{
  "bibcode": "2020GCN.27085....1M",
  "body": "Przemek Mroz (Caltech), Mariusz Gromadzki (Warsaw), Andrzej Udalski\n(Warsaw), on behalf of the OGLE team:\n\nMASTER OT J044008.76-651302.3 (GCN 27077) is located in the field LMC542\nthat is regularly observed by the <a\nhref=\"http://ogle.astrouw.edu.pl/\">OGLE</a>\nsurvey (Udalski et al. 2015). The object was detected on images taken on\n2020-02-04 and 2020-02-12, before the LIGO/Virgo trigger. It is therefore\nunrelated to S200213t.\n\nI-band magnitudes:\n\n2020-02-04 03:29:43UT 19.61\n2020-02-12 01:53:19UT 18.91",
  "circularId": 27085,
  "createdOn": 1581794628000,
  "email": "pmroz@astrouw.edu.pl",
  "subject": "LIGO/Virgo S200213t: Pre-discovery detections of MASTER OT J044008.76-651302.3",
  "submitter": "Przemek Mroz at Warsaw U. Observatory  <pmroz@astrouw.edu.pl>",
  "eventId": "LIGO/Virgo S200213t"
}