//////////////////////////////////////////////////////////////////////
TITLE:            GCN/LVC NOTICE
NOTICE_DATE:      Sun 21 Apr 24 05:30:04 UT
NOTICE_TYPE:      LVC Preliminary
TRIGGER_NUM:      S240421ar
TRIGGER_DATE:     20421 TJD;   112 DOY;   2024/04/21 (yyyy/mm/dd)
TRIGGER_TIME:     19775.716047 SOD {05:29:35.716047} UT
SEQUENCE_NUM:     1
GROUP_TYPE:       1 = CBC
SEARCH_TYPE:      1 = AllSky
PIPELINE_TYPE:    4 = gstlal
FAR:              4.226e-06 [Hz]  (one per 2.7 days)  (one per 0.01 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:         0.33 [range is 0.0-1.0]
PROB_MassGap:     0.04 [range is 0.0-1.0]
PROB_TERRES:      0.67 [range is 0.0-1.0]
TRIGGER_ID:       0x10
MISC:             0x1898403
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S240421ar/files/bayestar.multiorder.fits,0
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S240421ar/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 21 Apr 24 05:31:00 UT
NOTICE_TYPE:      LVC Preliminary
TRIGGER_NUM:      S240421ar
TRIGGER_DATE:     20421 TJD;   112 DOY;   2024/04/21 (yyyy/mm/dd)
TRIGGER_TIME:     19775.734400 SOD {05:29:35.734400} UT
SEQUENCE_NUM:     2
GROUP_TYPE:       1 = CBC
SEARCH_TYPE:      8 = BBH
PIPELINE_TYPE:    2 = CWB
FAR:              3.597e-08 [Hz]  (one per 321.7 days)  (one per 0.88 years)
TRIGGER_ID:       0x10
MISC:             0x2898603
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S240421ar/files/cwb.multiorder.fits,0
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S240421ar/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 21 Apr 24 05:35:41 UT
NOTICE_TYPE:      LVC Preliminary
TRIGGER_NUM:      S240421ar
TRIGGER_DATE:     20421 TJD;   112 DOY;   2024/04/21 (yyyy/mm/dd)
TRIGGER_TIME:     19775.734400 SOD {05:29:35.734400} UT
SEQUENCE_NUM:     3
GROUP_TYPE:       1 = CBC
SEARCH_TYPE:      8 = BBH
PIPELINE_TYPE:    2 = CWB
FAR:              3.597e-08 [Hz]  (one per 321.7 days)  (one per 0.88 years)
TRIGGER_ID:       0x10
MISC:             0x3898603
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S240421ar/files/cwb.multiorder.fits,1
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S240421ar/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 21 Apr 24 06:16:38 UT
NOTICE_TYPE:      LVC Initial Skymap
TRIGGER_NUM:      S240421ar
TRIGGER_DATE:     20421 TJD;   112 DOY;   2024/04/21 (yyyy/mm/dd)
TRIGGER_TIME:     19775.734400 SOD {05:29:35.734400} UT
SEQUENCE_NUM:     4
GROUP_TYPE:       1 = CBC
SEARCH_TYPE:      8 = BBH
PIPELINE_TYPE:    2 = CWB
FAR:              3.597e-08 [Hz]  (one per 321.7 days)  (one per 0.88 years)
TRIGGER_ID:       0x10
MISC:             0x4898603
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S240421ar/files/cwb.multiorder.fits,1
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S240421ar/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 23 Apr 24 17:16:40 UT
NOTICE_TYPE:      LVC Update Skymap
TRIGGER_NUM:      S240421ar
TRIGGER_DATE:     20421 TJD;   112 DOY;   2024/04/21 (yyyy/mm/dd)
TRIGGER_TIME:     19775.734400 SOD {05:29:35.734400} UT
SEQUENCE_NUM:     5
GROUP_TYPE:       1 = CBC
SEARCH_TYPE:      8 = BBH
PIPELINE_TYPE:    2 = CWB
FAR:              3.597e-08 [Hz]  (one per 321.7 days)  (one per 0.88 years)
TRIGGER_ID:       0x10
MISC:             0x5898603
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S240421ar/files/Bilby.offline0.multiorder.fits,0
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S240421ar/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.