave discoveries. The fourth observing run (O4) set to begin May 2023 expected see many new interesting signals which will inform our understanding astrophysics cosmology. We describe current...

10.48550/arxiv.2305.05625 preprint EN cc-by arXiv (Cornell University) 2023-01-01

Because of the electromagnetic radiation produced during merger, compact binary coalescences with neutron stars may result in multi-messenger observations. In order to follow up on gravitational-wave signal telescopes, it is critical promptly identify properties these sources. This identification must rely progenitor source, such as component masses and spins, determined by low-latency detection pipelines real time. The output pipelines, however, might be biased, which could decrease...

10.48550/arxiv.2311.00045 preprint EN other-oa arXiv (Cornell University) 2023-01-01
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