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.
- Less-significant events are marked in grey, and are not manually vetted. Consult the LVK Alerts User Guide for more information on significance in O4.
- Less-significant events are not shown by default. Press "Show All Public Events" to show significant and less-significant events.
O4 Significant Detection Candidates: 1201 (1201 Total - 0 Retracted)
O4 Low Significance Detection Candidates: 549 (Total)
Show All Public Events
| Event ID | Possible Source (Probability) | Significant | UTC | GCN | Location | FAR | Comments | GPS | S251020fe | BNS (73%), NSBH (25%), Terrestrial (2%) | Yes |
1445000585.76Oct. 20, 2025 13:02:47 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000316754584221 per 100.04 years | 1445000585.76 | S251020ex | BNS (98%), Terrestrial (2%) | Yes |
1444996745.95Oct. 20, 2025 11:58:47 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000316754584221 per 100.04 years | 1444996745.95 | S251020el | BBH (>99%) | Yes |
1444993161.84Oct. 20, 2025 10:59:03 UTC |
GCN Circular Query Notices | VOE |
|
0.000000010452901279401 per 3.0315 years | 1444993161.84 | S251020eg | Yes |
1444991626.15Oct. 20, 2025 10:33:28 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000258711287251 per 122.48 years | 1444991626.15 | S251020ef | NSBH (95%), Terrestrial (4%), BBH (1%) | Yes |
1444991369.97Oct. 20, 2025 10:29:11 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000316754584221 per 100.04 years | 1444991369.97 | S251020dz | NSBH (93%), BBH (7%) | Yes |
1444988810.07Oct. 20, 2025 09:46:32 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000002542486001 per 12463 years | 1444988810.07 | S251020dy | BBH (73%), Terrestrial (27%) | Yes |
1444988298.38Oct. 20, 2025 09:38:00 UTC |
GCN Circular Query Notices | VOE |
|
0.000000006465920000001 per 4.9008 years | 1444988298.38 | S251020dw | BNS (72%), Terrestrial (28%) | Yes |
1444987530.13Oct. 20, 2025 09:25:12 UTC |
GCN Circular Query Notices | VOE |
|
0.000000003225121000001 per 9.8254 years | 1444987530.13 | S251020du | Yes |
1444986249.85Oct. 20, 2025 09:03:51 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000002254861861 per 14053 years | 1444986249.85 | S251020dr | BBH (>99%) | Yes |
1444984969.78Oct. 20, 2025 08:42:31 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000003753012001 per 8443.4 years | 1444984969.78 | S251020de | BBH (51%), NSBH (47%), Terrestrial (2%) | Yes |
1444981642.08Oct. 20, 2025 07:47:04 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000316754584221 per 100.04 years | 1444981642.08 | S251020cx | BBH (99%) | Yes |
1444979081.94Oct. 20, 2025 07:04:23 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000192057000001 per 164.99 years | 1444979081.94 | S251020cq | Yes |
1444976797.71Oct. 20, 2025 06:26:19 UTC |
GCN Circular Query Notices | VOE |
|
0.000000002067660000001 per 15.326 years | 1444976797.71 | S251020cp | NSBH (76%), BBH (22%), Terrestrial (2%) | Yes |
1444976778.10Oct. 20, 2025 06:26:00 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000316754584221 per 100.04 years | 1444976778.10 | S251020cm | BBH (>99%) | Yes |
1444976010.10Oct. 20, 2025 06:13:12 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000000000107581 per 2.9454e+08 years | 1444976010.10 |
|---|
