GWTC
The Gravitational-wave Transient Catalog (GWTC) is a cumulative set of gravitational wave transients maintained by
the LIGO/Virgo/KAGRA collaboration. The online GWTC contains confidently-detected events from multiple data releases.
For further information, see
documentation for individual releases:
GWTC-1,
GWTC-2,
GWTC-2.1,
GWTC-3,
GWTC-4.0,
GWTC-4.1, and
GWTC-5.0.
Note, this catalog is only updated
periodically, and may not contain recently published events. For the most recent events, you can browse
all available events.
Previous versions of this catalog are archived in zenodo
or are available using the following links:
- Toggle columns on/off with Display button at right.
- Click an event name for all versions and more information.
- Values in the table below are from the Default SEARCH and Default PE cases found in the individual event's page.
- See Event Portal Usage Notes for more details.
List contains 391 events.
| Name | Version | Release | Run | GPS | Mass 1 (M☉) | Mass 2 (M☉) | Network SNR | Distance (Mpc) | χeff | Total Mass (M☉) | Chirp Mass (M☉) | Detector Frame Chirp Mass (M☉) | Redshift | False Alarm Rate (yr-1) | Pastro | Final Mass (M☉) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GW231102_071736 | v2 | GWTC-4.1 | O4a | 1382944674.4 | 61 +14 -12 | 42 +13 -13 | 15.6 | 3800 +2100 -1800 | 0.06 +0.22 -0.22 | 102 +21 -13 | 43.3 +9.5 -6.3 | -- | 0.63 +0.27 -0.26 | ≤ 0.000010 | ≥ 0.99 | 98 +19 -13 |
| GW231102_052214 | v2 | GWTC-4.1 | O4a | 1382937752.4 | -- | -- | 7.9 | -- | -- | -- | -- | -- | -- | 4.0 | 0.72 | -- |
| GW231029_111508 | v2 | GWTC-4.1 | O4a | 1382613326.8 | 65 +18 -14 | 42 +15 -15 | 10.8 | 3100 +2400 -1700 | 0.14 +0.24 -0.23 | 106 +22 -16 | 44.4 +10.4 -8.0 | -- | 0.53 +0.32 -0.26 | 0.000051 | ≥ 0.99 | 101 +21 -16 |
| GW231028_153006 | v2 | GWTC-4.1 | O4a | 1382542224.3 | 94 +32 -19 | 59 +21 -24 | 22.4 | 4200 +1300 -1900 | 0.45 +0.16 -0.19 | 153 +29 -14 | 63.0 +13.1 -9.7 | -- | 0.68 +0.17 -0.26 | ≤ 0.000010 | ≥ 0.99 | 144 +27 -13 |
| GW231026_130704 | v2 | GWTC-4.1 | O4a | 1382360842.2 | 34 +27 -11 | 20.8 +9.8 -8.2 | 8.3 | 4400 +4000 -2400 | 0.03 +0.36 -0.36 | 55 +29 -14 | 22.8 +10.3 -5.7 | -- | 0.71 +0.49 -0.33 | 0.76 | 0.95 | 53 +28 -13 |
| GW231025_142306 | v1 | GWTC-4.1 | O4a | 1382279004.1 | -- | -- | 8.3 | -- | -- | -- | -- | -- | -- | 5.3 | 0.71 | -- |
| GW231024_023603 | v1 | GWTC-4.1 | O4a | 1382150181.2 | -- | -- | 8.3 | -- | -- | -- | -- | -- | -- | 14 | 0.51 | -- |
| GW231020_142947 | v2 | GWTC-4.1 | O4a | 1381847405.6 | 12.0 +8.4 -2.6 | 7.4 +2.0 -2.8 | 12.0 | 1230 +510 -640 | 0.14 +0.24 -0.12 | 19.8 +5.4 -2.1 | 8.07 +0.83 -0.52 | -- | 0.24 +0.08 -0.12 | ≤ 0.000010 | ≥ 0.99 | 18.8 +5.6 -2.0 |
