{
  "bibcode": "2011GCN.11801....1H",
  "body": "S. T. Holland (CRESST/USRA/GSFC) &\nR. Margutti (INAF-OAB)\nreport on behalf of the Swift/UVOT team:\n\n     UVOT took a finding chart exposure of the field of GRB 110318B\n(Margutti et al. 2011, GCNC 11800) of 150 seconds with the White\nfilter starting 77 seconds after the BAT trigger.  No credible\nafterglow candidate has been found in the initial data products.  The\n2.7'x2.7' sub-image covers 100% of the XRT error circle.  The typical\n3-sigma upper limit has been about 19.6 mag. No correction has been\nmade for the expected extinction corresponding to E(B-V) of 0.46.",
  "circularId": 11801,
  "createdOn": 1300464034000,
  "email": "Stephen.T.Holland@nasa.gov",
  "subject": "GRB 110318B: Swift/UVOT Non-Detection of an Afterglow",
  "submitter": "Stephen Holland at USRA/NASA/GSFC/SSC  <Stephen.T.Holland@nasa.gov>",
  "eventId": "GRB 110318B"
}