Chakradhari, N. K; Sahu, D. K; Anupama, G. C
(Oxford University Press on behalf of the Royal Astronomical Society, 2019-08)
We present an extensive optical–ultraviolet photometry and analysis of a series of optical spectra of type Ia supernovae SN 2009ig and SN 2012cg. The observations range from −15 to +185 d for SN 2009ig and from −14 to 316 ...