Richardson 2008 对和伽玛暴成协的超新星的统计
主要内容:
这些超新星的动能和辐射出的质量都要更大一些.
精彩摘抄:一些著名的GRB/SN
文章信息:
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Title: | Absolute Magnitude Distribution And Light Curves Of Gamma-Ray Burst Supernovae | |
Authors: | Richardson, Dean | |
Publication: | eprint arXiv:0812.2007 | |
Publication Date: | 12/2008 | |
Origin: | ARXIV | |
Keywords: | Astrophysics | |
Comment: | Accepted by AJ, 16 pages, 5 figures | |
Bibliographic Code: | 2008arXiv0812.2007R |
Abstract
Photometry data were collected from the literature and analyzed for supernovae that are thought to have a gamma-ray burst association. There are several gamma-ray burst afterglow light curves that appear to have a supernova component. For these light curves, the supernova component was extracted and analyzed. A supernova light curve model was used to help determine the peak absolute magnitudes as well as estimates for the kinetic energy, ejected mass and nickel mass in the explosion. The peak absolute magnitudes are, on average, brighter than those of similar supernovae (stripped-envelope supernovae) that do not have a gamma-ray burst association, but this can easily be due to a selection effect. However, the kinetic energies and ejected masses were found to be considerably higher, on average, than those of similar supernovae without a gamma-ray burst association.Bibtex entry for this abstract Preferred format for this abstract (see Preferences)
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