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Browsing by Author "Dastidar, Raya"

Browsing by Author "Dastidar, Raya"

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  • Bridging between Type IIb and Ib Supernovae: SN IIb 2022crv with a Very Thin Hydrogen Envelope 
    Gangopadhyay, Anjasha; Maeda, Keiichi; Singh, Avinash; A. J, Nayana; Nakaoka, Tatsuya; Kawabata, Koji S; Taguchi, Kenta; Singh, Mridweeka; Chandra, Poonam; Ryder, Stuart D; Dastidar, Raya; Yamanaka, Masayuki; Kawabata, Miho; Alsaberi, Rami Z. E; Dukiya, Naveen; Singh Teja, Rishabh; Ailawadhi, Bhavya; Dutta, Anirban; Sahu, D. K.; Moriya, Takashi J; Misra, Kuntal; Tanaka, Masaomi; Chevalier, Roger; Tominaga, Nozomu; Uno, Kohki; Imazawa, Ryo; Hamada, Taisei; Hori, Tomoya; Isogai, Keisuke (The Astrophysical Journal, 2023-11)
    We present optical, near-infrared, and radio observations of supernova (SN) SN IIb 2022crv. We show that it retained a very thin H envelope and transitioned from an SN IIb to an SN Ib; prominent Hα seen in the pre-maximum ...
  • A global look into the world of interacting supernovae 
    Gangopadhyay, Anjasha; Misra, Kuntal, et.al.; Kawabata, Koji S; Dastidar, Raya; Singh, Mridweeka (Journal Astrophysical Astronomy, 2022-12)
    Interacting supernovae (SNe) IIn and Ibn show narrow emission lines and have always been a mysterious and unsolved genre in SNe physics. We present a comprehensive analysis of the temporal and spectroscopic behavior of ...
  • Study of Core-Collapse Supernovae and their Progenitors 
    Dastidar, Raya (ARIES, Nainital, 2020-09)
    Supernovae are the cosmic fireworks that mark the death of stars, wherein heavy elements are forged and dispersed, leading to the galactic enrichment of the Universe. In core-collapse supernovae, the collapse of the inert ...
  • Study of core-collapse supernovae and their progenitors 
    Dastidar, Raya (ARIES, Nainital, 2021-08)
    Supernovae are the cosmic fireworks that mark the death of stars, wherein heavy elements are forged and dispersed, leading to the galactic enrichment of the Universe. In core-collapse supernovae, the collapse of the inert ...

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