Possible Infrared Counterparts to the Soft Gamma-Ray Repeater SGR 1806−20 | Zendy

S. S. Eikenberry | Zendy; M. A. Garske | Zendy; D. Hu | Zendy; M. A. Jackson | Zendy; Shan G. Patel | Zendy; D. J. Barry | Zendy; Michael Colonno | Zendy; J. R. Houck | Zendy

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Possible Infrared Counterparts to the Soft Gamma-Ray Repeater SGR 1806−20

Author(s) -

S. S. Eikenberry,

M. A. Garske,

D. Hu,

M. A. Jackson,

Shan G. Patel,

D. J. Barry,

Michael Colonno,

J. R. Houck

Publication year - 2001

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/338360

Subject(s) - infrared , astrophysics , physics , extinction (optical mineralogy) , repeater (horology) , star (game theory) , absorption (acoustics) , astronomy , optics , computer science , artificial intelligence , encoding (memory)

We report the discovery of possible infrared counterparts to SGR 1806-20. Weuse archival {\it Chandra} observations to determine the location of SGR1806-20 to $<1 \arcsec$ accuracy. We then locate 2 infrared objects within thiserror circle in K-band ($2.2 \mu$m) images of this field. Based on the X-rayabsorption towards SGR 1806-20 and the extinction towards the nearby starcluster, we discuss the likelihood of association for the possiblecounterparts, and the implications for SGR 1806-20's physical properties andorigins.Comment: To appear in Astrophysical Journal Letters ; 12 pages, incl. 3 figure

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