////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Wed 20 Nov 19 16:31:13 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S191120aj TRIGGER_DATE: 18807 TJD; 324 DOY; 2019/11/20 (yyyy/mm/dd) TRIGGER_TIME: 59014.438461 SOD {16:23:34.438461} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 1 = MBTAOnline FAR: 2.860e-08 [Hz] (one per 404.7 days) (one per 1.11 years) PROB_NS: 1.00 [range is 0.0-1.0] PROB_REMNANT: 0.00 [range is 0.0-1.0] PROB_BNS: 0.00 [range is 0.0-1.0] PROB_NSBH: 0.60 [range is 0.0-1.0] PROB_BBH: 0.00 [range is 0.0-1.0] PROB_MassGap: 0.00 [range is 0.0-1.0] PROB_TERRES: 0.39 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x1898403 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S191120aj/files/bayestar.fits.gz,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S191120aj/view/ COMMENTS: LVC Preliminary Trigger Alert. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Hanford Observatory contributed to this candidate event. COMMENTS: LIGO-Livingston Observatory contributed to this candidate event. ////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC_RETRACTION NOTICE NOTICE_DATE: Wed 20 Nov 19 16:40:24 UT NOTICE_TYPE: LVC Retraction TRIGGER_NUM: S191120aj TRIGGER_DATE: 18807 TJD; 324 DOY; 2019/11/20 (yyyy/mm/dd) TRIGGER_TIME: 59014.438461 SOD {16:23:34.438461} UT SEQUENCE_NUM: 2 TRIGGER_ID: 0x30 MISC: 0x2898700 COMMENTS: LVC Retraction of a previous Alert. COMMENTS: COMMENTS: NOTE: This is a RETRACTION. The trigger is no longer considered to be astrophysical in origin. COMMENTS: This event is an OpenAlert.