{
  "bibcode": "2018GCN.22921....1S",
  "body": "T. Sakamoto (AGU), S. D. Barthelmy (GSFC),\nJ. R. Cummings (CPI), H. A. Krimm (NSF/USRA),\nA. Y. Lien (GSFC/UMBC), C. B. Markwardt (GSFC),\nD. M. Palmer (LANL), M. Stamatikos (OSU),\nT. N. Ukwatta (LANL) (i.e. the Swift-BAT team):\n\nUsing the data set from T-240 to T+962 sec from the recent telemetry downlink,\nwe report further analysis of BAT GRB 180706A (trigger #846395)\n(Stamatikos et al., GCN Circ. 22909).  The BAT ground-calculated position is\nRA, Dec = 181.687, 66.044 deg which is\n  RA(J2000)  =  12h 06m 45.0s\n  Dec(J2000) = +66d 02' 40.1\"\nwith an uncertainty of 1.1 arcmin, (radius, sys+stat, 90% containment).\nThe partial coding was 86%.\n\nThe mask-weighted light curve shows a double-peaked structure that starts\nat ~T-20 s and ends at ~T+50 s. The smaller peak occurs at ~T+2 s, and\nthe larger peak happens at ~T+28 s. T90 (15-350 keV) is 42.7 +- 8.7 sec\n(estimated error including systematics).\n\nThe time-averaged spectrum from T-18.77 to T+50.99 sec is best fit by a simple\npower-law model.  The power law index of the time-averaged spectrum is\n1.90 +- 0.08.  The fluence in the 15-150 keV band is 2.4 +- 0.1 x 10^-6 erg/cm2.\nThe 1-sec peak photon flux measured from T+27.82 sec in the 15-150 keV band\nis 3.2 +- 0.2 ph/cm2/sec.  All the quoted errors are at the 90% confidence\nlevel.\n\nThe results of the batgrbproduct analysis are available at\nhttp://gcn.gsfc.nasa.gov/notices_s/846395/BA/",
  "circularId": 22921,
  "createdOn": 1530900717000,
  "email": "amy.y.lien@nasa.gov",
  "subject": "GRB 180706A: Swift-BAT refined analysis",
  "submitter": "Amy Lien at GSFC  <amy.y.lien@nasa.gov>",
  "eventId": "GRB 180706A"
}