////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Fri 28 Feb 25 22:20:58 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250228ep TRIGGER_DATE: 20734 TJD; 59 DOY; 2025/02/28 (yyyy/mm/dd) TRIGGER_TIME: 80431.195312 SOD {22:20:31.195312} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 5 = spiir FAR: 2.068e-05 [Hz] (one per 0.6 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: 0.07 [range is 0.0-1.0] PROB_MassGap: 0.06 [range is 0.0-1.0] PROB_TERRES: 0.93 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x1899403 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250228ep/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250228ep/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: Fri 28 Feb 25 22:25:34 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250228ep TRIGGER_DATE: 20734 TJD; 59 DOY; 2025/02/28 (yyyy/mm/dd) TRIGGER_TIME: 80431.195312 SOD {22:20:31.195312} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 5 = spiir FAR: 2.068e-05 [Hz] (one per 0.6 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: 0.07 [range is 0.0-1.0] PROB_MassGap: 0.06 [range is 0.0-1.0] PROB_TERRES: 0.93 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x2899603 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250228ep/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250228ep/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.