{
  "bibcode": "2001GCN..1052....1F",
  "body": "D. W. Fox and D. L. Kaplan (Caltech) report:  \n\n\"The PSF parameters quoted in GCN 1049 for the 22 April 2001 Chandra\nobservation of SGR 1900+14 are in units of ACIS pixels, not arcseconds\nas reported.  The correct on- and off-pulse PSF sigma values for the\nbest-fit Gaussians are 0.98(1) and 1.08(2) pixels, or 0.480(5) and\n0.53(1) arcseconds, respectively.\"",
  "circularId": 1052,
  "createdOn": 988364660000,
  "email": "derekfox@astro.caltech.edu",
  "subject": "SGR 1900+14: Correction to GCN 1049",
  "submitter": "Derek Fox at CIT  <derekfox@astro.caltech.edu>"
}