GCN Events

GRB 260330B / EP260330b
importance: 72.00 | latest: 2026-04-03T19:30:32.225Z | circulars: 7
EP260403a
importance: 0.00 | latest: 2026-04-03T14:56:19.153Z | circulars: 5
GRB 260310A / EP260310a
importance: 86.00 | latest: 2026-04-03T13:30:44.895Z | circulars: 60 | z=0.153
GRB 260403A / EP260403a
importance: 52.00 | latest: 2026-04-03T10:09:38.346Z | circulars: 2
GRB 260402A / EP260402a
importance: 72.00 | latest: 2026-04-03T09:03:27.762Z | circulars: 12
GRB 260402B / EP260402b
importance: 50.00 | latest: 2026-04-03T08:53:36.763Z | circulars: 2
GRB 260402C / EP260402c
importance: 48.00 | latest: 2026-04-03T07:28:44.522Z | circulars: 2
EP260324a
importance: 62.00 | latest: 2026-04-03T05:33:45.711Z | circulars: 5
GRB 260401A / EP260401a
importance: 66.00 | latest: 2026-04-02T15:06:11.858Z | circulars: 9
EP260329b
importance: 72.00 | latest: 2026-04-01T09:25:28.469Z | circulars: 12
EP260321a
importance: 85.00 | latest: 2026-04-01T05:05:57.078Z | circulars: 26 | z=0.0343
EP260327a
importance: 70.00 | latest: 2026-04-01T04:32:23.684Z | circulars: 7 | z=0.481
GRB 260320A / EP260320a
importance: 62.00 | latest: 2026-03-31T13:34:05.176Z | circulars: 6
GRB 260316B / EP260316b
importance: 66.00 | latest: 2026-03-31T13:32:31.278Z | circulars: 9
GRB 260321A / EP260321a
importance: 70.00 | latest: 2026-03-31T12:06:20.524Z | circulars: 8 | z=3
EP260329a
importance: 0.00 | latest: 2026-03-31T00:27:44.334Z | circulars: 6
GRB 260330A / EP260330a
importance: 52.00 | latest: 2026-03-30T21:27:51.443Z | circulars: 2
Fermi trigger No 796485221
importance: 28.00 | latest: 2026-03-29T23:31:14.908Z | circulars: 1
GRB 260327A / EP260327a
importance: 55.00 | latest: 2026-03-29T15:18:30.626Z | circulars: 3
GRB 260326A / EP260326a
importance: 62.00 | latest: 2026-03-29T12:55:38.031Z | circulars: 4
GRB 260329A / EP260329a
importance: 8.00 | latest: 2026-03-29T11:35:22.652Z | circulars: 0
EP-WXT trigger 01709259209
importance: 48.00 | latest: 2026-03-29T11:32:38.028Z | circulars: 2
GRB 260329B / EP260329b
importance: 18.00 | latest: 2026-03-29T11:11:21.449Z | circulars: 0
GRB 260307B / EP260307b
importance: 62.00 | latest: 2026-03-27T18:33:22.765Z | circulars: 10
GRB 260324A / EP260324a
importance: 18.00 | latest: 2026-03-26T21:32:11.230Z | circulars: 0
GRB 260325A / EP260325a
importance: 42.00 | latest: 2026-03-26T02:06:55.891Z | circulars: 1
EP-WXT trigger 01709259112
importance: 18.00 | latest: 2026-03-24T10:20:29.777Z | circulars: 1
GRB 260323A / EP260323a
importance: 48.00 | latest: 2026-03-24T00:15:25.035Z | circulars: 2
GRB 260322A / EP260322a
importance: 33.00 | latest: 2026-03-23T17:56:30.512Z | circulars: 1
EP260214b
importance: 75.00 | latest: 2026-03-23T15:25:11.560Z | circulars: 16 | z=1.208
GRB 260318A / EP260318a
importance: 56.00 | latest: 2026-03-21T11:28:43.504Z | circulars: 5
EP-WXT trigger 01709258989
importance: 12.00 | latest: 2026-03-21T03:19:15.558Z | circulars: 2
IceCube-260315A
importance: 70.00 | latest: 2026-03-18T18:09:53.737Z | circulars: 7 | z=1.389
