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Browsing by Author "Valenti, S"

Browsing by Author "Valenti, S"

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  • SN 2012aa: a transient between type Ibc core-collapse and superluminous supernovae 
    Roy, R; Sollerman, J; Silverman, J. M; Pastorello, A; Fransson, C; Drake, A; Taddia, F; Fremling, C; Kankare, E; Brajesh Kumar; Cappellaro, E; Bose, S; Benetti, S; Filippenko, A. V; Valenti, S; Nyholm, A; Ergon, M; Sutaria, F. K; Kumar, B; Pandey, S. B; Nicholl, M; Garcia-Alvarez, D; Tomasella, L; Karamehmetoglu, E; Migotto, K (EDP Sciences, 2016-12)
    Context. Research on supernovae (SNe) over the past decade has confirmed that there is a distinct class of events which are much more luminous (by ~2 mag) than canonical core-collapse SNe (CCSNe). These events with visual ...
  • SN 2013ab: a normal type IIP supernova in NGC 5669 
    Bose, S; Valenti, S; Misra, K; Pumo, M. L; Zampieri, L; Sand, D; Kumar, B; Pastorello, A; Sutaria, F. K; Maccarone, T. J; Kumar, B; Graham, M. L; Howell, D. A; Ochner, P; Chandola, H. C; Pandey, S. B (Oxford University Press on behalf of the Royal Astronomical Society, 2015-07-01)
    We present densely sampled ultraviolet/optical photometric and low-resolution optical spectroscopic observations of the Type IIP supernova 2013ab in the nearby (∼24 Mpc) galaxy NGC 5669, from 2 to 190 d after explosion. ...
  • 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 ...
  • Type Ib supernova 2008d associated with the luminous x-ray transient 080109: an energetic explosion of a massive helium star 
    Tanaka, M; Tominaga, N; Nomoto, K; Valenti, S; Sahu, D. K; Minezaki, T; Yoshii, Y; Yoshida, M; Anupama, G. C; Benetti, S; Chincarini, G; Valle, M. D; Mazzali, P. A; Pian, E (The American Astronomical Society, 2009-02)
    We present a theoretical model for supernova SN 2008D associated with the luminous X-ray transient 080109. The bolometric light curve and optical spectra of the SN are modeled based on the progenitor models and the explosion ...

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