{
  "bibcode": "2005GCN..4340....1B",
  "body": "A. J. Blustin (UCL-MSSL), V. La Parola (INAF-IASF), M. Chester (PSU),\nL. Angelini (GSFC-JHU), N. Gehrels (GSFC) on behalf of the Swift/UVOT team\n\nThe Swift/UVOT began observing the field of GRB 051211b at 01:05:32 on\n2005-12-12, ~3 hours after the INTEGRAL trigger (Mereghetti et al.,\nGCN 4327). No source was detected at either the XRT (Pagani et al.,\nGCN 4332) or Magellan (Klotz et al., GCN 4328) positions in summed\nimages down to the following 3-sigma upper limits (not corrected for \nextinction).\n\nFilter   T_range(hours)  Exp(s)  3sigUL(mag)\n\nV        3-11.5          7165    21.0\nM2       3.25-11.75      7279    21.3",
  "circularId": 4340,
  "createdOn": 1134396163000,
  "email": "ajb@mssl.ucl.ac.uk",
  "subject": "GRB 051211B: Swift/UVOT upper limits",
  "submitter": "Alexander Blustin at MSSL-UCL  <ajb@mssl.ucl.ac.uk>",
  "eventId": "GRB 051211B"
}