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 ...