| GW231018_233037 | v2 | GWTC-4.1 | O4a | 1381707055.0 | 11.6 +5.1 -2.4 | 7.3 +1.9 -2.1 | 9.1 | 1540 +740 -740 | 0.01 +0.17 -0.13 | 19.0 +3.4 -2.0 | 7.90 +0.89 -0.67 | -- | 0.29 +0.12 -0.13 | 0.68 | 0.93 | 18.2 +3.5 -1.9 |
| GW231014_040532 | v2 | GWTC-4.1 | O4a | 1381291551.0 | 20.6 +7.9 -4.0 | 14.7 +3.8 -4.2 | 9.0 | 2300 +1400 -1200 | 0.18 +0.26 -0.28 | 35.6 +6.8 -4.7 | 15.0 +2.6 -1.9 | -- | 0.42 +0.20 -0.19 | 0.21 | 0.98 | 33.8 +6.5 -4.4 |
| GW231013_135504 | v2 | GWTC-4.1 | O4a | 1381240522.4 | -- | -- | 8.4 | -- | -- | -- | -- | -- | -- | 15 | 0.53 | -- |
| GW231008_142521 | v2 | GWTC-4.1 | O4a | 1380810339.8 | 45 +17 -12 | 25.6 +10.7 -9.7 | 9.3 | 3000 +2500 -1300 | -0.01 +0.25 -0.28 | 71 +16 -13 | 29.0 +6.9 -5.7 | -- | 0.51 +0.33 -0.20 | 0.0015 | ≥ 0.99 | 69 +15 -13 |
| GW231007_134720 | v1 | GWTC-4.1 | O4a | 1380721658.8 | -- | -- | 8.1 | -- | -- | -- | -- | -- | -- | 8.3 | 0.63 | -- |
| GW231005_144455 | v2 | GWTC-4.1 | O4a | 1380552313.4 | -- | -- | 7.3 | -- | -- | -- | -- | -- | -- | 14 | 0.52 | -- |
| GW231005_091549 | v2 | GWTC-4.1 | O4a | 1380532567.5 | 28.8 +10.1 -6.1 | 21.2 +6.3 -6.2 | 11.0 | 3800 +2500 -1900 | -0.03 +0.24 -0.26 | 50.2 +11.3 -8.3 | 21.3 +4.8 -3.5 | -- | 0.62 +0.32 -0.27 | 0.040 | ≥ 0.99 | 48.0 +10.8 -7.9 |
| GW231005_021030 | v2 | GWTC-4.1 | O4a | 1380507049.0 | 84 +29 -23 | 50 +22 -20 | 10.4 | 6300 +4600 -3200 | 0.10 +0.36 -0.37 | 133 +38 -25 | 54 +17 -11 | -- | 0.93 +0.53 -0.42 | 0.010 | ≥ 0.99 | 127 +36 -25 |
| GW231004_232346 | v2 | GWTC-4.1 | O4a | 1380497044.3 | 64 +25 -18 | 35 +16 -14 | 8.9 | 4400 +3700 -2300 | -0.04 +0.30 -0.37 | 99 +27 -19 | 40.0 +11.5 -8.6 | -- | 0.70 +0.45 -0.32 | 0.16 | 0.97 | 96 +26 -19 |
| GW231002_143916 | v2 | GWTC-4.1 | O4a | 1380292774.7 | -- | -- | 9.4 | -- | -- | -- | -- | -- | -- | 1.0 | 0.90 | -- |
| GW231001_140220 | v2 | GWTC-4.1 | O4a | 1380204158.7 | 76 +25 -22 | 41 +18 -16 | 11.5 | 4400 +3900 -2400 | -0.04 +0.33 -0.35 | 116 +31 -23 | 46.6 +13.8 -9.9 | -- | 0.70 +0.47 -0.34 | 0.000015 | ≥ 0.99 | 111 +29 -22 |
| GW230930_110730 | v2 | GWTC-4.1 | O4a | 1380107268.4 | 34.5 +13.2 -7.9 | 24.4 +8.4 -7.5 | 9.0 | 4900 +3200 -2500 | 0.02 +0.26 -0.27 | 59 +15 -10 | 24.8 +6.5 -4.1 | -- | 0.76 +0.38 -0.34 | 0.095 | ≥ 0.99 | 56.3 +14.5 -9.6 |
| GW230928_215827 | v2 | GWTC-4.1 | O4a | 1379973525.1 | 54 +19 -16 | 29 +13 -11 | 10.5 | 4900 +4000 -2500 | 0.40 +0.20 -0.28 | 83 +22 -18 | 33.6 +9.9 -7.4 | -- | 0.77 +0.48 -0.34 | 0.000014 | ≥ 0.99 | 79 +21 -17 |
