{
  "bibcode": "2014GCN.16263....1P",
  "body": "B. Porterfield (PSU) and C. Pagani (U Leicester)\nreport on behalf of the Swift/UVOT team:\n\nThe Swift/UVOT began settled observations of the field of GRB 140512A\n106 s after the BAT trigger (Pagani et al., GCN Circ. 16249).\nWe can confirm the detection of a fading source  with the\nUVOT position\n  RA(J2000)  =\t19:17:28.78 = 289.36991\n  DEC(J2000) = -15:05:39.2  = -15.09423\n\nPreliminary detections and 3-sigma upper limits using the UVOT photometric\nsystem (Breeveld et al. 2011, AIP Conf. Proc. 1358, 373) for the\nfinding chart (FC) exposures and subsequent exposures are:\n\nFilter         T_start(s)   T_stop(s)      Exp(s)         Mag\n\nwhite (fc)         106          256          293       14.91 +/- 0.07\nwhite              106         1022          186       16.99 +/- 0.07\nwhite             1175         6197          412       19.07 +/- 0.08\nv                   88         1072           68       15.97 +/- 0.09\nv                 4973         6608          393       18.68 +/- 0.15\nb                  574         1344           76       16.84 +/- 0.08\nb                 5793         5992          196       19.56 +/- 0.19\nu (fc)             319          568          491       15.37 +/- 0.07\nu                 5587         7102          275       19.08 +/- 0.18\nuvw1               697         1295           58       17.52 +/- 0.19\nuvw1              5383         7018          393       20.10 +/- 0.34\nuvm2               672         1270           77      >18.71\nuvm2              5177         6812          393      >20.17\nuvw2               624         1220           77      >19.05\nuvw2              4769         6403          393      >20.47\n\nThe magnitudes in the table are not corrected for the Galactic extinction\ndue to the reddening of E(B-V) = 0.162 in the direction of the burst\n(Schlegel et al. 1998).",
  "circularId": 16263,
  "createdOn": 1400011712000,
  "email": "siegel@swift.psu.edu",
  "subject": "GRB 140512A: Continued UVOT Observations",
  "submitter": "Mike Siegel at PSU/Swift MOC  <siegel@swift.psu.edu>",
  "eventId": "GRB 140512A"
}