{
  "bibcode": "2009GCN..9439....1F",
  "body": "H. Flewelling (IfA), B. E. Schaefer (Louisiana State), Shashi Pandey (UMich)\nreport on behalf of the ROTSE collaboration:\n\nROTSE-IIIb, located at McDonald Observatory, Texas, responded to GRB 090530A\n(Swift trigger 353567). The first image was at 03:18:35.8 UT, 17.4 s after\nthe burst (6.8 s after the GCN notice time). The unfiltered images are\ncalibrated relative to USNO A2.0. We detect a new object, not visible in the\nDSS (second epoch), with coordinates:\n\n     11:57:40.5      +26:35:37.9    (J2000), with positional uncertainty of\n1\" or better\n\nstart UT    \tmag     mlim(of image)\n----------------------------------\n03:18:42.7     16.0     16.2\n\nA jpeg image is available at\nhttp://www.rotse.net/images/gsb353567_3b00_img.jpg Note that the object\nmarked 48 is the candidate in question.\n\nContinuing observations are in progress.",
  "circularId": 9439,
  "createdOn": 1243654224000,
  "email": "flewelling.heather@gmail.com",
  "subject": "GRB 090530A: ROTSE-III Detection of Optical Counterpart",
  "submitter": "Heather Flewelling at IfA/Hawaii  <flewelling.heather@gmail.com>",
  "eventId": "GRB 090530A"
}