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TITLE:            GCN/LVC NOTICE
NOTICE_DATE:      Mon 21 Aug 23 21:50:55 UT
NOTICE_TYPE:      LVC Preliminary
TRIGGER_NUM:      S230821ck
TRIGGER_DATE:     20177 TJD;   233 DOY;   2023/08/21 (yyyy/mm/dd)
TRIGGER_TIME:     78534.000000 SOD {21:48:54.000000} UT
SEQUENCE_NUM:     1
GROUP_TYPE:       2 = Burst
SEARCH_TYPE:      8 = BBH
PIPELINE_TYPE:    2 = CWB
FAR:              3.309e-06 [Hz]  (one per 3.5 days)  (one per 0.01 years)
CENTRAL_FREQ:     21.09 [Hz]
DURATION:         0.03 [sec]
TRIGGER_ID:       0x10
MISC:             0x1898C03
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S230821ck/files/cwb.multiorder.fits,0
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S230821ck/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 21 Aug 23 21:55:30 UT
NOTICE_TYPE:      LVC Preliminary
TRIGGER_NUM:      S230821ck
TRIGGER_DATE:     20177 TJD;   233 DOY;   2023/08/21 (yyyy/mm/dd)
TRIGGER_TIME:     78534.000000 SOD {21:48:54.000000} UT
SEQUENCE_NUM:     2
GROUP_TYPE:       2 = Burst
SEARCH_TYPE:      8 = BBH
PIPELINE_TYPE:    2 = CWB
FAR:              3.309e-06 [Hz]  (one per 3.5 days)  (one per 0.01 years)
CENTRAL_FREQ:     21.09 [Hz]
DURATION:         0.03 [sec]
TRIGGER_ID:       0x10
MISC:             0x2898E03
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S230821ck/files/cwb.multiorder.fits,1
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S230821ck/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.