GRB 260313A / EP260313a
importance: 18.00 | latest: 2026-03-18T15:31:39.425Z | circulars: 4
GRB 260316A / EP260316a
importance: 62.00 | latest: 2026-03-18T12:06:23.333Z | circulars: 6
GRB 260317A / EP260317a
importance: 38.00 | latest: 2026-03-17T21:55:00.202Z | circulars: 1
EP260316a
importance: 68.00 | latest: 2026-03-17T13:06:02.686Z | circulars: 5
GRB 260314A / EP260314a
importance: 58.00 | latest: 2026-03-16T16:43:10.067Z | circulars: 4
EP260314a
importance: 63.00 | latest: 2026-03-16T13:00:42.672Z | circulars: 8
AT2026fpm
importance: 62.00 | latest: 2026-03-15T18:39:46.399Z | circulars: 2
GRB 260312B / EP260312b
importance: 55.00 | latest: 2026-03-15T11:40:03.545Z | circulars: 6
Fermi trigger No 795185313
importance: 28.00 | latest: 2026-03-15T03:30:44.923Z | circulars: 1
IceCube Alert 260315A
importance: 30.00 | latest: 2026-03-15T02:40:16.496Z | circulars: 1
The EP-WXT trigger 01709258851
importance: 25.00 | latest: 2026-03-15T01:07:35.604Z | circulars: 1
GRB 260310B / EP260310b
importance: 55.00 | latest: 2026-03-13T15:05:40.543Z | circulars: 4
Swift BAT trigger 1500295
importance: 6.00 | latest: 2026-03-13T12:49:55.323Z | circulars: 1
Swift BAT trigger 1500287
importance: 6.00 | latest: 2026-03-13T11:28:17.603Z | circulars: 1
GRB 260308A / EP260308a
importance: 62.00 | latest: 2026-03-13T11:02:02.393Z | circulars: 3
GRB 260307A / EP260307a
importance: 55.00 | latest: 2026-03-13T10:45:12.905Z | circulars: 5
GRB 260311B / EP260311b
importance: 45.00 | latest: 2026-03-12T12:32:31.245Z | circulars: 2
Swift BAT trigger 1500148
importance: 5.00 | latest: 2026-03-12T10:45:18.686Z | circulars: 1
Retraction of GCN 43965
importance: 5.00 | latest: 2026-03-12T03:36:34.144Z | circulars: 1
GRB 260312A / EP260312a
importance: 45.00 | latest: 2026-03-12T03:17:24.606Z | circulars: 1
GRB 260131A / EP260131a
importance: 75.00 | latest: 2026-03-11T16:32:24.994Z | circulars: 21 | z=1.434
EP260302a
importance: 74.00 | latest: 2026-03-11T15:56:12.906Z | circulars: 11 | z=1.535
EP260306a
importance: 78.00 | latest: 2026-03-11T10:31:25.235Z | circulars: 8 | z=4.773
GRB 260311A / EP260311a
importance: 45.00 | latest: 2026-03-11T03:46:15.870Z | circulars: 1
GRB 260208A / EP260208a
importance: 80.00 | latest: 2026-03-10T09:40:09.634Z | circulars: 31 | z=2.36
GRB 260224A / EP260224a
importance: 10.00 | latest: 2026-03-09T08:07:41.622Z | circulars: 0
GRB 260221A / EP260221a
importance: 45.00 | latest: 2026-03-09T08:07:35.469Z | circulars: 2
GRB 260211A / EP260211a
importance: 72.00 | latest: 2026-03-07T10:55:59.482Z | circulars: 14
GRB 260207A / EP260207a
importance: 75.00 | latest: 2026-03-06T18:35:15.722Z | circulars: 5
GRB 260302A / EP260302a
importance: 62.00 | latest: 2026-03-06T15:17:15.470Z | circulars: 1
GRB 260306A / EP260306a
importance: 55.00 | latest: 2026-03-06T10:21:37.130Z | circulars: 0
The EP-WXT trigger 01709258759
importance: 48.00 | latest: 2026-03-06T02:31:14.842Z | circulars: 1
GRB 260228A / EP260228a
importance: 72.00 | latest: 2026-03-05T19:04:24.249Z | circulars: 9
