{
  "bibcode": "2017GCN.21900....1R",
  "body": "R. Ricci (INAF), M. Wieringa (CSIRO), L. Piro (INAF)\nand E. Troja (UMD/GSFC) report:\n\nOn 15 Sep 2017, 3rd epoch of our monitoring campaign, we observed\nthe field of SSS17a (Coulter et al.,LVC GCN 21529) with the Australia\nTelescope Compact Array (ATCA) at the central frequencies of 16.7 and\n21.2 GHz, each with a bandwidth of 2 GHz.\n\nAt the position of the optical/IR source (Adams et al., LVC GCN 21816)\nwe report the following 3-sigma upper limit:\n\n17/21 GHz flux density < 42 uJy\n\nWe thank the CSIRO staff for approving and executing the observations.",
  "circularId": 21900,
  "createdOn": 1505976156000,
  "email": "nora.gsfc@gmail.com",
  "subject": "LIGO/Virgo G298048: ATCA monitoring of SSS17a in NGC 4993",
  "submitter": "Eleonora Troja at GSFC/Swift  <nora.gsfc@gmail.com>",
  "eventId": "LIGO/Virgo G298048"
}