//////////////////////////////////////////////////////////////////////
TITLE:            GCN/LVC NOTICE
NOTICE_DATE:      Mon 31 Jul 23 21:53:40 UT
NOTICE_TYPE:      LVC Preliminary
TRIGGER_NUM:      S230731an
TRIGGER_DATE:     20156 TJD;   212 DOY;   2023/07/31 (yyyy/mm/dd)
TRIGGER_TIME:     78787.000000 SOD {21:53:07.000000} UT
SEQUENCE_NUM:     1
GROUP_TYPE:       1 = CBC
SEARCH_TYPE:      1 = AllSky
PIPELINE_TYPE:    4 = gstlal
FAR:              4.572e-27 [Hz]  (one per 2531548531494577766400.0 days)  (one per 6935749401355006976.00 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:         1.00 [range is 0.0-1.0]
PROB_MassGap:     0.12 [range is 0.0-1.0]
PROB_TERRES:      0.00 [range is 0.0-1.0]
TRIGGER_ID:       0x10
MISC:             0x1898403
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S230731an/files/bayestar.multiorder.fits,1
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S230731an/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 31 Jul 23 21:58:18 UT
NOTICE_TYPE:      LVC Preliminary
TRIGGER_NUM:      S230731an
TRIGGER_DATE:     20156 TJD;   212 DOY;   2023/07/31 (yyyy/mm/dd)
TRIGGER_TIME:     78787.000000 SOD {21:53:07.000000} UT
SEQUENCE_NUM:     2
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:        0.18 [range is 0.0-1.0]
PROB_BBH:         0.81 [range is 0.0-1.0]
PROB_MassGap:     0.05 [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/S230731an/files/bayestar.multiorder.fits,2
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S230731an/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 31 Jul 23 22:13:36 UT
NOTICE_TYPE:      LVC Initial Skymap
TRIGGER_NUM:      S230731an
TRIGGER_DATE:     20156 TJD;   212 DOY;   2023/07/31 (yyyy/mm/dd)
TRIGGER_TIME:     78787.000000 SOD {21:53:07.000000} UT
SEQUENCE_NUM:     3
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:        0.18 [range is 0.0-1.0]
PROB_BBH:         0.81 [range is 0.0-1.0]
PROB_MassGap:     0.05 [range is 0.0-1.0]
PROB_TERRES:      0.00 [range is 0.0-1.0]
TRIGGER_ID:       0x10
MISC:             0x3898603
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S230731an/files/bayestar.multiorder.fits,2
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S230731an/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:      Tue 01 Aug 23 00:58:06 UT
NOTICE_TYPE:      LVC Update Skymap
TRIGGER_NUM:      S230731an
TRIGGER_DATE:     20156 TJD;   212 DOY;   2023/07/31 (yyyy/mm/dd)
TRIGGER_TIME:     78787.000000 SOD {21:53:07.000000} UT
SEQUENCE_NUM:     4
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:        0.18 [range is 0.0-1.0]
PROB_BBH:         0.81 [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:             0x4898603
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S230731an/files/Bilby.multiorder.fits,0
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S230731an/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.