LIGO/Virgo/KAGRA Public Alerts

  • More details about public alerts are provided in the LIGO/Virgo/KAGRA Alerts User Guide.
  • Retractions are marked in red. Retraction means that the candidate was manually vetted and is no longer considered a candidate of interest.

O3 Detection Candidates: 56 (80 Total - 24 Retracted)


Event ID Possible Source (Probability) UTC GCN Location FAR Comments GPS
S200112r BBH (>99%) 1262879936.09Jan. 12, 2020
15:58:38 UTC
GCN Circulars
Notices | VOE
0.000000000012829846251 per 2469.9 years 1262879936.09
S200108v BBH (>99%) 1262512856.56Jan. 8, 2020
10:00:38 UTC
GCN Circulars
Notices | VOE
0.000000000000266889921 per 1.1873e+05 years RETRACTED 1262512856.56
S200106av Terrestrial (>99%) 1262370881.58Jan. 6, 2020
18:34:23 UTC
GCN Circulars
Notices | VOE
0.000000031276819356661 per 1.0131 years RETRACTED 1262370881.58
S200106au Terrestrial (93%), NSBH (7%) 1262370887.29Jan. 6, 2020
18:34:29 UTC
GCN Circulars
Notices | VOE
0.000000003660500791371 per 8.6568 years RETRACTED 1262370887.29
S200105ae Terrestrial (97%), NSBH (3%) 1262276684.06Jan. 5, 2020
16:24:26 UTC
GCN Circulars
Notices | VOE
0.0000007671711717426724.21 per year 1262276684.06
S191225aq Terrestrial (61%), MassGap (39%) 1261346253.87Dec. 25, 2019
21:57:15 UTC
GCN Circulars
Notices | VOE
0.000000012670183368981 per 2.501 years RETRACTED 1261346253.87
S191222n BBH (>99%) 1261020955.12Dec. 22, 2019
03:35:37 UTC
GCN Circulars
Notices | VOE
0.000000000006459095211 per 4906 years 1261020955.12
S191220af BNS (>99%) 1260879872.69Dec. 20, 2019
12:24:14 UTC
GCN Circulars
Notices | VOE
0.000000000396317530991 per 79.956 years RETRACTED 1260879872.69
S191216ap BBH (99%) 1260567236.47Dec. 16, 2019
21:33:38 UTC
GCN Circulars
Notices | VOE
0.000000000000000000001 per 2.8035e+15 years 1260567236.47
S191215w BBH (>99%) 1260484270.33Dec. 15, 2019
22:30:52 UTC
GCN Circulars
Notices | VOE
0.000000001006461740511 per 31.485 years 1260484270.33
S191213ai NSBH (85%), Terrestrial (15%) 1260287963.90Dec. 13, 2019
15:59:05 UTC
GCN Circulars
Notices | VOE
0.000000020035273965861 per 1.5816 years RETRACTED 1260287963.90
S191213g BNS (77%), Terrestrial (23%) 1260246866.14Dec. 13, 2019
04:34:08 UTC
GCN Circulars
Notices | VOE
0.000000035482395919001.1197 per year 1260246866.14
S191212q Terrestrial (51%), NSBH (49%) 1260174466.64Dec. 12, 2019
08:27:28 UTC
GCN Circulars
Notices | VOE
0.000000033687030000001.0631 per year RETRACTED 1260174466.64
S191205ah NSBH (93%), Terrestrial (7%) 1259617946.57Dec. 5, 2019
21:52:08 UTC
GCN Circulars
Notices | VOE
0.000000012483929381971 per 2.5383 years 1259617946.57
S191204r BBH (>99%) 1259514944.09Dec. 4, 2019
17:15:26 UTC
GCN Circulars
Notices | VOE
0.000000000000000000001 per 1.0324e+17 years 1259514944.09