////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Tue 23 Sep 25 14:22:41 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250923cj TRIGGER_DATE: 20941 TJD; 266 DOY; 2025/09/23 (yyyy/mm/dd) TRIGGER_TIME: 51715.510592 SOD {14:21:55.510592} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 1 = MBTA FAR: 9.692e-06 [Hz] (one per 1.2 days) (one per 0.00 years) PROB_NS: 1.00 [range is 0.0-1.0] PROB_REMNANT: 0.00 [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: 0.00 [range is 0.0-1.0] PROB_MassGap: 0.08 [range is 0.0-1.0] PROB_TERRES: 1.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x1898C01 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250923cj/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250923cj/view/ COMMENTS: LVC Preliminary Trigger Alert. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Hanford Observatory contributed to this candidate event. ////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Tue 23 Sep 25 14:27:15 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250923cj TRIGGER_DATE: 20941 TJD; 266 DOY; 2025/09/23 (yyyy/mm/dd) TRIGGER_TIME: 51715.510592 SOD {14:21:55.510592} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 1 = MBTA FAR: 9.692e-06 [Hz] (one per 1.2 days) (one per 0.00 years) PROB_NS: 1.00 [range is 0.0-1.0] PROB_REMNANT: 0.00 [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: 0.00 [range is 0.0-1.0] PROB_MassGap: 0.09 [range is 0.0-1.0] PROB_TERRES: 1.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x2898E01 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250923cj/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250923cj/view/ COMMENTS: LVC Preliminary Trigger Alert. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Hanford Observatory contributed to this candidate event.