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
781868792 2025-10-11 09:45:56.204054 IGWN G608975 S251011ax Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781862441 2025-10-11 08:00:05.509818 IGWN G608957 S251011av Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781859338 2025-10-11 07:08:21.910000 Fermi/GBM Fermi 781859306 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781853350 2025-10-11 05:28:34.227000 IGWN S251011ae Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781851603 2025-10-11 04:59:26.603647 IGWN G608896 S251011x Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781846936 2025-10-11 03:41:40.090000 Fermi/GBM Fermi 781846905 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781846679 2025-10-11 03:37:22.595962 IGWN G608866 S251011m Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781842068 2025-10-11 02:20:31.748535 IGWN G608849 S251011e Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781827005 2025-10-10 22:09:29.429117 CHIME F1135555197 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781824301 2025-10-10 21:24:24.750000 Fermi/GBM Fermi 781824269 Waiting for: ['EARTHPLOT', 'SKYPLOT']
781821716 2025-10-10 20:41:19.766260 IGWN G608820 S251010bs Waiting for: ['EARTHPLOT', 'SKYPLOT']
781821549 2025-10-10 20:38:33.280000 CALET/GBM CALET 1444163455 Waiting for: ['EARTHPLOT', 'SKYPLOT']
781820195 2025-10-10 20:15:58.955000 IGWN S251010bp Waiting for: ['EARTHPLOT', 'SKYPLOT']
781818341 2025-10-10 19:45:05.290000 Fermi/GBM Fermi 781818310 Waiting for: ['EARTHPLOT', 'SKYPLOT']
781815882 2025-10-10 19:04:05.730000 CALET/GBM CALET 1444157787 Waiting for: ['EARTHPLOT', 'SKYPLOT']
781811102 2025-10-10 17:44:25.730000 Fermi/GBM Fermi 781811070 Waiting for: ['EARTHPLOT', 'SKYPLOT']
781802209 2025-10-10 15:16:13.010417 IGWN G608718 S251010al Waiting for: ['EARTHPLOT', 'SKYPLOT']
781794284 2025-10-10 13:04:08.195444 CHIME FRB20240209A Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781771931 2025-10-10 06:51:35.125840 CHIME F1135472818 Waiting for: ['EARTHPLOT', 'SKYPLOT']
781760909 2025-10-10 03:47:53.050000 SVOM ECLAIRs sb25101004 Waiting for: ['EARTHPLOT', 'SKYPLOT']
781754441 2025-10-10 02:00:04.598585 CHIME FRB20240209A Waiting for: ['EARTHPLOT', 'SKYPLOT']
781746501 2025-10-09 23:47:44.587700 IGWN G608602 S251009dv Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781746494 2025-10-09 23:47:38.081095 IGWN G608596 S251009dt Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781746220 2025-10-09 23:43:03.962456 IGWN G608593 S251009ds Waiting for: ['EARTHPLOT', 'SKYPLOT']
781744848 2025-10-09 23:20:12.396000 IGWN S251009do Waiting for: ['EARTHPLOT', 'SKYPLOT']
781744193 2025-10-09 23:09:17.324000 IGWN S251009dk Waiting for: ['EARTHPLOT', 'SKYPLOT']
781741596 2025-10-09 22:25:59.981643 IGWN G608571 S251009db Waiting for: ['EARTHPLOT', 'SKYPLOT']
781738061 2025-10-09 21:27:04.780000 CALET/GBM CALET 1444079968 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781732419 2025-10-09 19:53:03.240000 CALET/GBM CALET 1444074326 Waiting for: ['EARTHPLOT', 'SKYPLOT']
781730944 2025-10-09 19:28:27.720000 CALET/GBM CALET 1444072851 Waiting for: ['EARTHPLOT', 'SKYPLOT']
781718373 2025-10-09 15:58:56.610000 Fermi/GBM Fermi 781718341 Waiting for: ['EARTHPLOT', 'SKYPLOT']
781717008 2025-10-09 15:36:11.957025 CHIME F1135413811 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781713667 2025-10-09 14:40:31.358780 CHIME F1135407699 Waiting for: ['EARTHPLOT', 'SKYPLOT']
781709794 2025-10-09 13:35:58.369500 IGWN G608520 S251009cp Waiting for: ['EARTHPLOT', 'SKYPLOT']
781695923 2025-10-09 09:44:46.573100 IGWN G608469 S251009bv Waiting for: ['EARTHPLOT', 'SKYPLOT']
781692807 2025-10-09 08:52:51.504883 IGWN G608454 S251009bn Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781686752 2025-10-09 07:11:55.591036 CHIME F1135383079 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781686748 2025-10-09 07:11:51.921011 CHIME F1135383073 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781686744 2025-10-09 07:11:47.915380 CHIME F1135383074 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781678571 2025-10-09 04:55:34.842000 REALFAST Frfcand251009UT04WTZ Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_OUTFOV', 'n_INFOV']
781668556 2025-10-09 02:08:40.498047 IGWN G608350 S251009u Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781663862 2025-10-09 00:50:26.313200 IGWN G608303 S251009h Waiting for: ['EARTHPLOT', 'SKYPLOT']
781661945 2025-10-09 00:18:28.731000 IGWN G608292 S251009d Waiting for: ['EARTHPLOT', 'SKYPLOT']
781661256 2025-10-09 00:07:00.040527 IGWN G608285 S251009b Waiting for: ['EARTHPLOT', 'SKYPLOT']
781655786 2025-10-08 22:35:50 IceCube Nu 888784 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781653963 2025-10-08 22:05:26.831000 IGWN S251008ez Waiting for: ['EARTHPLOT', 'SKYPLOT']
781653877 2025-10-08 22:04:01.485000 IGWN S251008ex Waiting for: ['EARTHPLOT', 'SKYPLOT']
781648561 2025-10-08 20:35:25.183362 IGWN G608246 S251008ew Waiting for: ['EARTHPLOT', 'SKYPLOT']
781645033 2025-10-08 19:36:36.810000 IGWN S251008et Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
781627991 2025-10-08 14:52:34.927413 IGWN G608152 S251008do Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
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