{
  "bibcode": "2007GCN..6037....1I",
  "body": "S. Immler (NASA/USRA) and L. Vetere (PSU) report on the behalf of the\nSwift UVOT team:\n\nThe Swift/UVOT began observing the field of the possible burst GRB 070126\n123 seconds after the BAT trigger (Vetere et al., GCN 6027).  No optical\nafterglow candidate is detected in the BAT error circle within the first \n100 s\nWhite exposure or in a coadded 590 s image, down to a limiting magnitude\nof 21.0 (3-sigma).  The other UVOT filters only cover a small fraction\n(around 25%) of the BAT error circle.\n\nNo correction has been made for the expected extinction corresponding to\nE(B-V) = 0.05 mag (Schlegel et al. 1998).",
  "circularId": 6037,
  "createdOn": 1169832178000,
  "email": "immler@milkyway.gsfc.nasa.gov",
  "subject": "Possible GRB 070126: Swift/UVOT Upper Limit",
  "submitter": "Stefan Immler at NASA/GSFC  <immler@milkyway.gsfc.nasa.gov>",
  "eventId": "GRB 070126"
}