Possible infrared counterparts to the soft gamma-ray repeater SGR 1806-20

被引：23

作者：

Elkenberry, SS

Garske, MA

Hu, D

Jackson, MA

Patel, SG

Barry, DJ

Colonno, MR

Houck, JR

机构：

[1] Cornell Univ, Dept Astron, Ithaca, NY 14853 USA

[2] NW Nazarene Univ, Dept Phys, Nampa, ID 83686 USA

来源：

ASTROPHYSICAL JOURNAL | 2001年 / 563卷 / 02期

关键词：

gamma rays : bursts; stars : neutron; supernova remnants; X-rays : stars;

D O I：

10.1086/338360

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the discovery of possible infrared counterparts to SGR 1806-20. We use archival Chandra observations to determine the location of SGR 1806-20 to less than 1 " accuracy. We then locate two infrared objects within this error circle in K-band (2.2 mum) images of this field. Based on the X-ray absorption toward SGR 1806-20 and the extinction toward the nearby star cluster, we discuss the likelihood of association for the possible counterparts and the implications for SGR 1806-20's physical properties and origins.

引用

页码：L133 / L137

页数：5

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