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Browsing by Author "Srivastav, S"

Browsing by Author "Srivastav, S"

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  • 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 Also presented are unpublished HCT spectra of type Ia iPTF13ebh between −11 and +34 d since ...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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