{
  "bibcode": "2020GCN.27006....1S",
  "body": "GRB 200205B: Swift/UVOT Detection\n\nK. K. Simpson (PSU) and P. A. Evans (U. Leicester)\nreport on behalf of the Swift/UVOT team:\n\nThe Swift/UVOT began settled observations of the field of GRB 200205B\n352 s after the BAT trigger (Evans et al., GCN Circ. 26993).\nA source consistent with the XRT position\n(Evans et al. GCN Circ. 26993)\nis detected in the initial UVOT exposures.\n\nThe preliminary UVOT position is:\n    RA  (J2000) =  07:11:09.15 = 107.78812 (deg.)\n    Dec (J2000) = -56:29:15.3  = -56.48759 (deg.)\nwith an estimated uncertainty of 0.42 arc sec. (radius, 90% confidence).\n\nPreliminary detections and 3-sigma upper limits using the UVOT photometric\nsystem\n(Breeveld et al. 2011, AIP Conf. Proc. 1358, 373) for the early exposures\nare:\n\nFilter         T_start(s)   T_stop(s)      Exp(s)           Mag\n\nwhite           6386           6586          196          18.92+-0.10\nwhite           383            1042           478          16.81+-0.03\nv                  540             733          38             16.88 +/-\n0.17\nb                  638            833           38             17.74 +/-\n0.15\nu                  614            808           38             17.25 +/-\n0.16\nw1                 589           783           38            16.88+-0.20\nm2                 564          758           38             17.12 +/- 0.28\nw2                 689          1056         46              >17.77\n\nThe magnitudes in the table are not corrected for the Galactic extinction\ndue to the reddening of E(B-V) = 0.11 in the direction of the burst\n(Schlegel et al. 1998).",
  "circularId": 27006,
  "createdOn": 1581043605000,
  "email": "kira.simpson1984@gmail.com",
  "subject": "GRB 200205B: Swift/UVOT Detection",
  "submitter": "Kira Simpson at PSU  <kira.simpson1984@gmail.com>",
  "eventId": "GRB 200205B"
}