{
  "bibcode": "2020GCN.28483....1E",
  "body": "P.A. Evans (U. Leicester), A. D���ai (INAF-IASFPA) and M. J. Moss (GWU)\nreport on behalf of the Swift-XRT team:\n\nThe enhanced-XRT position reported in GCN Circ. 28473 was a particularly poor\nposition and has been improved and shifted by the receipt of further data, as\nnoted by Izzo et al (GCN. Circ. 28478).\n\nThe best XRT position, available at\nhttps://www.swift.ac.uk/xrt_positions/00997024/ is RA, Dec = 296.95364,\n-55.20442 degrees which is equivalent to:\n\nRA (J2000)  = 19h 47m 48.87s\nDec (J2000)  = -55d 12' 15.9���\n\nwith an uncertainty of 1.5��� (radius, 90% confidence). This position is\nconsistent with the source seen by UVOT and LCO (GCN Circs. 28471, 28478).\n\nIt is normal for the XRT position to evolve slightly as new data are received, with\nthe website always being the source of the most recent position. In the case of\nthis GRB, the first visibility window for Swift was very short, and the\nsatellite attitude appears to have been less stable than usual; this resulted in\nthe position in GCN 28473 being unusually inaccurate.\n\nThis circular is an official product of the Swift-XRT team.",
  "circularId": 28483,
  "createdOn": 1600866667000,
  "email": "pae9@leicester.ac.uk",
  "subject": "Improved enhanced Swift-XRT position of GRB 200922A",
  "submitter": "Phil Evans at U of Leicester  <pae9@leicester.ac.uk>",
  "eventId": "GRB 200922A"
}