{
  "bibcode": "2012GCN.13297....1H",
  "body": "E. A. Hoversten (PSU) and V. Mangano (INAF-IASFPA)\nreport on behalf of the Swift/UVOT team:\n\nThe Swift/UVOT began settled observations of the field of GRB 120514A\n110 s after the BAT trigger (Mangano et al., GCN Circ. 13289).\nNo optical afterglow consistent with the enhanced XRT position\n(Evans et al., GCN Circ. 13292) is detected in the initial UVOT  \nexposures.\nPreliminary 3-sigma upper limits using the UVOT photometric system\n(Breeveld et al. 2011, AIP Conf. Proc. 1358, 373) for the first\nfinding chart (FC) exposure and subsequent exposures are:\n\nFilter         T_start(s)   T_stop(s)      Exp(s)         Mag\n\nwhite_FC           110          260          147         >20.6\nu_FC               324          574          246         >20.5\nwhite              110         1029          295         >20.9\nu                  324          574          246         >20.5\n\nThe magnitudes in the table are not corrected for the Galactic  \nextinction\ndue to the reddening of E(B-V) = 1.63 in the direction of the burst\n(Schlegel et al. 1998).",
  "circularId": 13297,
  "createdOn": 1337013744000,
  "email": "hoversten@astro.psu.edu",
  "subject": "GRB 120514A: Swift/UVOT Upper Limits",
  "submitter": "Erik Hoversten at Swift/Penn State  <hoversten@astro.psu.edu>",
  "eventId": "GRB 120514A"
}