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 O4b.
- Less-significant events are not shown by default. Press "Show All Public Events" to show significant and less-significant events.
O4b Significant Detection Candidates: 86 (94 Total - 8 Retracted)
O4b Low Significance Detection Candidates: 1210 (Total)
Show All Public Events
| Event ID | Possible Source (Probability) | Significant | UTC | GCN | Location | FAR | Comments | GPS | S240515m | BBH (>99%) | Yes |
1399769599.11May 15, 2024 00:53:01 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000000000000011 per 6.0109e+12 years | 1399769599.11 | S240514x | BBH (>99%) | Yes |
1399724251.72May 14, 2024 12:17:13 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000316754584221 per 100.04 years | 1399724251.72 | S240514c | BBH (99%) | Yes |
1399709019.05May 14, 2024 08:03:21 UTC |
GCN Circular Query Notices | VOE |
|
0.000000009619912638971 per 3.294 years | 1399709019.05 | S240513ei | BBH (>99%) | Yes |
1399660400.90May 13, 2024 18:33:02 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000316754584221 per 100.04 years | 1399660400.90 | S240512r | BBH (98%), NSBH (2%) | Yes |
1399516917.15May 12, 2024 02:41:39 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000316754584221 per 100.04 years | 1399516917.15 | S240511i | BBH (>99%) | Yes |
1399432526.00May 11, 2024 03:15:07 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000316754584221 per 100.04 years | 1399432526.00 | S240507p | BBH (>99%) | Yes |
1399090610.35May 7, 2024 04:16:32 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000633509168451 per 50.02 years | 1399090610.35 | S240505av | BBH (99%), Terrestrial (1%) | Yes |
1398951370.58May 5, 2024 13:35:52 UTC |
GCN Circular Query Notices | VOE |
|
0.000000022844626248331 per 1.3871 years | 1398951370.58 | S240501an | BBH (>99%) | Yes |
1398569752.92May 1, 2024 03:35:34 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000421517035091 per 75.176 years | 1398569752.92 | S240430ca | BBH (96%), Terrestrial (4%) | Yes |
1398504935.38April 30, 2024 09:35:17 UTC |
GCN Circular Query Notices | VOE |
|
0.000000074521646897492.3517 per year | 1398504935.38 |
|---|---|---|---|---|---|---|---|---|
| S240429an | Terrestrial (98%), BNS (2%) | Yes |
1398403401.63April 29, 2024 05:23:03 UTC |
GCN Circular Query Notices | VOE |
|
0.000000002867864000001 per 11.049 years | RETRACTED | 1398403401.63 | S240428dr | BBH (>99%) | Yes |
1398380098.08April 28, 2024 22:54:40 UTC |
GCN Circular Query Notices | VOE |
|
0.000000000000021092081 per 1.5024e+06 years | 1398380098.08 | S240426dl | Terrestrial (70%), BBH (30%) | Yes |
1398179901.77April 26, 2024 15:18:03 UTC |
GCN Circular Query Notices | VOE |
|
0.000000051532800000001.6263 per year | 1398179901.77 | S240426s | BBH (98%), Terrestrial (2%) | Yes |
1398136509.98April 26, 2024 03:14:51 UTC |
GCN Circular Query Notices | VOE |
|
0.000000007602110021391 per 4.1683 years | 1398136509.98 |
| S240423br | BBH (94%), Terrestrial (6%) | Yes |
1397904202.42April 23, 2024 10:43:04 UTC |
GCN Circular Query Notices | VOE |
|
0.000000057329520000001.8092 per year | RETRACTED | 1397904202.42 |
