////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Mon 01 Sep 25 19:00:07 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250901cb TRIGGER_DATE: 20919 TJD; 244 DOY; 2025/09/01 (yyyy/mm/dd) TRIGGER_TIME: 68381.955078 SOD {18:59:41.955078} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 0 = undefined FAR: 3.154e-10 [Hz] (one per 36693.3 days) (one per 100.53 years) TRIGGER_ID: 0x10 MISC: 0x1898C03 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250901cb/files/amplfi.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250901cb/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 19:04:44 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250901cb TRIGGER_DATE: 20919 TJD; 244 DOY; 2025/09/01 (yyyy/mm/dd) TRIGGER_TIME: 68381.965331 SOD {18:59:41.965331} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 3.193e-14 [Hz] (one per 362481843.2 days) (one per 993100.94 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: 1.00 [range is 0.0-1.0] PROB_MassGap: 0.00 [range is 0.0-1.0] PROB_TERRES: 0.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x2898E07 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250901cb/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250901cb/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. COMMENTS: VIRGO Observatory contributed to this candidate event. ////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Mon 01 Sep 25 19:32:31 UT NOTICE_TYPE: LVC Initial Skymap TRIGGER_NUM: S250901cb TRIGGER_DATE: 20919 TJD; 244 DOY; 2025/09/01 (yyyy/mm/dd) TRIGGER_TIME: 68381.965331 SOD {18:59:41.965331} UT SEQUENCE_NUM: 3 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 3.193e-14 [Hz] (one per 362481843.2 days) (one per 993100.94 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: 1.00 [range is 0.0-1.0] PROB_MassGap: 0.00 [range is 0.0-1.0] PROB_TERRES: 0.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x3898E07 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250901cb/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250901cb/view/ COMMENTS: LVC Super Initial Skymap -- a location probability map. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Hanford Observatory contributed to this candidate event. COMMENTS: LIGO-Livingston Observatory contributed to this candidate event. COMMENTS: VIRGO Observatory contributed to this candidate event. ////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Tue 02 Sep 25 09:54:40 UT NOTICE_TYPE: LVC Update Skymap TRIGGER_NUM: S250901cb TRIGGER_DATE: 20919 TJD; 244 DOY; 2025/09/01 (yyyy/mm/dd) TRIGGER_TIME: 68381.965331 SOD {18:59:41.965331} UT SEQUENCE_NUM: 4 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 3.193e-14 [Hz] (one per 362481843.2 days) (one per 993100.94 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: 1.00 [range is 0.0-1.0] PROB_MassGap: 0.00 [range is 0.0-1.0] PROB_TERRES: 0.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x4898E07 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250901cb/files/Bilby.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250901cb/view/ COMMENTS: LVC Super Updated Skymap -- a location probability map. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Hanford Observatory contributed to this candidate event. COMMENTS: LIGO-Livingston Observatory contributed to this candidate event. COMMENTS: VIRGO Observatory contributed to this candidate event.