期刊
ASTRONOMICAL JOURNAL
卷 147, 期 5, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0004-6256/147/5/118
关键词
supernovae: general
资金
- National Science Foundation [CHE-1005026]
- U.S. Nuclear Regulatory Commission [23N811]
- National Aeronautics and Space Administration
The absolute-magnitude distributions of seven supernova (SN) types are presented. The data used here were primarily taken from the Asiago Supernova Catalogue, but were supplemented with additional data. We accounted for both foreground and host-galaxy extinction. A bootstrap method is used to correct the samples for Malmquist bias. Separately, we generate volume-limited samples, restricted to events within 100 Mpc. We find that the superluminous events (M-B < -21) make up only about 0.1% of all SNe in the bias-corrected sample. The subluminous events (M-B > -15) make up about 3%. The normal Ia distribution was the brightest with a mean absolute blue magnitude of -19.25. The IIP distribution was the dimmest at -16.75.
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