////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Wed 01 Oct 25 14:56:28 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S251001bk TRIGGER_DATE: 20949 TJD; 274 DOY; 2025/10/01 (yyyy/mm/dd) TRIGGER_TIME: 53754.944530 SOD {14:55:54.944530} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 6.156e-06 [Hz] (one per 1.9 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: 0.24 [range is 0.0-1.0] PROB_MassGap: 0.02 [range is 0.0-1.0] PROB_TERRES: 0.76 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x1898803 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/MS251001o/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/MS251001o/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 NOTICE NOTICE_DATE: Wed 01 Oct 25 15:01:07 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S251001bk TRIGGER_DATE: 20949 TJD; 274 DOY; 2025/10/01 (yyyy/mm/dd) TRIGGER_TIME: 53754.944535 SOD {14:55:54.944535} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 4.289e-06 [Hz] (one per 2.7 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: 0.28 [range is 0.0-1.0] PROB_MassGap: 0.02 [range is 0.0-1.0] PROB_TERRES: 0.72 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x2898A03 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S251001bk/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S251001bk/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.