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
783810990 2025-11-02 21:15:53.850000 Fermi/GBM Fermi 783810958 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783803160 2025-11-02 19:05:23.732819 CHIME F1138459349 Complete
783800085 2025-11-02 18:14:08.938087 CHIME F1138459103 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783794326 2025-11-02 16:38:10.130737 CHIME F1138454402 Complete
783773831 2025-11-02 10:56:35.290000 Fermi/GBM Fermi 783773800 Complete
783741862 2025-11-02 02:03:46.070000 Fermi/GBM Fermi 783741831 Complete
783734572 2025-11-02 00:02:15.779008 CHIME F1138382435 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783719511 2025-11-01 19:51:14.579523 CHIME F1138358431 Complete
783714367 2025-11-01 18:25:31.199144 IGWN G615087 S251101ak Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783708783 2025-11-01 16:52:27.260000 Fermi/GBM Fermi 783708752 Complete
783696617 2025-11-01 13:29:41.380000 Fermi/GBM Fermi 783696586 Complete
783694728 2025-11-01 12:58:11.809123 CHIME F1138317260 Complete
783691254 2025-11-01 12:00:18.009141 IGWN G615039 S251101aa Complete
783688972 2025-11-01 11:22:15.877774 CHIME F1138315268 Complete
783687419 2025-11-01 10:56:22.540000 Fermi/GBM Fermi 783687387 Complete
783668809 2025-11-01 05:46:12.446000 IGWN G614989 S251101p Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783668244 2025-11-01 05:36:47.913395 IGWN G614985 S251101n Complete
783667047 2025-11-01 05:16:50.476600 IGWN G614983 S251101l Complete
783666209 2025-11-01 05:02:52.988275 IGWN G614978 S251101k Complete
783663426 2025-11-01 04:16:29.609775 CHIME F1138289720 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783662634 2025-11-01 04:03:17.695300 IGWN G614970 S251101g Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783659476 2025-11-01 03:10:39.821808 IGWN G614961 S251101b Complete
783637705 2025-10-31 21:07:49.363000 IGWN S251031dw Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783636775 2025-10-31 20:52:18.633000 IGWN S251031dq Waiting for: ['n_OUTFOV', 'n_INFOV']
783633845 2025-10-31 20:03:29.080000 Fermi/GBM Fermi 783633814 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783629992 2025-10-31 18:59:15.906074 IGWN G614809 S251031cq Complete
783619870 2025-10-31 16:10:33.452000 IGWN S251031cd Complete
783603600 2025-10-31 11:39:23.484400 IGWN G614713 S251031ay Complete
783588097 2025-10-31 07:21:00.490000 Fermi/GBM Fermi 783588065 Complete
783566122 2025-10-31 01:14:45.673340 IGWN G614600 S251031g Complete
783564278 2025-10-31 00:44:02.110000 Fermi/GBM Fermi 783564247 Complete
783554762 2025-10-30 22:05:25.880000 Fermi/GBM Fermi 783554730 Complete
783552613 2025-10-30 21:29:36.540819 CHIME F1138100861 Complete
783548798 2025-10-30 20:26:01.790000 Fermi/GBM Fermi 783548766 Complete
783517264 2025-10-30 11:40:28.225098 IGWN G614471 S251030cm Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783508553 2025-10-30 09:15:17.107093 IGWN G614432 S251030bu Complete
783503167 2025-10-30 07:45:31.285146 CHIME F1138026090 Complete
783496326 2025-10-30 05:51:29.704000 IGWN S251030av Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783495319 2025-10-30 05:34:42.411700 IGWN G614365 S251030ar Complete
783490446 2025-10-30 04:13:29.738300 IGWN G614339 S251030af Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783486368 2025-10-30 03:05:31.725000 IGWN S251030x Complete
783485614 2025-10-30 02:52:57.920000 Fermi/GBM Fermi 783485582 Complete
783485350 2025-10-30 02:48:34.294904 CHIME F1138007942 Complete
783480528 2025-10-30 01:28:12.151367 IGWN G614295 S251030l Complete
783467150 2025-10-29 21:45:14.324200 IGWN G614240 S251029dq Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783463848 2025-10-29 20:50:11.805154 CHIME F1137967097 Complete
783461960 2025-10-29 20:18:44.298800 IGWN G614230 S251029di Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
783449143 2025-10-29 16:45:07.339000 IGWN S251029da Complete
783446905 2025-10-29 16:07:48.963186 CHIME F1137931935 Waiting for: ['n_OUTFOV', 'n_INFOV']
783438765 2025-10-29 13:52:09.194243 CHIME F1137928820 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
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