Superluminous Supernovae

被引：0

作者：

Quimby, Robert M. ^{[1
]}

机构：

[1] Univ Tokyo, Todai Inst Adv Study, Kavli Inst Phys & Math Universe WPI, 5-1-5 Kashiwa No Ha, Kashiwa, Chiba 2778583, Japan

来源：

SUPERNOVA ENVIRONMENTAL IMPACTS | 2014年 / 9卷 / S296期

关键词：

supernovae:; general; CORE-COLLAPSE SUPERNOVAE; IA SUPERNOVA; LUMINOSITY FUNCTIONS; FACTORY OBSERVATIONS; PAIR-INSTABILITY; DISCOVERY; RATES; TRANSIENT; SEARCH;

D O I：

10.1017/S1743921313009253

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Not long ago the sample of well studied supernovae, which were gathered mostly through targeted surveys, was populated exclusively by events with absolute peak magnitudes fainter than about -20. Modern searches that select supernovae not just from massive hosts but from dwarfs as well have produced a new census with a surprising difference: a significant percentage of supernovae found in these flux limited surveys peak at -21 magnitude or brighter. The energy emitted by these superluminous supernovae in optical light alone rivals the total explosion energy available to typical core collapse supernovae (> 10(51) erg). This makes superluminous supernovae difficult to explain through standard models. Adding further complexity to this picture are the distinct observational properties of various superluminous supernovae. Some may be powered in part by interactions with a hydrogen-rich, circumstellar material but others appear to lack hydrogen altogether. Some could be powered by large stores of radioactive material, while others fade quickly and have stringent limits on 56-Ni production. In this talk I will discuss the current observational constrains on superluminous supernova and the prospects for revealing their origins.

引用

页码：68 / 76

页数：9

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