GRB 260303A / EP260303a
importance: 66.00 | latest: 2026-03-05T16:36:08.745Z | circulars: 8
GRB 260305A / EP260305a
importance: 45.00 | latest: 2026-03-05T03:00:46.288Z | circulars: 2
GRB 260303B / EP260303b
importance: 56.00 | latest: 2026-03-04T19:43:04.969Z | circulars: 5
GRB 260304A / EP260304a
importance: 45.00 | latest: 2026-03-04T18:56:56.969Z | circulars: 1
sb26030408
importance: 22.00 | latest: 2026-03-04T11:49:37.908Z | circulars: 1
IceCube-260217A
importance: 45.00 | latest: 2026-03-03T18:33:37.578Z | circulars: 4
GRB 260225A / EP260225a
importance: 76.00 | latest: 2026-03-03T14:56:16.276Z | circulars: 11
EP260227a
importance: 75.00 | latest: 2026-03-03T10:58:44.916Z | circulars: 19 | z=2.714
The EP-WXT trigger 01709258736
importance: 55.00 | latest: 2026-03-03T02:34:27.346Z | circulars: 1
GRB 251130B / EP251130b
importance: 56.00 | latest: 2026-03-02T15:52:59.979Z | circulars: 6
GRB 260225D / EP260225d
importance: 55.00 | latest: 2026-03-01T13:20:06.269Z | circulars: 4
EP-WXT trigger 01709258652
importance: 22.00 | latest: 2026-03-01T13:18:28.764Z | circulars: 2
GRB 260227A / EP260227a
importance: 52.00 | latest: 2026-03-01T09:51:54.451Z | circulars: 0
GRB 260225B / EP260225b
importance: 52.00 | latest: 2026-03-01T06:49:10.611Z | circulars: 2
GRB 260226A / EP260226a
importance: 74.00 | latest: 2026-02-28T12:43:06.953Z | circulars: 18
GRB 260223A / EP260223a
importance: 72.00 | latest: 2026-02-28T04:46:33.500Z | circulars: 13
EP260214a
importance: 72.00 | latest: 2026-02-27T09:53:25.389Z | circulars: 11 | z=0.18
GRB 260226.44
importance: 32.00 | latest: 2026-02-26T15:44:21.812Z | circulars: 1
EP260224a
importance: 42.00 | latest: 2026-02-26T12:00:50.891Z | circulars: 2
GRB 260225C / EP260225c
importance: 40.00 | latest: 2026-02-25T19:08:07.079Z | circulars: 1
EP260126a
importance: 72.00 | latest: 2026-02-25T15:06:53.176Z | circulars: 10
EP260223a
importance: 45.00 | latest: 2026-02-25T14:09:47.453Z | circulars: 5
EP 260225.148
importance: 20.00 | latest: 2026-02-25T06:39:13.303Z | circulars: 1
EP260213a
importance: 55.00 | latest: 2026-02-25T04:33:50.785Z | circulars: 12
sb26021801
importance: 46.00 | latest: 2026-02-25T03:59:02.458Z | circulars: 6
EP260221a
importance: 70.00 | latest: 2026-02-23T09:42:06.753Z | circulars: 10 | z=1.22
GRB 260222A / EP260222a
importance: 42.00 | latest: 2026-02-22T10:20:22.858Z | circulars: 1
GRB 260221B / EP260221b
importance: 46.00 | latest: 2026-02-22T02:30:42.876Z | circulars: 2
EP-WXT01709258519
importance: 28.00 | latest: 2026-02-21T21:25:15.053Z | circulars: 1
ZTF26aaglqak
importance: 70.00 | latest: 2026-02-21T17:13:45.943Z | circulars: 1 | z=0.19
GRB 260219A / EP260219a
importance: 62.00 | latest: 2026-02-21T09:34:45.752Z | circulars: 4
IceCube Alert 260217A
importance: 30.00 | latest: 2026-02-19T02:52:48.590Z | circulars: 1
GRB 260217A / EP260217a
importance: 40.00 | latest: 2026-02-18T11:43:01.133Z | circulars: 1
GRB 260214B / EP260214b
importance: 70.00 | latest: 2026-02-18T09:25:40.300Z | circulars: 1 | z=1.208