////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Tue 16 Sep 25 01:35:01 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250916c TRIGGER_DATE: 20934 TJD; 259 DOY; 2025/09/16 (yyyy/mm/dd) TRIGGER_TIME: 5673.471679 SOD {01:34:33.471679} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 5 = spiir FAR: 6.945e-06 [Hz] (one per 1.7 days) (one per 0.00 years) PROB_NS: 0.66 [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: 0.26 [range is 0.0-1.0] PROB_MassGap: 0.06 [range is 0.0-1.0] PROB_TERRES: 0.73 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x1898C06 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250916c/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250916c/view/ COMMENTS: LVC Preliminary Trigger Alert. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Livingston Observatory contributed to this candidate event. COMMENTS: VIRGO Observatory contributed to this candidate event. ////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Tue 16 Sep 25 01:39:37 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250916c TRIGGER_DATE: 20934 TJD; 259 DOY; 2025/09/16 (yyyy/mm/dd) TRIGGER_TIME: 5673.471679 SOD {01:34:33.471679} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 5 = spiir FAR: 6.945e-06 [Hz] (one per 1.7 days) (one per 0.00 years) PROB_NS: 0.66 [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: 0.26 [range is 0.0-1.0] PROB_MassGap: 0.06 [range is 0.0-1.0] PROB_TERRES: 0.73 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x2898E06 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250916c/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250916c/view/ COMMENTS: LVC Preliminary Trigger Alert. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Livingston Observatory contributed to this candidate event. COMMENTS: VIRGO Observatory contributed to this candidate event.