{
  "bibcode": "2014GCN.16397....1K",
  "body": "N. P. M. Kuin (UCL-MSSL) and K. L. Page (U Leicester)\nreport on behalf of the Swift/UVOT team:\n\nThe Swift/UVOT began settled observations of the field of GRB 140614A\n132 s after the BAT trigger (Page et al., GCN Circ. 16391).\nNo optical afterglow consistent with the XRT position\n(Beardmore et al. GCN Circ. 16393)\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           132          281          147         >21.5\nu_FC               290          539          246         >20.5\nwhite              132          763          186         >21.6\nv                  620         1668           39         >19.1\nb                  546          739           39         >19.6\nu                  290          714          265         >20.5\nw1                 670         1718           39         >19.1\nm2                 645         1693           39         >18.9\nw2                 596          783           34         >20.4\n\nThe magnitudes in the table are not corrected for the Galactic extinction\ndue to the reddening of E(B-V) = 0.12 in the direction of the burst\n(Schlegel et al. 1998).",
  "circularId": 16397,
  "createdOn": 1402755103000,
  "email": "npkuin@gmail.com",
  "subject": "GRB 140614A: Swift/UVOT Upper Limits",
  "submitter": "Paul Kuin at MSSL  <npkuin@gmail.com>",
  "eventId": "GRB 140614A"
}