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Browsing by Author "Dastidar, R"

Browsing by Author "Dastidar, R"

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  • Core-collapse SNe of type IIP and their progenitors: The case study of PNV J01315945+3328458 
    Dastidar, R; Kumar, B; Sahu, D. K; Misra, K; Singh, M; Gangopadhyay, A; Anapuma, G. C; Pandey, S. B (Societe Royale des Sciences de Liege, 2018-04)
    The type II supernovae (SNe) are hydrogen-rich cosmic explosions resulting from the collapse of massive stars. The impetus of studying individual events arises from its cosmological importance and the diverse understanding ...
  • Discovery and rapid follow-up observations of the unusual type II SN 2018ivc in NGC 1068 
    Bostroem, K. A; Valenti, S; Sand, D. J; Andrews, J. E; Van Dyk, S. D; Galbany, L; Pooley, D; Amaro, R. C; Smith, N; Yang, S; Anupama, G. C; Arcavi, I; Baron, E; Brown, P. J; Burke, J; Cartier, R; Hiramatsu, D; Dastidar, R; DerKacy, J. M; Dong, Y; Egami, E; Ertel, S; Filippenko, A. V; Fox, O. D; Haislip, J; Hosseinzadeh, G; Howell, D. A; Gangopadhyay, A; Jha, S. W; Kouprianov, V; Kumar, B; Lundquist, M; Milisavljevic, D; McCully, C; Milne, P; Misra, K; Reichart, D. E; Sahu, D. K; Sai, H; Singh, A; Smith, P. S; Vinko, J; Wang, X; Wang, Y; Wheeler, J. C; Williams, G. G; Wyatt, S; Zhang, J; Zhang, X (IOP Publishing, 2020-05-20)
    We present the discovery and high-cadence follow-up observations of SN 2018ivc, an unusual SNe II that exploded in NGC 1068 (D = 10.1 Mpc). The light curve of SN 2018ivc declines piecewise-linearly, changing slope ...
  • Exploring the optical behaviour of a Type Iax supernova SN 2014dt 
    Singh, M; Misra, K; Sahu, D. K; Dastidar, R; Gangopadhyay, A; Bose, S; Srivastav, S; Anupama, G. C; Chakradhari, N. K; Brajesh Kumar; Kumar, B; Pandey, S. B (Oxford University Press on behalf of the Royal Astronomical Society, 2018-02)
    We present optical photometric (up to ∼ 410 d since B max ) and spectroscopic (up to ∼ 157 d since B max ) observations of a Type Iax supernova (SN) 2014dt located in M61. SN 2014dt is one of the brightest and ...
  • Light Curve and Spectral Evolution of Type IIb Supernovae 
    Gangopadhyay, A; Misra, K; Pastorello, A; Sahu, D. K; Singh, M; Dastidar, R; Anapuma, G. C; Kumar, B; Pandey, S. B (Societe Royale des Sciences de Liege, 2018-04)
    Stripped-Envelope Supernovae constitute the sub-class of core-collapse supernovae that strip off their outer hydrogen envelope due to high stellar winds or due to interaction with a binary companion where mass transfer ...
  • Observational properties of a type Ib supernova MASTER OT J120451.50+265946.6 in NGC 4080 
    Singh, M; Misra, K; Sahu, D. K; Dastidar, R; Gangopadhyay, A; Srivastav, S; Anupama, G. C; Bose, S; Lipunov, V; Chakradhari, N. K; Brajesh Kumar; Pandey, S. B; Gorbovskoy, E; Balanutsa, P (Oxford University Press on behalf of the Royal Astronomical Society, 2019-06)
    MASTER OT J120451.50+265946.6 (M12045), discovered by the MASTER Global Robotic Net, is a Type Ib supernova (SN) that exploded in NGC 4080. We present the BVRI photometric and spectroscopic observations up to ∼250 d since ...
  • The optical properties of three Type II supernovae: 2014cx, 2014cy, and 2015cz 
    Dastidar, R; Misra, K; Singh, M; Pastorello, A; Sahu, D. K; Wang, X; Gangopadhyay, A; Tomasella, L; Zhang, J; Bose, S; Mo, J; Elias-Rosa, N; Tartaglia, L; Yan, S; Brijesh Kumar; Anupama, G. C; Pandey, S. B; Rui, L; Zhang, T; Terreran, G; Ochner, P; Huang, F (Oxford University Press on behalf of the Royal Astronomical Society, 2021-06)
