{
  "bibcode": "2015GCN.17436....1C",
  "body": "M. M. Chester (Penn State) and R. L. C. Starling (U. Leicester) report on \nbehalf of the Swift/UVOT team:\n\nUVOT took a finding chart exposure of 150 seconds with the White filter\nstarting 2115 seconds after the BAT trigger. No credible afterglow candidate\nhas been found in the initial data products. The 2.7'x2.7' sub-image covers\n100% of the XRT error circle. The typical 3-sigma upper limit has been about\n19.6 mag. The 8'x8' region for the list of sources generated on-board covers\n100% of the XRT error circle. The list of sources is typically complete to\nabout 18 mag. No correction has been made for the expected extinction\ncorresponding to E(B-V) of 0.02.",
  "circularId": 17436,
  "createdOn": 1423659895000,
  "email": "chester@swift.psu.edu",
  "subject": "GRB 150211A: No afterglow detection in the Swift/UVOT initial observation",
  "submitter": "Margaret Chester at PSU  <chester@swift.psu.edu>",
  "eventId": "GRB 150211A"
}