//////////////////////////////////////////////////////////////////////
TITLE:            GCN/LVC NOTICE
NOTICE_DATE:      Sun 26 Oct 25 21:16:38 UT
NOTICE_TYPE:      LVC Preliminary
TRIGGER_NUM:      S251026bn
TRIGGER_DATE:     20974 TJD;   299 DOY;   2025/10/26 (yyyy/mm/dd)
TRIGGER_TIME:     76565.294921 SOD {21:16:05.294921} UT
SEQUENCE_NUM:     1
GROUP_TYPE:       1 = CBC
SEARCH_TYPE:      1 = AllSky
PIPELINE_TYPE:    15 = pycbc
FAR:              3.168e-10 [Hz]  (one per 36533.1 days)  (one per 100.09 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:        0.04 [range is 0.0-1.0]
PROB_BBH:         0.96 [range is 0.0-1.0]
PROB_MassGap:     0.11 [range is 0.0-1.0]
PROB_TERRES:      0.00 [range is 0.0-1.0]
TRIGGER_ID:       0x10
MISC:             0x1898803
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S251026bn/files/bayestar.multiorder.fits,0
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S251026bn/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:      Sun 26 Oct 25 21:21:15 UT
NOTICE_TYPE:      LVC Preliminary
TRIGGER_NUM:      S251026bn
TRIGGER_DATE:     20974 TJD;   299 DOY;   2025/10/26 (yyyy/mm/dd)
TRIGGER_TIME:     76565.295776 SOD {21:16:05.295776} UT
SEQUENCE_NUM:     2
GROUP_TYPE:       1 = CBC
SEARCH_TYPE:      1 = AllSky
PIPELINE_TYPE:    4 = gstlal
FAR:              4.831e-12 [Hz]  (one per 2395996.9 days)  (one per 6564.38 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:     0.08 [range is 0.0-1.0]
PROB_TERRES:      0.00 [range is 0.0-1.0]
TRIGGER_ID:       0x10
MISC:             0x2898A03
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S251026bn/files/bayestar.multiorder.fits,1
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S251026bn/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:      Sun 26 Oct 25 21:50:11 UT
NOTICE_TYPE:      LVC Initial Skymap
TRIGGER_NUM:      S251026bn
TRIGGER_DATE:     20974 TJD;   299 DOY;   2025/10/26 (yyyy/mm/dd)
TRIGGER_TIME:     76565.295776 SOD {21:16:05.295776} UT
SEQUENCE_NUM:     3
GROUP_TYPE:       1 = CBC
SEARCH_TYPE:      1 = AllSky
PIPELINE_TYPE:    4 = gstlal
FAR:              4.831e-12 [Hz]  (one per 2395996.9 days)  (one per 6564.38 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:     0.08 [range is 0.0-1.0]
PROB_TERRES:      0.00 [range is 0.0-1.0]
TRIGGER_ID:       0x10
MISC:             0x3898A03
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S251026bn/files/bayestar.multiorder.fits,1
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S251026bn/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.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:            GCN/LVC NOTICE
NOTICE_DATE:      Mon 27 Oct 25 02:35:40 UT
NOTICE_TYPE:      LVC Update Skymap
TRIGGER_NUM:      S251026bn
TRIGGER_DATE:     20974 TJD;   299 DOY;   2025/10/26 (yyyy/mm/dd)
TRIGGER_TIME:     76565.295776 SOD {21:16:05.295776} UT
SEQUENCE_NUM:     4
GROUP_TYPE:       1 = CBC
SEARCH_TYPE:      1 = AllSky
PIPELINE_TYPE:    4 = gstlal
FAR:              4.831e-12 [Hz]  (one per 2395996.9 days)  (one per 6564.38 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:     0.08 [range is 0.0-1.0]
PROB_TERRES:      0.00 [range is 0.0-1.0]
TRIGGER_ID:       0x10
MISC:             0x4898A03
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S251026bn/files/Bilby.multiorder.fits,0
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S251026bn/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.