{
  "bibcode": "2016GCN.19207....1B",
  "body": "S. D. Barthelmy (GSFC), J. R. Cummings (GSFC/UMBC), N. Gehrels (GSFC),\nH. A. Krimm (GSFC/USRA), A. Y. Lien (GSFC/UMBC), C. B. Markwardt (GSFC),\nD. M. Palmer (LANL), T. Sakamoto (AGU), M. Stamatikos (OSU),\nT. N. Ukwatta (LANL) (i.e. the Swift-BAT team):\n\nUsing the data set from T-60 to T+303 sec from the recent telemetry\ndownlink,\nwe report further analysis of SGR 0755-2933 (trigger #679432)\n(Barthelmy, et al., GCN Circ. 19204).  The BAT ground-calculated position is\nRA, Dec = 118.863, -29.572 deg which is\n  RA(J2000)  =  07h 55m 27.0s\n  Dec(J2000) = -29d 34' 20.3\"\nwith an uncertainty of 3.4 arcmin, (radius, sys+stat, 90% containment).\nThe partial coding was 64%.\n\nThe mask-weighted light curve shows a single short spike of duration ~ 30\nms.\nThere is significant emission only below 50 keV. T90 (15-25 keV)\nis 0.024 +- 0.009 sec (estimated error including systematics).\n\nThe time-averaged spectrum from T-0.004 to T+0.024 sec is best fit by a\nsimple\npower-law model.  The power law index of the time-averaged spectrum is\n3.81 +- 0.74.  The fluence in the 15-150 keV band is 5.9 +- 1.8 x 10^-9\nerg/cm2.\nThe 1-sec peak photon flux measured from T-0.49 sec in the 15-150 keV band\nis 0.3 +- 0.1 ph/cm2/sec.  All the quoted errors are at the 90% confidence\nlevel.\n\nAs of T+19 hours, BAT has detected no further bursts from this source, and\nthe\nBAT on-board detection history shows no previous signs of activity over the\nlife\nof the mission since 2005.\n\nThe results of the batgrbproduct analysis are available at\nhttp://gcn.gsfc.nasa.gov/notices_s/679432/BA/",
  "circularId": 19207,
  "createdOn": 1458252648000,
  "email": "amy.y.lien@nasa.gov",
  "subject": "SGR 0755-2933, Swift-BAT refined analysis",
  "submitter": "Amy Lien at GSFC  <amy.y.lien@nasa.gov>"
}