{
  "bibcode": "2014GCN.16604....1H",
  "body": "L. M. Z. Hagen (PSU) and K. L. Page (U. Leicester) report on behalf\nof the Swift/UVOT team:\n\nThe Swift/UVOT began settled observations of the field of GRB 140716A\n34072 s after the BAT trigger (Cummings, GCN Circ. 16596). No optical\nafterglow consistent with the XRT candidate (Page, GCN Circ. 16600) or\nGROND candidate (Knust et al., GCN Circ. 16601) is detected in the initial\nUVOT exposures.\nPreliminary 3-sigma upper limits using the UVOT photometric system\n(Breeveld et al. 2011, AIP Conf. Proc. 1358, 373) for the initial exposures are:\n\nFilter         T_start(s)   T_stop(s)      Exp(s)         Mag\n\nu (fc)           34072        34367          291        >19.17\nu                40452        56904         1860        >20.20\nv                40559        57641         1125        >19.52\n\nThe magnitudes in the table are not corrected for the Galactic extinction\ndue to the reddening of E(B-V) = 0.131 in the direction of the burst\n(Schlegel et al. 1998).",
  "circularId": 16604,
  "createdOn": 1405628613000,
  "email": "lea.zernow.hagen@gmail.com",
  "subject": "GRB 140716A: Swift/UVOT Upper Limits",
  "submitter": "Lea Hagen at PSU  <lea.zernow.hagen@gmail.com>",
  "eventId": "GRB 140716A"
}