{
  "bibcode": "2015GCN.17452....1E",
  "body": "P.A. Evans (U. Leicester) reports on behalf of the Swift-XRT team:\n\nThe XRT began observing the field at 11:03:12.7 UT, 353.7 seconds after\nthe BAT trigger. Due to passage of the spacecraft through the South \nAtlantic Anomaly, no XRT data were collected until T0+1805 s.\n\nUsing promptly downlinked data we find an uncatalogued\nX-ray source located at RA, Dec 285.48092, 47.36602 which is equivalent\nto:\n    RA(J2000)  = 19h 01m 55.42s\n    Dec(J2000) = +47d 21' 57.7\"\nwith an uncertainty of 4.3 arcseconds (radius, 90% containment). This\nlocation is 176 arcseconds from the BAT onboard position, within the\nBAT error circle. This position may be improved as more data are\nreceived; the latest position is available at\nhttp://www.swift.ac.uk/sper.  We cannot determine whether the source is\nfading at the present time.\n\nA power-law fit to a spectrum formed from promptly downlinked event\ndata gives a column density consistent with the Galactic value of 5.20\nx 10^20 cm^-2 (Willingale et al. 2013).\n\nThis circular is an official product of the Swift-XRT team.",
  "circularId": 17452,
  "createdOn": 1423742315000,
  "email": "pae9@leicester.ac.uk",
  "subject": "GRB 150212A: Swift-XRT afterglow detection",
  "submitter": "Phil Evans at U of Leicester  <pae9@leicester.ac.uk>",
  "eventId": "GRB 150212A"
}