The Echo-Location: aka the BAT Targeted Search Portal

This web application hosts and manages live, autonomous, analyses of BAT data in the form of targeted searches around times provided by other instruments, with the goal of (echo)locating an associated gamma-ray transient.
All information on this site is preliminary and is provided to the broader community on a best effort basis to aid time-critical decision making.
The analyses hosted on this site rely on the GUANO autonomous spacecraft commanding pipeline (Tohuvavohu, Kennea, et al. 2020) and the NITRATES likelihood analysis (DeLaunay and Tohuvavohu, 2022). Please cite these papers if you use information hosted here.
Contact Aaron Tohuvavohu with questions or requests.

It is strongly recommended that you read the documentation before using any information provided here.


Click on a Trigger to see its targeted search report.

Trigger ID Attention DateTime Triggering Instrument Event Name Analysis Status
810383949 2026-09-06 10:38:31.090000 Fermi/GBM Fermi 810383916 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810372677 2026-09-06 07:30:39.038189 CHIME F1176353822 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810371558 2026-09-06 07:11:59.749843 CHIME F1176351553 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810355065 2026-09-06 02:37:07.518531 CHIME 1161574565 F1161574565 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810344474 2026-09-05 23:40:35.997836 CHIME F1176307672 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810337078 2026-09-05 21:37:20.422088 CHIME F1176306164 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810314098 2026-09-05 15:14:19.960000 Fermi/GBM Fermi 810314064 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810288880 2026-09-05 08:14:01.778764 CHIME 257077353 F257077353 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810288659 2026-09-05 08:10:20.757292 CHIME 287451702 F287451702 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810268447 2026-09-05 02:33:29.249000 EP EP WXT Trigger #01709302592 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810237915 2026-09-04 18:04:37.478129 CHIME F1176141748 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810214558 2026-09-04 11:35:20.184852 CHIME F1176105796 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810196035 2026-09-04 06:26:37.461874 CHIME 1144834229 F1144834229 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810171894 2026-09-03 23:44:15.693267 CHIME F1176048053 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810145101 2026-09-03 16:17:42.740000 Fermi/GBM Fermi 810145067 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810131845 2026-09-03 12:36:46.813000 SVOM ECLAIRs sb26090302 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810127109 2026-09-03 11:17:51 EP EP WXT Trigger #13600875138 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810123129 2026-09-03 10:11:30.750000 Fermi/GBM Fermi 810123095 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810100400 2026-09-03 03:52:42.209206 CHIME F1175923673 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810066962 2026-09-02 18:35:24.373062 CHIME F1175881972 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810055105 2026-09-02 15:17:46.714043 CHIME F1175856049 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
810041766 2026-09-02 11:35:28.193286 CHIME F1175841310 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809943575 2026-09-01 08:18:57.227117 CHIME F1175706492 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809907348 2026-08-31 22:15:10.501599 CHIME F1175652171 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809902081 2026-08-31 20:47:23.263050 CHIME F1175636628 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809893965 2026-08-31 18:32:07.088000 SVOM ECLAIRs sb26083106 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809868144 2026-08-31 11:21:45.964200 CHIME FRB20180916B Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809846607 2026-08-31 05:22:49.517929 CHIME F1175540471 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809842179 2026-08-31 04:09:00.930000 Fermi/GBM Fermi 809842145 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809839832 2026-08-31 03:29:54.619939 CHIME F1175529438 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809832000 2026-08-31 01:19:22.178912 CHIME F1175519796 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809830363 2026-08-31 00:52:04.888211 CHIME F1175519313 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809820836 2026-08-30 22:13:17.880000 Fermi/GBM Fermi 809820802 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809815592 2026-08-30 20:45:54.269062 CHIME F1175472802 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809799269 2026-08-30 16:13:51.051702 CHIME F1175459409 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809782334 2026-08-30 11:31:36.420000 Fermi/GBM Fermi 809782301 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809757625 2026-08-30 04:39:46.910000 Fermi/GBM Fermi 809757591 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809755541 2026-08-30 04:05:02.779296 CHIME F1175398455 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809747871 2026-08-30 01:57:12.827035 CHIME F1175387082 F1175387085 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809734549 2026-08-29 22:15:10.815602 CHIME F1175376814 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809727712 2026-08-29 20:21:13.980000 Fermi/GBM Fermi 809727678 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809707749 2026-08-29 14:48:31.580000 Fermi/GBM Fermi 809707716 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809687906 2026-08-29 09:17:47.981464 CHIME F1175321548 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809678581 2026-08-29 06:42:23.210000 Fermi/GBM Fermi 809678548 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809676527 2026-08-29 06:08:09.390000 Fermi/GBM Fermi 809676494 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809672684 2026-08-29 05:04:06.480000 Fermi/GBM Fermi 809672651 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809666656 2026-08-29 03:23:38.100000 Fermi/GBM Fermi 809666623 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809655969 2026-08-29 00:25:31.491801 CHIME F1154714524 1154714524 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809626060 2026-08-28 16:07:02.110000 Fermi/GBM Fermi 809626027 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809618120 2026-08-28 13:54:42.590000 Fermi/GBM Fermi 809618087 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
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