{
  "bibcode": "2013GCN.14728....1O",
  "body": "S. R. Oates (MSSL-UCL) and V. D'Elia (ASDC)\nreport on behalf of the Swift/UVOT team:\n\nThe Swift/UVOT began settled observations of the field of GRB 130529A\n123 s after the BAT trigger (D'Elia et al., GCN Circ. 14717).\nNo optical afterglow consistent with the XRT position\n(Osborne et al. GCN Circ. 14723)\nis detected in the initial UVOT exposures.\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           123          272          147         >21.6\nu_FC               281          530          246         >20.8\nwhite              123         7633          824         >22.1\nv                  611        12979         1237         >20.8\nb                  536        19245         1031         >21.1\nu                  281        18726         1641         >21.5\nw1                 660        17812         1415         >21.6\nm2                 635        13481          822         >21.0\nw2                 587        12064         1275         >21.8\n\nThe magnitudes in the table are not corrected for the Galactic extinction\ndue to the reddening of E(B-V) = 0.02 in the direction of the burst\n(Schlegel et al. 1998).",
  "circularId": 14728,
  "createdOn": 1369917932000,
  "email": "sro@mssl.ucl.ac.uk",
  "subject": "GRB 130529A: Swift/UVOT Upper Limits",
  "submitter": "Samantha Oates at MSSL  <sro@mssl.ucl.ac.uk>",
  "eventId": "GRB 130529A"
}