////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Fri 12 Sep 25 20:04:57 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250912x TRIGGER_DATE: 20930 TJD; 255 DOY; 2025/09/12 (yyyy/mm/dd) TRIGGER_TIME: 72257.576443 SOD {20:04:17.576443} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 5.297e-07 [Hz] (one per 21.9 days) (one per 0.06 years) PROB_NS: 0.00 [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: 0.76 [range is 0.0-1.0] PROB_MassGap: 0.01 [range is 0.0-1.0] PROB_TERRES: 0.24 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x189E006 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250912x/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250912x/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: Fri 12 Sep 25 20:09:31 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250912x TRIGGER_DATE: 20930 TJD; 255 DOY; 2025/09/12 (yyyy/mm/dd) TRIGGER_TIME: 72257.571654 SOD {20:04:17.571654} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 7.854e-08 [Hz] (one per 147.4 days) (one per 0.40 years) PROB_NS: 0.00 [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: 0.94 [range is 0.0-1.0] PROB_MassGap: 0.00 [range is 0.0-1.0] PROB_TERRES: 0.06 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x289E206 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250912x/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250912x/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.