////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Mon 01 Sep 25 06:54:54 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250901an TRIGGER_DATE: 20919 TJD; 244 DOY; 2025/09/01 (yyyy/mm/dd) TRIGGER_TIME: 24869.136196 SOD {06:54:29.136196} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 1.330e-05 [Hz] (one per 0.9 days) (one per 0.00 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: 0.11 [range is 0.0-1.0] PROB_MassGap: 0.01 [range is 0.0-1.0] PROB_TERRES: 0.89 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x1898403 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250901an/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250901an/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: Mon 01 Sep 25 06:59:29 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250901an TRIGGER_DATE: 20919 TJD; 244 DOY; 2025/09/01 (yyyy/mm/dd) TRIGGER_TIME: 24869.134398 SOD {06:54:29.134398} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 8.784e-06 [Hz] (one per 1.3 days) (one per 0.00 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: 0.13 [range is 0.0-1.0] PROB_MassGap: 0.01 [range is 0.0-1.0] PROB_TERRES: 0.87 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x2898603 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250901an/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250901an/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.