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Browsing by Author "Srivastav, S"

Browsing by Author "Srivastav, S"

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  • Photometric, polarimetric, and spectroscopic studies of the luminous, slow-decaying Type Ib SN 2012au 
    Pandey, S. B; Amit Kumar; Brajesh Kumar; Anupama, G. C; Srivastav, S; Sahu, D. K; Vinko, J; Aryan, A; Pastorello, A; Benetti, S; Tomasella, L; Singh, A; Moskvitin, A. S; Sokolov, V. V; Gupta, R; Misra, K; Ochner, P; Valenti, S (Oxford University Press on behalf of Royal Astronomical Society, 2021-10)
    Optical, near-infrared (NIR) photometric and spectroscopic studies, along with the optical imaging polarimetric results for SN 2012au, are presented in this article to constrain the nature of the progenitor and other ...
  • 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 2015bp: adding to the growing population of transitional Type Ia supernovae 
    Srivastav, S; Anupama, G. C; Sahu, D. K; Ravikumar, C. D (Oxford University Press on behalf of the Royal Astronomical Society, 2017-04)
    Photometric and spectroscopic observations of Type Ia supernova 2015bp are presented, spanning ∼−6 to ∼+141 d since B-band maximum. Also presented are unpublished HCT spectra of type Ia iPTF13ebh between −11 and +34 d since ...
  • Strong near-infrared carbon in the type Ia supernova iPTF13ebh 
    Hsiao, E. Y; Burns, C. R; Contreras, C; Hoflich, P; Sand, D; Marion, G. H; Phillips, M. M; Stritzinger, M; Gonzalez-Gaitan, S; Mason, R. E; Folatelli, G; Parent, E; Gall, C; Amanullah, R; Anupama, G. C; Arcavi, I; Banerjee, D. P. K; Beletsky, Y; Blanc, G. A; Bloom, J. S; Brown, P. J; Campillay, A; Cao, Y; De Cia, A; Diamond, T; Freedman, W. L; Gonzalez, C; Goobar, A; Holmbo, S; Howell, D. A; Johansson, J; Kasliwal, M. M; Kirshner, R. P; Krisciunas, K; Kulkarni, S. R; Maguire, K; Milne, P. A; Morrell, N; Nugent, P. E; Ofek, E. O; Osip, D; Palunas, P; Perley, D. A; Persson, S. E; Piro, A. L; Rabus, M; Roth, M; Schiefelbein, J. M; Srivastav, S; Sullivan, M; Suntzeff, N. B; Surace, J; Wozniak, P. R; Yaron, O (EDP Sciences, 2015-06)
    We present near-infrared (NIR) time-series spectroscopy, as well as complementary ultraviolet (UV), optical, and NIR data, of the Type Ia supernova (SN Ia) iPTF13ebh, which was discovered within two days from the estimated ...
  • Supernova SN 2012dn: a spectroscopic clone of SN 2006gz 
    Chakradhari, N. K; Sahu, D. K; Srivastav, S; Anupama, G. C (Oxford University Press on behalf of the Royal Astronomical Society, 2014-09-11)
    We present optical and UV analysis of the luminous Type Ia supernova SN 2012dn covering the period from ∼−11 to +109 d with respect to the B-band maximum, which occurred on JD 245 6132.89 ± 0.19, with an apparent magnitude ...

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