TITLE: GCN CIRCULAR NUMBER: 8388 SUBJECT: GRB 081017: Swift detection of a burst DATE: 08/10/17 23:52:01 GMT FROM: David Palmer at LANL O. Godet (U Leicester), S. D. Barthelmy (GSFC), P. A. Evans (U Leicester), S. T. Holland (CRESST/USRA/GSFC), J. A. Kennea (PSU), K. L. Page (U Leicester), D. M. Palmer (LANL), M. Stamatikos (NASA/ORAU), T. N. Ukwatta (GSFC/GWU) and L. Vetere (PSU) report on behalf of the Swift Team: At 23:38:12 UT, the Swift Burst Alert Telescope (BAT) triggered and located GRB 081017 (trigger=331964). This was too close to the Sun for Swift to slew to. The BAT on-board calculated location is RA, Dec 230.180, -32.815 which is RA(J2000) = 15h 20m 43s Dec(J2000) = -32d 48' 53" with an uncertainty of 3 arcmin (radius, 90% containment, including systematic uncertainty). As is usual for an image trigger, the immediately available BAT light curve shows no obvious variation. Due to an observing constraint, Swift cannot slew to the BAT position. There will thus be no XRT or UVOT data for this trigger. Burst Advocate for this burst is O. Godet (og19 AT star.le.ac.uk). Please contact the BA by email if you require additional information regarding Swift followup of this burst. In extremely urgent cases, after trying the Burst Advocate, you can contact the Swift PI by phone (see Swift TOO web site for information: http://www.swift.psu.edu/too.html.)