| GW230927_153832 | v2 | GWTC-4.1 | O4a | 1379864330.9 | 21.7 +3.8 -2.8 | 16.6 +2.5 -2.6 | 20.3 | 1190 +370 -540 | 0.03 +0.08 -0.08 | 38.3 +3.3 -2.1 | 16.37 +1.43 -0.80 | -- | 0.23 +0.06 -0.10 | ≤ 0.000010 | ≥ 0.99 | 36.5 +3.1 -2.1 |
| GW230927_043729 | v2 | GWTC-4.1 | O4a | 1379824667.1 | 35.0 +8.6 -6.2 | 27.1 +7.3 -6.5 | 12.1 | 3200 +1800 -1700 | 0.01 +0.21 -0.22 | 61.9 +12.6 -8.2 | 26.5 +5.6 -3.5 | -- | 0.55 +0.24 -0.26 | ≤ 0.000010 | ≥ 0.99 | 59.0 +11.8 -7.8 |
| GW230925_143957 | v2 | GWTC-4.1 | O4a | 1379688015.5 | -- | -- | 8.0 | -- | -- | -- | -- | -- | -- | 8.2 | 0.55 | -- |
| GW230924_124453 | v2 | GWTC-4.1 | O4a | 1379594711.8 | 28.8 +5.7 -4.0 | 23.2 +4.4 -4.3 | 13.5 | 2400 +1000 -1000 | 0.02 +0.18 -0.18 | 51.8 +7.1 -4.9 | 22.3 +3.1 -2.1 | -- | 0.42 +0.15 -0.16 | ≤ 0.000010 | ≥ 0.99 | 49.4 +6.7 -4.6 |
| GW230922_040658 | v2 | GWTC-4.1 | O4a | 1379390836.1 | 76 +28 -18 | 51 +22 -24 | 12.5 | 6500 +4100 -3500 | 0.31 +0.26 -0.31 | 125 +37 -21 | 52 +17 -11 | -- | 0.96 +0.47 -0.45 | ≤ 0.000010 | ≥ 0.99 | 119 +34 -21 |
| GW230922_020344 | v2 | GWTC-4.1 | O4a | 1379383442.9 | 39.3 +10.2 -6.4 | 29.2 +5.6 -6.2 | 13.4 | 1640 +730 -740 | 0.03 +0.20 -0.20 | 68.7 +9.1 -6.6 | 29.2 +3.7 -2.7 | -- | 0.31 +0.11 -0.13 | ≤ 0.000010 | ≥ 0.99 | 65.4 +8.6 -6.2 |
| GW230920_071124 | v2 | GWTC-4.1 | O4a | 1379229102.7 | 32.4 +9.1 -6.2 | 23.8 +6.6 -6.8 | 11.1 | 2900 +1800 -1400 | -- | 56.4 +10.3 -8.0 | 23.9 +4.6 -3.5 | -- | 0.49 +0.24 -0.21 | ≤ 0.000010 | ≥ 0.99 | 53.8 +9.6 -7.6 |
| GW230920_064709 | v2 | GWTC-4.1 | O4a | 1379227647.3 | -- | -- | 9.5 | -- | -- | -- | -- | -- | -- | 3.2 | 0.79 | -- |
| GW230919_215712 | v2 | GWTC-4.1 | O4a | 1379195850.0 | 27.3 +5.5 -3.7 | 21.4 +3.5 -4.2 | 16.8 | 1330 +790 -510 | 0.18 +0.13 -0.13 | 49.1 +4.2 -4.5 | 21.0 +1.9 -2.0 | -- | 0.25 +0.13 -0.09 | ≤ 0.000010 | ≥ 0.99 | 46.5 +4.0 -4.3 |
| GW230914_111401 | v2 | GWTC-4.1 | O4a | 1378725259.7 | 60 +12 -11 | 37 +13 -12 | 17.2 | 2700 +1600 -1200 | 0.12 +0.19 -0.19 | 96 +15 -10 | 39.8 +7.6 -6.2 | -- | 0.47 +0.22 -0.19 | ≤ 0.000010 | ≥ 0.99 | 91.2 +14.2 -9.9 |
| GW230911_195324 | v2 | GWTC-4.1 | O4a | 1378497222.2 | 33.9 +8.2 -7.2 | 21.6 +5.7 -5.6 | 11.1 | 1350 +1170 -710 | -0.02 +0.20 -0.22 | 55.5 +8.0 -7.1 | 23.2 +3.4 -3.0 | -- | 0.26 +0.18 -0.13 | 0.00100 | ≥ 0.99 | 53.1 +7.5 -6.8 |
| GW230904_152545 | v2 | GWTC-4.1 | O4a | 1377876363.2 | -- | -- | 9.2 | -- | -- | -- | -- | -- | -- | 4.4 | 0.75 | -- |
| GW230904_051013 | v2 | GWTC-4.1 | O4a | 1377839431.1 | 10.6 +4.2 -1.9 | 7.1 +1.5 -1.9 | 10.5 | 1030 +590 -440 | 0.05 +0.15 -0.07 | 17.9 +2.4 -1.6 | 7.53 +0.54 -0.59 | -- | 0.20 +0.10 -0.08 | 0.000037 | ≥ 0.99 | 17.1 +2.5 -1.6 |
