////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Tue 01 Apr 25 04:05:16 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250401an TRIGGER_DATE: 20766 TJD; 91 DOY; 2025/04/01 (yyyy/mm/dd) TRIGGER_TIME: 14689.066895 SOD {04:04:49.066895} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 15 = pycbc FAR: 1.048e-05 [Hz] (one per 1.1 days) (one per 0.00 years) PROB_NS: 1.00 [range is 0.0-1.0] PROB_REMNANT: 0.37 [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: 0.56 [range is 0.0-1.0] PROB_TERRES: 1.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x1898403 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250401an/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250401an/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: Tue 01 Apr 25 04:09:51 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250401an TRIGGER_DATE: 20766 TJD; 91 DOY; 2025/04/01 (yyyy/mm/dd) TRIGGER_TIME: 14689.066895 SOD {04:04:49.066895} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 15 = pycbc FAR: 1.048e-05 [Hz] (one per 1.1 days) (one per 0.00 years) PROB_NS: 1.00 [range is 0.0-1.0] PROB_REMNANT: 0.24 [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: 0.56 [range is 0.0-1.0] PROB_TERRES: 1.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x2898603 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250401an/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250401an/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.