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 O4c.
  • Less-significant events are not shown by default. Press "Show All Public Events" to show significant and less-significant events.

O4c Significant Detection Candidates: 1659 (1659 Total - 0 Retracted)

O4c Low Significance Detection Candidates: 771 (Total)


Show All Public Events

Event ID Possible Source (Probability) Significant UTC GCN Location FAR Comments GPS
S251028cx BNS (80%), NSBH (20%) Yes 1445674250.19Oct. 28, 2025
08:10:32 UTC
GCN Circular Query
Notices | VOE
0.000000000000058703871 per 5.398e+05 years 1445674250.19
S251028cs BNS (78%), NSBH (22%) Yes 1445673482.01Oct. 28, 2025
07:57:44 UTC
GCN Circular Query
Notices | VOE
0.000000000000062367681 per 5.0809e+05 years 1445673482.01
S251028co BNS (93%), NSBH (7%) Yes 1445672970.15Oct. 28, 2025
07:49:12 UTC
GCN Circular Query
Notices | VOE
0.000000000000000040951 per 7.7384e+08 years 1445672970.15
S251028cm Yes 1445671969.88Oct. 28, 2025
07:32:31 UTC
GCN Circular Query
Notices | VOE
0.000000000129229000001 per 245.21 years 1445671969.88
S251028bw Terrestrial (92%), NSBH (6%), BNS (1%) Yes 1445664009.90Oct. 28, 2025
05:19:51 UTC
GCN Circular Query
Notices | VOE
0.000000023123084648381 per 1.3704 years 1445664009.90
S251028bt Yes 1445663258.49Oct. 28, 2025
05:07:20 UTC
GCN Circular Query
Notices | VOE
0.000000000129229000001 per 245.21 years 1445663258.49
S251028bq BBH (>99%) Yes 1445662986.12Oct. 28, 2025
05:02:48 UTC
GCN Circular Query
Notices | VOE
0.000000000000004943221 per 6.4104e+06 years 1445662986.12
S251028bj BBH (>99%) Yes 1445661705.82Oct. 28, 2025
04:41:27 UTC
GCN Circular Query
Notices | VOE
0.000000000000001845871 per 1.7167e+07 years 1445661705.82
S251028ax NSBH (76%), BNS (23%) Yes 1445659145.77Oct. 28, 2025
03:58:47 UTC
GCN Circular Query
Notices | VOE
0.000000000059645740001 per 531.27 years 1445659145.77
S251028av Terrestrial (59%), BBH (41%) Yes 1445658378.00Oct. 28, 2025
03:46:00 UTC
GCN Circular Query
Notices | VOE
0.000000034570200000001.091 per year 1445658378.00
S251028as BNS (78%), NSBH (22%) Yes 1445657866.14Oct. 28, 2025
03:37:28 UTC
GCN Circular Query
Notices | VOE
0.000000000000000000031 per 1.0697e+12 years 1445657866.14
S251028ak BBH (81%), Terrestrial (19%) Yes 1445655306.11Oct. 28, 2025
02:54:48 UTC
GCN Circular Query
Notices | VOE
0.000000014823289302161 per 2.1377 years 1445655306.11
S251028af BBH (>99%) Yes 1445653769.80Oct. 28, 2025
02:29:11 UTC
GCN Circular Query
Notices | VOE
0.000000000096529870001 per 328.27 years 1445653769.80
S251028ad NSBH (>99%) Yes 1445653002.05Oct. 28, 2025
02:16:24 UTC
GCN Circular Query
Notices | VOE
0.000000000008894901001 per 3562.5 years 1445653002.05
S251028z NSBH (58%), BNS (42%) Yes 1445652234.13Oct. 28, 2025
02:03:36 UTC
GCN Circular Query
Notices | VOE
0.000000000000000000001 per 2.185e+13 years 1445652234.13