////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Sun 07 Sep 25 08:37:21 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250907bt TRIGGER_DATE: 20925 TJD; 250 DOY; 2025/09/07 (yyyy/mm/dd) TRIGGER_TIME: 31010.910823 SOD {08:36:50.910823} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 1 = MBTA FAR: 1.274e-05 [Hz] (one per 0.9 days) (one per 0.00 years) PROB_NS: 1.00 [range is 0.0-1.0] PROB_REMNANT: 0.02 [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: 0.65 [range is 0.0-1.0] PROB_TERRES: 1.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x1898803 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250907bt/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250907bt/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: Sun 07 Sep 25 08:41:56 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250907bt TRIGGER_DATE: 20925 TJD; 250 DOY; 2025/09/07 (yyyy/mm/dd) TRIGGER_TIME: 31010.910823 SOD {08:36:50.910823} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 1 = MBTA FAR: 1.274e-05 [Hz] (one per 0.9 days) (one per 0.00 years) PROB_NS: 1.00 [range is 0.0-1.0] PROB_REMNANT: 0.12 [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: 0.66 [range is 0.0-1.0] PROB_TERRES: 1.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x2898A03 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250907bt/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250907bt/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.