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
785199370 2025-11-18 22:55:33.607606 CHIME F1140088161 Complete
785198441 2025-11-18 22:40:05.030000 Fermi/GBM Fermi 785198410 Complete
785190726 2025-11-18 20:31:30.090000 Fermi/GBM Fermi 785190695 Complete
785188331 2025-11-18 19:51:34.726470 CHIME F1140063764 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
785185370 2025-11-18 19:02:14.170000 Fermi/GBM Fermi 785185339 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
785177325 2025-11-18 16:48:09.042073 CHIME F1140044241 Complete
785176985 2025-11-18 16:42:29.170000 EP EP WXT Trigger #11900480769 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
785162491 2025-11-18 12:40:54.731934 IGWN G619010 S251118cm Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
785148588 2025-11-18 08:49:11.463900 IGWN G618949 S251118bq Complete
785147227 2025-11-18 08:26:31.259000 IGWN S251118bo Complete
785131699 2025-11-18 04:07:42.881814 IGWN G618858 S251118aj Complete
785128242 2025-11-18 03:10:05.541400 IGWN G618843 S251118ac Complete
785127925 2025-11-18 03:04:48.320714 IGWN G618833 S251118ab Complete
785123373 2025-11-18 01:48:56.675500 IGWN G618800 S251118m Complete
785118338 2025-11-18 00:25:02.229000 IGWN G618786 S251118c Complete
785109344 2025-11-17 21:55:07.377200 IGWN G618755 S251117du Complete
785108349 2025-11-17 21:38:33.116812 IGWN G618733 S251117dq Complete
785106817 2025-11-17 21:13:01.169125 IGWN G618726 S251117dn Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
785105850 2025-11-17 20:56:54.172889 IGWN G618715 S251117dj Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
785104082 2025-11-17 20:27:25.582517 CHIME F1139929162 Complete
785084580 2025-11-17 15:02:23.421422 IGWN G618666 S251117cw Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
785084099 2025-11-17 14:54:22.634000 IGWN S251117cv Complete
785081632 2025-11-17 14:13:15.902300 IGWN G618653 S251117cq Complete
785074828 2025-11-17 12:19:52.140000 Fermi/GBM Fermi 785074797 Complete
785072243 2025-11-17 11:36:46.639100 IGWN G618598 S251117bw Complete
785070021 2025-11-17 10:59:45.205000 IGWN G618587 S251117bs Waiting for: ['n_INFOV']
785069707 2025-11-17 10:54:30.990723 IGWN G618580 S251117bq Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
785068333 2025-11-17 10:31:36.658200 IGWN G618573 S251117bn Complete
785060835 2025-11-17 08:26:38.330000 IGWN S251117bc Complete
785055715 2025-11-17 07:01:18.519200 IGWN G618526 S251117au Complete
785045554 2025-11-17 04:11:57.919000 IGWN S251117ac Complete
785043555 2025-11-17 03:38:38.812560 IGWN G618478 S251117z Complete
785036795 2025-11-17 01:45:58.500200 IGWN G618457 S251117s Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
785036022 2025-11-17 01:33:06.074200 IGWN G618449 S251117q Complete
785033887 2025-11-17 00:57:30.803893 IGWN G618439 S251117m Complete
785028596 2025-11-16 23:29:19.731078 IGWN G618400 S251116eo Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
785028178 2025-11-16 23:22:21.759116 IGWN G618384 S251116en Waiting for: ['n_INFOV']
785021603 2025-11-16 21:32:47.078694 IGWN G618356 S251116ee Complete
785016957 2025-11-16 20:15:20.939000 IGWN S251116dy Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
785001472 2025-11-16 15:57:15.919000 SVOM ECLAIRs sb25111605 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
784999982 2025-11-16 15:32:26.019000 SVOM ECLAIRs sb25111604 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
784988404 2025-11-16 12:19:27.826000 IGWN G618251 S251116ce Complete
784987503 2025-11-16 12:04:27.240000 Fermi/GBM Fermi 784987472 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
784983606 2025-11-16 10:59:29.375000 IGWN S251116by Complete
784965540 2025-11-16 05:58:24.077823 IGWN G618155 S251116av Complete
784961421 2025-11-16 04:49:45.255300 IGWN G618131 S251116ak Complete
784959315 2025-11-16 04:14:38.824200 IGWN G618121 S251116af Complete
784956960 2025-11-16 03:35:23.794510 IGWN G618110 S251116ab Complete
784954846 2025-11-16 03:00:09.351100 IGWN G618101 S251116w Complete
784951240 2025-11-16 02:00:04.250000 Fermi/GBM Fermi 784951209 Complete
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