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TITLE:            GCN/LVC NOTICE
NOTICE_DATE:      Fri 17 Oct 25 21:08:19 UT
NOTICE_TYPE:      LVC Early_Warning
TRIGGER_NUM:      S251017di
TRIGGER_DATE:     20965 TJD;   290 DOY;   2025/10/17 (yyyy/mm/dd)
TRIGGER_TIME:     76090.105494 SOD {21:08:10.105494} UT
SEQUENCE_NUM:     1
GROUP_TYPE:       1 = CBC
SEARCH_TYPE:      0 = undefined
PIPELINE_TYPE:    4 = gstlal
FAR:              7.042e-08 [Hz]  (one per 164.4 days)  (one per 0.45 years)
PROB_NS:          1.00 [range is 0.0-1.0]
PROB_REMNANT:     1.00 [range is 0.0-1.0]
PROB_BNS:         0.02 [range is 0.0-1.0]
PROB_NSBH:        0.00 [range is 0.0-1.0]
PROB_BBH:         0.00 [range is 0.0-1.0]
PROB_MassGap:     0.00 [range is 0.0-1.0]
PROB_TERRES:      0.98 [range is 0.0-1.0]
TRIGGER_ID:       0x10
MISC:             0x1899003
SKYMAP_FITS_URL:  https://gracedb.ligo.org/api/superevents/S251017di/files/bayestar.multiorder.fits,0
EVENTPAGE_URL:    https://gracedb.ligo.org/superevents/S251017di/view/
COMMENTS:         LVC Early_Warning 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_RETRACTION NOTICE
NOTICE_DATE:      Fri 17 Oct 25 21:19:24 UT
NOTICE_TYPE:      LVC Retraction
TRIGGER_NUM:      S251017di
TRIGGER_DATE:     20965 TJD;   290 DOY;   2025/10/17 (yyyy/mm/dd)
TRIGGER_TIME:     76090.105494 SOD {21:08:10.105494} UT
SEQUENCE_NUM:     2
TRIGGER_ID:       0x30
MISC:             0x2899300
COMMENTS:         LVC Retraction of a previous Alert.  
COMMENTS:            
COMMENTS:         NOTE: This is a RETRACTION.  The trigger is no longer considered to be astrophysical in origin.  
COMMENTS:         This event is an OpenAlert.