Optical observations of supernova 2012aw

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/6560

Title:	Optical observations of supernova 2012aw
Authors:	Bose, S Kumar, B Sutaria, F. K Roy, Rupak Kumar, B Bhatt, V. K Chakraborti, S
Keywords:	(stars:) supernovae: individual (SN 2012aw) Techniques: photometric Spectroscopic
Issue Date:	Jan-2014
Publisher:	Cambridge University Press
Citation:	Proceedings of the International Astronomical Union, Vol. 296, pp. 334-335
Series/Report no.:	International Astronomical Union Symposium;296
Abstract:	We present optical UBVRI photometric and low-resolution spectroscopic follow-up observations of a type II SN 2012aw in a nearby (~10 Mpc) galaxy M95 during 4 to 270 days post-explosion. The evolution characteristics of optical brightness and color are found to have striking similarity with the archetypal type IIP SN 1999em. The mid-plateau M V is −16.7 mag and the ejected nickel mass is ~0.06 M⊙. The presence and evolution of optical spectral features during 7d to 104d are also similar to SN 1999em as well as other normal type IIP events. The mid-plateau photospheric velocity is around 4200 km s−1 which is same as that of SN 2004et at similar phases, indicating similar energy of explosion i.e. 2 × 1051 erg s−1.
Description:	Restricted Access
URI:	http://hdl.handle.net/2248/6560
ISBN:	978-1-107-04477-7
ISSN:	1743-9213
Appears in Collections:	IIAP Publications

Files in This Item:

File	Description	Size	Format
Optical observations of supernova 2012aw.pdf Restricted Access	Restricted Access	1.16 MB	Adobe PDF	View/Open Request a copy

DSpace JSPUI