////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Wed 15 Oct 25 22:29:59 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S251015et TRIGGER_DATE: 20963 TJD; 288 DOY; 2025/10/15 (yyyy/mm/dd) TRIGGER_TIME: 80941.240823 SOD {22:29:01.240823} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 1 = MBTA FAR: 9.979e-06 [Hz] (one per 1.2 days) (one per 0.00 years) PROB_NS: 1.00 [range is 0.0-1.0] PROB_REMNANT: 0.81 [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: 0.00 [range is 0.0-1.0] PROB_MassGap: 0.22 [range is 0.0-1.0] PROB_TERRES: 1.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x1899407 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S251015et/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S251015et/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: Wed 15 Oct 25 22:34:34 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S251015et TRIGGER_DATE: 20963 TJD; 288 DOY; 2025/10/15 (yyyy/mm/dd) TRIGGER_TIME: 80941.240823 SOD {22:29:01.240823} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 1 = MBTA FAR: 9.979e-06 [Hz] (one per 1.2 days) (one per 0.00 years) PROB_NS: 1.00 [range is 0.0-1.0] PROB_REMNANT: 0.78 [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: 0.00 [range is 0.0-1.0] PROB_MassGap: 0.46 [range is 0.0-1.0] PROB_TERRES: 1.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x2899607 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S251015et/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S251015et/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.