Searching for an IR counterpart of the Soft Gamma Repeater SGR 1806-20

Details Searching for an IR counterpart of the Soft Gamma Repeater SGR 1806-20 Searching for an IR counterpart of the Soft Gamma Repeater SGR 1806-20

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004hst..prop10442k&link_type=abstract

HST Proposal ID #10442

Computer Science

Hst Proposal Id #10442

Scientific paper

We propose to observe the field of the Soft Gamma Repeater, SGR 1806-20, with HST/NICMOS to identify its infrared counterpart by comparison to images of the field in quiescence and moderate activity. The source has recently emitted two very intense and rare flares in the X-rays leading to a significant increase in its persistent X-ray emission. Should the source follow the trend observed for a similar object, namely the AXP 1E2259+586, which exhibited IR and X-ray emission rising and falling in tandem, this extreme current SGR activity is probably the only source state, where we would be able to detect an IR counterpart for Soft Gamma Repeaters.

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