    We present the photometric and spectroscopic analysis of three Type II supernovae (SNe): 2014cx, 2014cy, and 2015cz. SN 2014cx is a conventional Type IIP with shallow slope (0.2 mag/50 d) and an atypical short plateau ...
  • Optical studies of two stripped envelope supernovae − SN 2015ap (Type Ib) and SN 2016P (Type Ic) 
    Gangopadhyay, A; Misra, K; Sahu, D. K; Wang, Shan-Qin; Kumar, Brajesh; Li, Long; Anupama, G. C; Dastidar, R; Elias-Rosa, N; Kumar, Brijesh; Singh, Mridweeka; Pandey, S. B; Sanwal, Pankaj; Singh, A; Srivastav, S; Tartaglia, L; Tomasella, L (Oxford University Press on behalf of the Royal Astronomical Society, 2020-09)
    We present the photometric and spectroscopic studies of a Type Ib SN 2015ap and a Type Ic SN 2016P. SN 2015ap is one of the bright (MV = −18.04 mag) Type Ib while SN 2016P lies at an average value among the Type Ic SNe (MV ...
  • Photometric and spectroscopic evolution of the peculiar Type IIn SN 2012ab 
    Gangopadhyay, A; Turatto, Massimo; Benetti, Stefano; Misra, K; Brajesh Kumar; Cappellaro, Enrico; Pastorello, Andrea; Tomasella, Lina; Vanni, Sabrina; Fiore, Achille; Morales-Garoffolo, A; Elias-Rosa, Nancy; Singh, Mridweeka; Dastidar, R; Ochner, Paolo; Tartaglia, Leonardo; Brijesh Kumar; Pandey, S. B (Oxford University Press on behalf of the Royal Astronomical Society, 2020-11)
    We present an extensive (∼1200 d) photometric and spectroscopic monitoring of the Type IIn supernova (SN) 2012ab. After a rapid initial rise leading to a bright maximum (MR = −19.39 mag), the light curves show a plateau ...
  • SN 2015as: a low-luminosity Type IIb supernova without an early light-curve peak 
    Gangopadhyay, A; Misra, K; Pastorello, A; Sahu, D. K; Tomasella, L; Tartaglia, L; Singh, M; Dastidar, R; Srivastav, S; Ochner, P; Brown, P. J; Anupama, G. C; Benetti, S; Cappellaro, E; Brajesh Kumar; Kumar, B; Pandey, S. B (Oxford University Press on behalf of the Royal Astronomical Society, 2018-05)
    We present results of the photometric (from 3 to 509 days past explosion) and spectroscopic (up to 230 days past explosion) monitoring campaign of the He-rich Type IIb supernova (SN) 2015as. The (B-V) colour evolution of ...
  • SN 2015ba: a Type IIP supernova with a long plateau 
    Dastidar, R; Misra, K; Hosseinzadeh, G; Pastorello, A; Pumo, M. L; Valenti, S; McCully, C; Tomasella, L; Arcavi, I; Elias-Rosa, N; Singh, M; Gangopadhyay, A; Howell, D. A; Morales-Garoffolo, A; Zampieri, L; Kumar, Brijesh; Turatto, M; Benetti, S; Tartaglia, L; Ochner, P; Sahu, D. K; Anupama, G. C; Pandey, S. B (Oxford University Press on behalf of the Royal Astronomical Society, 2018-09)
    We present optical photometry and spectroscopy from about a week after explosion to ∼272 d of an atypical Type IIP supernova, SN 2015ba, which exploded in the edge-on galaxy IC 1029. SN 2015ba is a luminous event with an ...
  • SN 2016B a.k.a. ASASSN-16ab: a transitional Type II supernova 
    Dastidar, R; Misra, K; Singh, M; Sahu, D. K; Pastorello, A; Gangopadhyay, A; Tomasella, L; Benetti, S; Terreran, G; Sanwal, Pankaj; Kumar, B; Singh, A; Brajesh Kumar; Anupama, G. C; Pandey, S. B (Oxford University Press on behalf of the Royal Astronomical Society, 2019-06)
    We present photometry, polarimetry, and spectroscopy of the Type II supernova ASASSN-16ab/SN 2016B in PGC 037392. The photometric and spectroscopic follow-up commenced about 2 weeks after shock breakout and continued until ...

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