| GW230902_224555 | v2 | GWTC-4.1 | O4a | 1377729973.7 | -- | -- | 7.5 | -- | -- | -- | -- | -- | -- | 14 | 0.51 | -- |
| GW230902_172430 | v2 | GWTC-4.1 | O4a | 1377710688.8 | -- | -- | 8.5 | -- | -- | -- | -- | -- | -- | 10 | 0.60 | -- |
| GW230902_150325 | v1 | GWTC-4.1 | O4a | 1377702223.2 | -- | -- | 7.8 | -- | -- | -- | -- | -- | -- | 7.4 | 0.65 | -- |
| GW230902_122814 | v2 | GWTC-4.1 | O4a | 1377692912.9 | -- | -- | 8.1 | -- | -- | -- | -- | -- | -- | 2.0 | 0.84 | -- |
| GW230831_134621 | v2 | GWTC-4.1 | O4a | 1377524799.7 | -- | -- | 8.8 | -- | -- | -- | -- | -- | -- | 2.8 | 0.80 | -- |
| GW230831_015414 | v2 | GWTC-4.1 | O4a | 1377482072.1 | 42 +18 -11 | 30 +12 -10 | 8.6 | 4900 +4200 -2900 | 0.04 +0.29 -0.30 | 73 +25 -15 | 30.7 +10.5 -6.5 | -- | 0.77 +0.49 -0.40 | 0.036 | ≥ 0.99 | 69 +24 -14 |
| GW230830_064744 | v2 | GWTC-4.1 | O4a | 1377413282.2 | -- | -- | 8.5 | -- | -- | -- | -- | -- | -- | 3.2 | 0.80 | -- |
| GW230825_041334 | v2 | GWTC-4.1 | O4a | 1376972032.5 | 44 +17 -12 | 27.2 +12.0 -8.8 | 8.8 | 4900 +4200 -2900 | 0.29 +0.24 -0.30 | 71 +22 -16 | 29.5 +9.4 -6.3 | -- | 0.76 +0.51 -0.40 | 0.093 | 0.99 | 67 +21 -15 |
| GW230824_135331 | v2 | GWTC-4.1 | O4a | 1376920429.9 | -- | -- | 9.7 | -- | -- | -- | -- | -- | -- | 6.2 | 0.58 | -- |
| GW230824_033047 | v2 | GWTC-4.1 | O4a | 1376883065.7 | 53 +16 -11 | 36 +13 -13 | 11.1 | 4700 +2900 -2300 | -0.01 +0.23 -0.27 | 88 +20 -13 | 36.9 +9.3 -6.3 | -- | 0.74 +0.35 -0.32 | ≤ 0.000010 | ≥ 0.99 | 84 +19 -13 |
| GW230823_142524 | v2 | GWTC-4.1 | O4a | 1376835942.6 | -- | -- | 8.8 | -- | -- | -- | -- | -- | -- | 1.6 | 0.86 | -- |
| GW230822_230337 | v2 | GWTC-4.1 | O4a | 1376780635.5 | -- | -- | 8.3 | -- | -- | -- | -- | -- | -- | 1.4 | 0.89 | -- |
| GW230820_212515 | v2 | GWTC-4.1 | O4a | 1376601934.0 | 62 +23 -16 | 34 +18 -18 | 9.3 | 4000 +3000 -2100 | 0.21 +0.30 -0.30 | 96 +22 -17 | 38.5 +11.1 -9.6 | -- | 0.65 +0.37 -0.30 | 0.24 | 0.98 | 92 +20 -16 |
| GW230819_171910 | v2 | GWTC-4.1 | O4a | 1376500768.4 | 70 +43 -21 | 35 +20 -19 | 9.9 | 4100 +3800 -2200 | -0.04 +0.35 -0.44 | 106 +38 -22 | 42 +14 -11 | -- | 0.66 +0.47 -0.31 | 0.011 | ≥ 0.99 | 102 +37 -22 |
| GW230817_212349 | v2 | GWTC-4.1 | O4a | 1376342647.1 | -- | -- | 7.8 | -- | -- | -- | -- | -- | -- | 2.0 | 0.86 | -- |
| GW230814_230901 | v3 | GWTC-4.1 | O4a | 1376089759.8 | 33.7 +2.9 -2.2 | 28.2 +2.2 -3.1 | 43.0 | 290 +180 -130 | -0.01 +0.06 -0.07 | 61.9 +2.0 -2.0 | 26.78 +0.88 -1.03 | -- | 0.06 +0.04 -0.03 | ≤ 0.000010 | ≥ 0.99 | 59.0 +1.9 -1.9 |
of 391 events