////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Mon 20 Oct 25 02:58:24 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S251020u TRIGGER_DATE: 20968 TJD; 293 DOY; 2025/10/20 (yyyy/mm/dd) TRIGGER_TIME: 10678.206729 SOD {02:57:58.206729} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 5.894e-06 [Hz] (one per 2.0 days) (one per 0.01 years) PROB_NS: 0.00 [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: 0.00 [range is 0.0-1.0] PROB_BBH: 0.21 [range is 0.0-1.0] PROB_MassGap: 0.02 [range is 0.0-1.0] PROB_TERRES: 0.79 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x189D407 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S251020u/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S251020u/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. COMMENTS: VIRGO Observatory contributed to this candidate event. ////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Mon 20 Oct 25 03:03:01 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S251020u TRIGGER_DATE: 20968 TJD; 293 DOY; 2025/10/20 (yyyy/mm/dd) TRIGGER_TIME: 10678.199340 SOD {02:57:58.199340} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 5.894e-06 [Hz] (one per 2.0 days) (one per 0.01 years) PROB_NS: 0.00 [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: 0.00 [range is 0.0-1.0] PROB_BBH: 0.21 [range is 0.0-1.0] PROB_MassGap: 0.02 [range is 0.0-1.0] PROB_TERRES: 0.79 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x289D607 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S251020u/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S251020u/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. COMMENTS: VIRGO Observatory contributed to this candidate event.