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Title: Optical Studies of the Low Velocity Gradient Type Ia Supernovae 2009an and 2009ig
Authors: Sahu, D. K
Anupama, G. C
Anto, P
Gurugubelli, U. K
Keywords: Supernovae: individual (SN 2009an & SN 2009ig)
Issue Date: Jan-2013
Publisher: Cambridge University Press
Citation: Proceedings of the International Astronomical Union, Vol. 281, pp 316-318
Series/Report no.: IAU Symposium;Vol. 281
Abstract: UBVRI photometry and medium resolution spectroscopy of two Type Ia supernovae, SN 2009an and SN 2009ig, are presented. Their Δm15(B) indicate these two SNe marginally deviate from “normal” Type Ia events. Spectroscopically, both SNe belong to the low velocity gradient group. The estimated mass of 56Ni ejected is almost a factor of two different for these two objects, with the estimates being ~0.4M⊙ for SN 2009an and ~0.8 M⊙ for SN 2009ig.
Description: Restricted Access
ISSN: 1743-9213
???metadata.dc.rights???: © International Astronomical Union
Appears in Collections:IIAP Publications

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