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Browsing by Author "Pastorello, A"

Browsing by Author "Pastorello, A"

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  • Dead or Alive? Long-term evolution of SN 2015bh (SNhunt275) 
    Elias-Rosa, N; Pastorello, A; Benetti, S; Cappellaro, E; Taubenberger, S; Terreran, G; Fraser, M; Brown, P. J; Tartaglia, L; Morales-Garoffolo, A; Harmanen, J; Richardson, N. D; Artigau, E; Tomasella, L; Margutti, R; Smartt, S. J; Dennefeld, M; Turatto, M; Anupama, G. C; Arbour, R; Berton, M; Bjorkman, K. S; Boles, T; Briganti, F; Chornock, R; Ciabattari, F; Cortini, G; Dimai, A; Gerhartz, C. J; Itagaki, K; Kotak, R; Mancini, R; Martinelli, F; Milisavljevic, D; Misra, K; Ochner, P; Patnaude, D; Polshaw, J; Sahu, D. K; Zaggia, S (Oxford University Press on behalf of the Royal Astronomical Society, 2016-12)
    Supernova (SN) 2015bh (or SNhunt275) was discovered in NGC 2770 on 2015 February with an absolute magnitude of Mr ∼ −13.4 mag, and was initially classified as an SN impostor. Here, we present the photometric and spectroscopic ...
  • ESC observations of SN 2005cf – I. Photometric evolution of a normal Type Ia supernova 
    Pastorello, A; Taubenberger, V; Elias-Rosa, N; Mazzali, P. A; Pignata, G; Cappellaro, E; Garavini, G; Nobili, S; Anupama, G. C; Bayliss, D. D. R; Benetti, S; Bufano, F; Chakradhari, N. K; Kotak, R; Goobar, A; Navasardyan, H; Patat, F; Sahu, D. K; Salvo, M; Schmidt, B. P; Stanishev, V; Turatto, M; Hillebrandt, W (Blackwell Publishing, 2007-04)
    We present early-time optical and near-infrared photometry of supernova (SN) 2005cf. The observations, spanning a period from about 12 d before to 3 months after maximum, have been obtained through the coordination of ...
  • 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 ...
  • 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 ...
  • The Peculiar Type Ia Supernova 2005hk 
    Stanishev, V; Taubenberger, S; Blanc, G; Anupama, G. C; Benetti, S; Cappellaro, E; Elias-Rosa, N; Féron, C; Goobar, A; Krisciunas, K; Pastorello, A; Sahu, D. K; Salvo, M. E; Schmidt, B. P; Sollerman, J; Thöne, C. C; Turatto, M; Hillebrandt, W (American Institute of Physics, 2007-08)
    We present a preliminary analysis of an extensive set of optical observations of the Type Ia SN 2005hk. We show that the evolution of SN 2005hk closely follows that of the peculiar SN 2002cx. SN 2005hk is more luminous ...
  • 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 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 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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