Possible Infrared Counterparts to the Soft Gamma-Ray Repeater SGR 1806-20
Preprint
- 29 October 2001
Abstract
We report the discovery of possible infrared counterparts to SGR 1806-20. We use archival {\it Chandra} observations to determine the location of SGR 1806-20 to $<1 \arcsec$ accuracy. We then locate 2 infrared objects within this error circle in K-band ($2.2 \mu$m) images of this field. Based on the X-ray absorption towards SGR 1806-20 and the extinction towards 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.
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All Related Versions
- Version 1, 2001-10-29, ArXiv
- Published version: The Astrophysical Journal, 563 (2), L133.
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