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Dr. Shaon Ghosh is an astrophysicist working on gravitational wave data analysis. Gravitational waves (GW) are ripples in the fabric of space-time produced by dynamics of massive objects, and are able be detected from violent collisions of neutron stars and black holes using a multiple ground-based GW detectors called LIGO - Laser Interferometer Gravitational-wave Observatory. GW carries with them information about these colliding systems that have previously been inaccessible.
Dr. Ghosh works at the junction of these two fields of gravitational wave and electromagnetic observations. He studies GW data obtained from LIGO, and analyze them to extract physics of the system. Dr. Ghosh collaborates with telescopes around the world to follow-up these systems to search for signatures of these events in the electromagnetic spectrum. He devises tools to combine the information from the GW and electromagnetic channels to maximize the scientific output of observations.
Research interests
Dr. Ghosh's research investigates cataclysmic events like coalescences of neutron stars and black holes. He works on the development of cyber-infrastructure for low-latency alerts of gravitational wave events, and is an original developer of the LIGO-Virgo collaboration's EM-Bright pipeline used for rapid gravitational wave source classification that debuted in the second observing run, and the co-developer of the current EM-Bright pipeline, which is used for real-time source-properties inference. He works on understanding the structure of neutron stars using gravitational waves from neutron star binary coalescences.
Scholarly Interests
Teaching
Dr. Ghosh teachs physics and astronomy courses in the undergraduate curricula of Montclair State University. He is especially keen on bringing in his expertise in computational techniques to teaching, giving undergraduate students an opportunity to learn these techniques early on, to prepare them for the future, in academia and in industry.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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RUI: WoU-MMA: Multi-Messenger Astronomy and Astrophysics with Gravitational-Wave Data
15/06/21 → 31/05/24
Project: Research
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All-sky, all-frequency directional search for persistent gravitational waves from Advanced LIGO's and Advanced Virgo's first three observing runs
(LIGO Scientific Collaboration, the Virgo Collaboration, and the KAGRA Collaboration), 15 Jun 2022, In: Physical Review D. 105, 12, 122001.Research output: Contribution to journal › Article › peer-review
3 Scopus citations -
All-sky search for gravitational wave emission from scalar boson clouds around spinning black holes in LIGO O3 data
(The LIGO Scientific Collaboration, the Virgo Collaboration, and the KAGRA Collaboration), 15 May 2022, In: Physical Review D. 105, 10, 102001.Research output: Contribution to journal › Article › peer-review
13 Scopus citations -
Constraints on dark photon dark matter using data from LIGO's and Virgo's third observing run
(LIGO Scientific Collaboration, Virgo Collaboration, and KAGRA Collaboration), 15 Mar 2022, In: Physical Review D. 105, 6, 063030.Research output: Contribution to journal › Article › peer-review
5 Scopus citations -
First joint observation by the underground gravitational-wave detector KAGRA with GEO 600
The LIGO Scientific Collaboration, The Virgo Collaboration & the KAGRA Collaboration, 1 Jun 2022, In: Progress of Theoretical and Experimental Physics. 2022, 6, 063F01.Research output: Contribution to journal › Article › peer-review
Open Access7 Scopus citations -
Host galaxy magnitude of OJ 287 from its colours at minimum light
Valtonen, M. J., Dey, L., Zola, S., Ciprini, S., Kidger, M., Pursimo, T., Gopakumar, A., Matsumoto, K., Sadakane, K., Caton, D. B., Nilsson, K., Komossa, S., Bagaglia, M., Baransky, A., Boumis, P., Boyd, D., Castro-Tirado, A. J., Debski, B., Drozdz, M., Escartin Perez, A., & 37 others , 1 Aug 2022, In: Monthly Notices of the Royal Astronomical Society. 514, 2, p. 3017-3023 7 p.Research output: Contribution to journal › Article › peer-review