Hyperstars - Main origin of short gamma-ray bursts?

被引：1
|
作者：
Dar, Arnon [1 ]
机构：
[1] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel
[2] Technion Israel Inst Technol, Space Res Inst, IL-32000 Haifa, Israel
来源：
CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS | 2006年 / 6卷
关键词：
stars; stars : neutron; GRB;
D O I：
10.1088/1009-9271/6/S1/41
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Short-duration hard-spectrum gamma ray bursts (SHBs) such as 050509B, 050709, 050724 and 050813 could have been the narrowly beamed initial spike of hyperflares of soft gamma ray repeaters (SGRs) in galaxies at cosmological distances. Such bursts are expected if SGRs are young hyperstars, i.e., neutron stars where a considerable fraction of their neutrons have converted to hyperons and/or strange quark matter.
引用
收藏
页码：323 / 329
页数：7
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