{
  "bibcode": "2007GCN..6567....1S",
  "body": "B. Sbarufatti (INAF-IASF Pa),  P. A. Evans (LU) report  on behalf of  \nthe Swift team\n\nUsing 746 s of overlapping XRT Photon Counting mode and UVOT V-band\ndata, we find an astrometrically corrected X-ray position (using the  \nXRT-UVOT\nalignment and matching UVOT field sources to the USNO-B1 catalogue):  \nRA, Dec =\n323.79225, -24.81752 which is equivalent to:\n\nRA (J2000):  21 35 10.10\nDec (J2000): -24 49 03.1\n\nwith an uncertainty of 2.0 arcsec (90% confidence).",
  "circularId": 6567,
  "createdOn": 1182502575000,
  "email": "sbarufatti@ifc.inaf.it",
  "subject": "GRB 070621: UVOT-enhanced XRT position",
  "submitter": "Boris Sbarufatti at INAF-IASF-Pa  <sbarufatti@ifc.inaf.it>",
  "eventId": "GRB 070621"
}