{
  "bibcode": "2017GCN.20879....1L",
  "body": "C. Littlefield and P. Garnavich (Notre Dame) report:\n\nWe obtained images of the field around\nthe optical transient ATLAS17cck (GCN 20877) which\nis within the localization region of LIGO/Virgo G277583.\nUnfiltered CCD images were taken using the 0.8-m\nKrizmanich telescope under poor conditions.\n\nWe detect a bright (r=16.5 mag) source at\n07:44:53.33 +24:45:52.9 (J2000) which is\nnot visible in the SDSS DR12 images. This source\nis 41 arcsec east of the position reported\nfor ATLAS17cck. Using MPChecker to\nsearch for minor planets we find that\n(1056) Azalea (V=16.3) was within 6 arcsec of\nthe position of ATLAS17cck at 2017 March 15.43 UT,\nthe time of the first ATLAS detection.\n\nIt is likely that minor planet Azalea is ATLAS17cck and\nwe suggest that fixed position photometry of this\nmoving source could mimic a fading transient.",
  "circularId": 20879,
  "createdOn": 1489638007000,
  "email": "pgarnavi@nd.edu",
  "subject": "LIGO/Virgo G277583: ATLAS17cck is likely a minor planet",
  "submitter": "Peter Garnavich at Notre Dame  <pgarnavi@nd.edu>",
  "eventId": "LIGO/Virgo G277583"
}