{
  "bibcode": "2018GCN.22669....1I",
  "body": "The IceCube Collaboration (http://icecube.wisc.edu/) reports:\n\nOn Mon 23 Apr 18 02:29:12 UT IceCube issued an alert\n( https://gcn.gsfc.nasa.gov/notices_amon/71165249_130949.amon ) \nreporting the detection of a a track-like, very-high-energy-event.\nThe event was identified by the High Energy Starting Event (HESE) selection.\nInitial localization reported was RA, Dec: 294.8820, 71.9530 deg (J2000)\nwith an online estimate of the 90% PSF uncertainty of 8.9 deg.\n\nVisual inspection reveals that the event is the coincidence of a down-going\nbackground muon track and a cascade. The fast online HESE event\nselection does not have the ability to cut away such coincident events.\n\nWe apologize for any confusion this may have caused.\n\nThe IceCube Neutrino Observatory is a cubic-kilometer neutrino detector\noperating at the geographic South Pole, Antarctica. The IceCube realtime\nalert point of contact can be reached at roc@icecube.wisc.edu .",
  "circularId": 22669,
  "createdOn": 1524453953000,
  "email": "ckopper@icecube.wisc.edu",
  "subject": "Retraction of IceCube GCN/AMON NOTICE 71165249_130949",
  "submitter": "Claudio Kopper at IceCube/U of Alberta  <ckopper@icecube.wisc.edu>"
}