////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Sat 20 Apr 24 04:30:13 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S240420aw TRIGGER_DATE: 20420 TJD; 111 DOY; 2024/04/20 (yyyy/mm/dd) TRIGGER_TIME: 15765.508485 SOD {04:22:45.508485} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 2.054e-05 [Hz] (one per 0.6 days) (one per 0.00 years) PROB_NS: 0.10 [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: 0.06 [range is 0.0-1.0] PROB_MassGap: 0.04 [range is 0.0-1.0] PROB_TERRES: 0.94 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x1898403 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S240420aw/files/bayestar.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S240420aw/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: Sat 20 Apr 24 04:30:52 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S240420aw TRIGGER_DATE: 20420 TJD; 111 DOY; 2024/04/20 (yyyy/mm/dd) TRIGGER_TIME: 15765.509470 SOD {04:22:45.509470} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 7.142e-10 [Hz] (one per 16206.4 days) (one per 44.40 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: 1.00 [range is 0.0-1.0] PROB_MassGap: 0.02 [range is 0.0-1.0] PROB_TERRES: 0.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x2898603 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S240420aw/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S240420aw/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: Sat 20 Apr 24 04:35:40 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S240420aw TRIGGER_DATE: 20420 TJD; 111 DOY; 2024/04/20 (yyyy/mm/dd) TRIGGER_TIME: 15765.509470 SOD {04:22:45.509470} UT SEQUENCE_NUM: 3 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 4 = gstlal FAR: 7.142e-10 [Hz] (one per 16206.4 days) (one per 44.40 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: 1.00 [range is 0.0-1.0] PROB_MassGap: 0.02 [range is 0.0-1.0] PROB_TERRES: 0.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x3898607 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S240420aw/files/bayestar.multiorder.fits,2 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S240420aw/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_RETRACTION NOTICE NOTICE_DATE: Sat 20 Apr 24 05:06:26 UT NOTICE_TYPE: LVC Retraction TRIGGER_NUM: S240420aw TRIGGER_DATE: 20420 TJD; 111 DOY; 2024/04/20 (yyyy/mm/dd) TRIGGER_TIME: 15765.509470 SOD {04:22:45.509470} UT SEQUENCE_NUM: 4 TRIGGER_ID: 0x30 MISC: 0x4898700 COMMENTS: LVC Retraction of a previous Alert. COMMENTS: COMMENTS: NOTE: This is a RETRACTION. The trigger is no longer considered to be astrophysical in origin. COMMENTS: This event is an OpenAlert.