////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Fri 20 Dec 19 12:27:31 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S191220af TRIGGER_DATE: 18837 TJD; 354 DOY; 2019/12/20 (yyyy/mm/dd) TRIGGER_TIME: 44654.690032 SOD {12:24:14.690032} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 3.964e-10 [Hz] (one per 29200.2 days) (one per 80.00 years) PROB_NS: 1.00 [range is 0.0-1.0] PROB_REMNANT: 1.00 [range is 0.0-1.0] PROB_BNS: 0.99 [range is 0.0-1.0] PROB_NSBH: 0.00 [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: 0.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x1898406 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S191220af/files/bayestar.fits.gz,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S191220af/view/ COMMENTS: LVC Preliminary Trigger Alert. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Livingston Observatory contributed to this candidate event. COMMENTS: VIRGO Observatory contributed to this candidate event. ////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Fri 20 Dec 19 12:33:00 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S191220af TRIGGER_DATE: 18837 TJD; 354 DOY; 2019/12/20 (yyyy/mm/dd) TRIGGER_TIME: 44654.690032 SOD {12:24:14.690032} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 3.964e-10 [Hz] (one per 29200.2 days) (one per 80.00 years) PROB_NS: 1.00 [range is 0.0-1.0] PROB_REMNANT: 1.00 [range is 0.0-1.0] PROB_BNS: 0.99 [range is 0.0-1.0] PROB_NSBH: 0.00 [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: 0.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x2898606 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S191220af/files/bayestar.fits.gz,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S191220af/view/ COMMENTS: LVC Preliminary Trigger Alert. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Livingston Observatory contributed to this candidate event. COMMENTS: VIRGO Observatory contributed to this candidate event. ////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC_RETRACTION NOTICE NOTICE_DATE: Fri 20 Dec 19 12:52:49 UT NOTICE_TYPE: LVC Retraction TRIGGER_NUM: S191220af TRIGGER_DATE: 18837 TJD; 354 DOY; 2019/12/20 (yyyy/mm/dd) TRIGGER_TIME: 44654.690032 SOD {12:24:14.690032} UT SEQUENCE_NUM: 3 TRIGGER_ID: 0x30 MISC: 0x3898700 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.