Optical observations of GRB 060218/SN 2006aj and its host galaxy
Abstract
The supernova SN 2006aj associated with GRB 060218 is the second-closest GRB-SN observed to date (=0.033) and is the clearest example of a SN associated with a Swift GRB with the earliest optical spectroscopy. Its optical data showed that this is the fastest evolving and among the least luminous GRB-SNe (70% as luminous as SN1998bw). However, its expansion velocity and a comparison with other stripped-envelope SNe suggest that SN2006aj is an intermediate object between Type Ic GRB-SNe and those not accompained by a GRB. High-resolution optical spectroscopy together with SDSS pre-burst observations revealed that the host galaxy of SN2006aj is a low-luminosity, metal-poor star-forming dwarf galaxy.
Cite
@article{arxiv.astro-ph/0610417,
title = {Optical observations of GRB 060218/SN 2006aj and its host galaxy},
author = {Patrizia Ferrero and Eliana Palazzi and Elena Pian and Sandra Savaglio},
journal= {arXiv preprint arXiv:astro-ph/0610417},
year = {2008}
}
Comments
To appear in conf. proc. of "The Multicoloured Landscape of Compact Objects and their Explosive Progenitors: Theory vs Observations", a conference held in Cefalu, Sicily, June 11-24, 2006