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Research

·291 words
Joysankar Majumdar
Author
Joysankar Majumdar
Astronomy - Photography - Sleeping

I am interested in multi-wavelength studies of astrophysical transients and high-energy astrophysics. Currently, I am working on core-collapse supernovae.

Currently, I am working on expanding the features of BHTOM, which is a multi-wavelength archival and optical follow-up engine for astrophysical transients.

Collaborations
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  • LSST-TVS: The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) Transients and Variable Stars (TVS) Collaboration
  • PESSTO: Public ESO Spectroscopic Survey of Transient Objects
  • RISOTTO: Rubin-ESO Investigative Spectroscopy Of Target Transient Objects

Publications
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ADS

  • J. Majumdar, S. Maurya, R. Prince. BL Lacertae under the flare of 2024: Probing temporal and spectral dynamics. Journal of High Energy Astrophysics, 48, 100402 (2025). DOI:10.1016/j.jheap.2025.100402

  • J. Majumdar, K. Tiwari, A.K. Singh. Multi-instrument study of the response of intense solar flares during the descending period of the 24th solar cycle. Advances in Space Research, 76, 371-384 (2025). DOI:10.1016/j.asr.2025.04.063

  • S. Maurya, J. Majumdar, Varun, N. Sahu, R. Prince. On the origin of multifrequency temporal and spectral variability in Ton 599. Publications of the Astronomical Society of Australia, 42, e053 (2025). DOI:10.1017/pasa.2025.34

  • M. Wicker, Ł. Wyrzykowski et al. (including J. Majumdar) Gaia20fnr: A binary-lens microlensing event with full orbital motion revealed by four space telescopes. Astronomy & Astrophysics, 710, A294 (2026). DOI:10.1051/0004-6361/202659085

  • A. F. Gillan, Ł. Wyrzykowski et al. (including J. Majumdar) Time-Domain Photometry and Activity Evolution of Interstellar Comet 3I/ATLAS with BHTOM. Astronomy & Astrophysics, **, ** (2026). DOI:10.1051/10.1051/0004-6361/202659913

TNS
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