{
  "bibcode": "2010GCN.10668....1E",
  "body": "P.A. Evans (U. Leicester) reports on behalf of the Swift-XRT team:\n\nUsing 1.4 ks of promptly downlinked XRT data and 1 promptly available UVOT image\nwe find an enhanced position of the XRT afterglow of GRB 100424A (Hoversten et\nal., GCN Circ. 10667) of RA, Dec 209.4478, 1.5386 which is equivalent to:\n   RA(J2000)  = 13h 57m 47.44s\n   Dec(J2000) = +01d 32' 18.8\"\nwith an uncertainty of 2.0 arcseconds (radius, 90% containment). Analysis of the\npromptly available data is online at http://www.swift.ac.uk/sper/420367.\n\nPosition enhancement is described by Goad et al. (2007, A&A, 476, 1401) and\nEvans et al. (2009, MNRAS, 397, 1177).\n\nThis circular is an official product of the Swift-XRT team.",
  "circularId": 10668,
  "createdOn": 1272129026000,
  "email": "pae9@star.le.ac.uk",
  "subject": "GRB 100424A: Prompt enhanced Swift-XRT position.",
  "submitter": "Phil Evans at U of Leicester  <pae9@star.le.ac.uk>",
  "eventId": "GRB 100424A"
}