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

2); D. Hu (1); D.J. Barry (1); J.R. Houck (1) ((1) Cornell University; (2) Northwest Nazarene University); M.A. Garske (1; M.A. Jackson (1); M.R. Colonno (1); S.G. Patel (1); S.S. Eikenberry (1)

arxiv: astro-ph/0110619 · v1 · submitted 2001-10-29 · 🌌 astro-ph

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

S.S. Eikenberry (1) , M.A. Garske (1 , 2) , D. Hu (1) , M.A. Jackson (1) , S.G. Patel (1) , D.J. Barry (1) , M.R. Colonno (1)

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J.R. Houck (1) ((1) Cornell University; (2) Northwest Nazarene University)

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keywords counterpartsinfraredpossibletowardsabsorptionaccuracyarchivalarcsec

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

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