{
  "bibcode": "2016GCN.19024....1C",
  "body": "S. Campana (INAF-OAB), G. Cusumano (INAF-IASF PA), P.A. Evans (U.\nLeicester), J.P. Osborne (U. Leicester), D.N. Burrows (PSU) and J.A.\nKennea (PSU) report on behalf of the Swift-XRT team:\n\nThe XRT began observing the field of GRB 160220A at 02:19:23.8 UT,\n3238.1 seconds after the BAT trigger. Using promptly downlinked data we\nfind an uncatalogued X-ray source located at RA, Dec 236.95167,\n-18.56501 which is equivalent to:\n   RA(J2000)  = 15h 47m 48.40s\n   Dec(J2000) = -18d 33' 54.0\"\nwith an uncertainty of 3.9 arcseconds (radius, 90% containment). This\nlocation is 97 arcseconds from the BAT onboard position, within the BAT\nerror circle. This position may be improved as more data are received;\nthe latest position is available at http://www.swift.ac.uk/sper.  We\ncannot determine whether the source is fading 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 1.09\nx 10^21 cm^-2 (Willingale et al. 2013).",
  "circularId": 19024,
  "createdOn": 1455938029000,
  "email": "pae9@leicester.ac.uk",
  "subject": "GRB 160220A: Swift-XRT observations",
  "submitter": "Phil Evans at U of Leicester  <pae9@leicester.ac.uk>",
  "eventId": "GRB 160220A"
}