////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Sun 28 Sep 25 20:03:12 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250928fb TRIGGER_DATE: 20946 TJD; 271 DOY; 2025/09/28 (yyyy/mm/dd) TRIGGER_TIME: 72164.854492 SOD {20:02:44.854492} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 15 = pycbc FAR: 8.028e-06 [Hz] (one per 1.4 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: 0.00 [range is 0.0-1.0] PROB_TERRES: 1.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x1899803 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250928fb/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250928fb/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 28 Sep 25 20:07:47 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250928fb TRIGGER_DATE: 20946 TJD; 271 DOY; 2025/09/28 (yyyy/mm/dd) TRIGGER_TIME: 72164.850585 SOD {20:02:44.850585} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 15 = pycbc FAR: 8.028e-06 [Hz] (one per 1.4 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: 0.00 [range is 0.0-1.0] PROB_TERRES: 1.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x2899A03 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250928fb/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250928fb/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.