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TITLE:            GCN/LVC NOTICE
NOTICE_DATE:      Fri 18 Aug 23 11:09:06 UT
NOTICE_TYPE:      LVC Preliminary
TRIGGER_NUM:      S230818an
TRIGGER_DATE:     20174 TJD;   230 DOY;   2023/08/18 (yyyy/mm/dd)
TRIGGER_TIME:     40081.000000 SOD {11:08:01.000000} UT
SEQUENCE_NUM:     1
GROUP_TYPE:       2 = Burst
SEARCH_TYPE:      8 = BBH
PIPELINE_TYPE:    2 = CWB
FAR:              1.813e-05 [Hz]  (one per 0.6 days)  (one per 0.00 years)
CENTRAL_FREQ:     28.16 [Hz]
DURATION:         0.05 [sec]
TRIGGER_ID:       0x10
MISC:             0x1898403
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S230818an/files/cwb.multiorder.fits,0
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S230818an/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.  
 
 
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TITLE:            GCN/LVC NOTICE
NOTICE_DATE:      Fri 18 Aug 23 11:13:39 UT
NOTICE_TYPE:      LVC Preliminary
TRIGGER_NUM:      S230818an
TRIGGER_DATE:     20174 TJD;   230 DOY;   2023/08/18 (yyyy/mm/dd)
TRIGGER_TIME:     40081.000000 SOD {11:08:01.000000} UT
SEQUENCE_NUM:     2
GROUP_TYPE:       2 = Burst
SEARCH_TYPE:      8 = BBH
PIPELINE_TYPE:    2 = CWB
FAR:              1.813e-05 [Hz]  (one per 0.6 days)  (one per 0.00 years)
CENTRAL_FREQ:     28.16 [Hz]
DURATION:         0.05 [sec]
TRIGGER_ID:       0x10
MISC:             0x2898603
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S230818an/files/cwb.multiorder.fits,1
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S230818an/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.