Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atel.1676....1b&link_type=abstract
The Astronomer's Telegram, #1676
Astronomy and Astrophysics
Astronomy
12
Soft Gamma-Ray Repeaters
Scientific paper
The Authors report on behalf of the Swift Team: On 2008-08-22, at 12:41:59, 13:09:04 UT, 13:12:52, and 17:29:29, Swift-BAT triggered on four short (less than 128 ms) bursts of soft gamma-rays (no significant flux above 100 keV) with an afterglow located by XRT at: RA(J2000) = 05h 01m 6.78s Dec(J2000) = +45d 16' 34.0" with an uncertainty of 2.6 arcseconds (radius, 90% containment). (GCN 8112, Holland et al.; GCN 8113, Barthelmy et al.; GCN 8115, Palmer & Barthelmy) The repetition, the short, soft nature of the pulses, and the proximity of the source to the Galactic plane allow us to identify this source as a previously unknown Soft Gamma Repeater: SGR 0501+4516.
Barthelmy Scott D.
Baumgartner Wayne H.
Beardmore Andrew P.
Burrows David N.
Cummings Jay R.
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