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: 160 (178 Total - 18 Retracted)
O4 Low Significance Detection Candidates: 2690 (Total)
Show All Public Events
| Event ID | Possible Source (Probability) | Significant | UTC | GCN | Location | FAR | Comments | GPS | S230731an | BBH (81%), NSBH (18%) | Yes |
1374875605.89July 31, 2023 21:53:07 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000316754584221 per 100.04 years | 1374875605.89 | S230729z | BBH (>99%) | Yes |
1374654215.20July 29, 2023 08:23:17 UTC |
GCN Circular Query Notices | VOE |
|
0.000000003393122427941 per 9.3389 years | 1374654215.20 | S230726a | BBH (>99%) | Yes |
1374366598.06July 26, 2023 00:29:40 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000000038320541 per 8.2692e+05 years | 1374366598.06 | S230723ac | BBH (87%), Terrestrial (13%) | Yes |
1374142732.45July 23, 2023 10:18:34 UTC |
GCN Circular Query Notices | VOE |
|
0.000000053302440000001.6821 per year | 1374142732.45 |
|---|---|---|---|---|---|---|---|---|
| S230715bw | NSBH (91%), BBH (9%) | Yes |
1373483155.95July 15, 2023 19:05:37 UTC |
GCN Circular Query Notices | VOE |
|
0.000000007843396154781 per 4.0401 years | RETRACTED | 1373483155.95 |
| S230712a | BBH (>99%) | Yes |
1373158455.74July 12, 2023 00:53:57 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000000003269081 per 9.6933e+06 years | RETRACTED | 1373158455.74 | S230709bi | BBH (>99%) | Yes |
1372940865.20July 9, 2023 12:27:27 UTC |
GCN Circular Query Notices | VOE |
|
0.000000003060764756451 per 10.353 years | 1372940865.20 | S230708cf | BBH (99%), Terrestrial (1%) | Yes |
1372892993.48July 8, 2023 23:09:35 UTC |
GCN Circular Query Notices | VOE |
|
0.000000015503439880951 per 2.0439 years | 1372892993.48 |
| S230708bi | BBH (>99%) | Yes |
1372871875.19July 8, 2023 17:17:37 UTC |
GCN Circular Query Notices | VOE |
|
0.000000001112553439121 per 28.482 years | RETRACTED | 1372871875.19 | S230708z | BBH (95%), Terrestrial (5%) | Yes |
1372835957.44July 8, 2023 07:18:59 UTC |
GCN Circular Query Notices | VOE |
|
0.000000070262880322702.2173 per year | 1372835957.44 | S230708t | BBH (97%), Terrestrial (3%) | Yes |
1372829843.12July 8, 2023 05:37:05 UTC |
GCN Circular Query Notices | VOE |
|
0.000000043309317768191.3667 per year | 1372829843.12 | S230707ai | BBH (95%), Terrestrial (5%) | Yes |
1372768865.35July 7, 2023 12:40:47 UTC |
GCN Circular Query Notices | VOE |
|
0.000000013764580000001 per 2.3021 years | 1372768865.35 | S230706ah | BBH (97%), Terrestrial (3%) | Yes |
1372675431.16July 6, 2023 10:43:33 UTC |
GCN Circular Query Notices | VOE |
|
0.000000042613558263151.3448 per year | 1372675431.16 | S230704f | BBH (>99%) | Yes |
1372471949.22July 4, 2023 02:12:11 UTC |
GCN Circular Query Notices | VOE |
|
0.000000002815522679531 per 11.255 years | 1372471949.22 | S230702an | BBH (>99%) | Yes |
1372359311.74July 2, 2023 18:54:53 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000001533216961 per 20668 years | 1372359311.74 |
