{
  "bibcode": "2010GCN.10533....1W",
  "body": "Mark Wieringa (CSIRO), Alicia Soderberg (Harvard/CfA), and Phil Edwards\n(CSIRO) report:\n\n\"We observed the field of GRB 100316D (Stamatikos et al. GCN 10496) with\nthe Australia Telescope Compact Array beginning on Mar 18.35 for 3.5 hrs.\nData were collected at central frequencies of 5.4 and 9.0 GHz with 2 GHz\nbandwidth each.  We do not detect any radio sources within the refined\nXRT error circle (Starling et al. GCN 10519).  We place upper\nlimits of 104 microJy at 5.4 GHz and 165 microJy at 9.0 GHz (4 sigma).\nAt the redshift of the host galaxy (z=0.059; Vergani et al. GCN 10512),\nthese limits imply a radio spectral luminosity below 8e+27 erg/s/Hz\nwhich is a factor of 2 to 10 lower than the radio afterglow luminosities\nobserved for nearby long-duration GRBs 980425 (Kulkarni et al. 1998),\n031203 (Soderberg et al. 2004), and 060218 (Soderberg et al. 2006) on\ncomparable timescales.  Further observations are planned.\"",
  "circularId": 10533,
  "createdOn": 1269100342000,
  "email": "asoderbe@cfa.harvard.edu",
  "subject": "GRB 100316D: ATCA radio observations",
  "submitter": "Alicia Soderberg at Harvard/CfA  <asoderbe@cfa.harvard.edu>",
  "eventId": "GRB 100316D"
}