{
  "bibcode": "2009GCN..9587....1H",
  "body": "E. A. Hoversten and V. Mangano (INAF-IASFPA) report on behalf of the Swift UVOT\nteam:\n\nUVOT took a finding chart exposure of 150 seconds with the White filter\nstarting 2790 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 0.18.",
  "circularId": 9587,
  "createdOn": 1246233302000,
  "email": "hoversten@astro.psu.edu",
  "subject": "GRB 090628: Swift/UVOT Finding Chart Observation",
  "submitter": "Erik Hoversten at Swift/Penn State  <hoversten@astro.psu.edu>",
  "eventId": "GRB 090628"
}