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
789846085 2026-01-11 17:40:48.670000 Fermi/GBM Fermi 789846053 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789842031 2026-01-11 16:33:14.010000 Fermi/GBM Fermi 789841999 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789839132 2026-01-11 15:44:55.931383 CHIME F1148087293 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789835293 2026-01-11 14:40:56.886400 CHIME F1148082409 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789807077 2026-01-11 06:50:40.633855 CHIME F1148056032 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789795197 2026-01-11 03:32:40.588819 CHIME F1148042337 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789784462 2026-01-11 00:33:45.760000 CALET/GBM CALET 1452126817 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789777011 2026-01-10 22:29:34.798939 CHIME 438566430 F438566430 Complete
789757142 2026-01-10 16:58:25.689582 CHIME F1147975572 Complete
789739140 2026-01-10 11:58:23.451000 EP EP WXT Trigger #01709251242 Waiting for: ['n_OUTFOV', 'n_INFOV']
789736546 2026-01-10 11:15:09.459993 CHIME F1147961219 Complete
789659055 2026-01-09 13:43:38.151177 CHIME F1147830415 Complete
789640919 2026-01-09 08:41:22.360000 Fermi/GBM Fermi 789640887 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789623101 2026-01-09 03:44:24.790000 Fermi/GBM Fermi 789623069 Complete
789597750 2026-01-08 20:41:53.660000 Fermi/GBM Fermi 789597718 Waiting for: ['LIGHTCURVE']
789581345 2026-01-08 16:08:28.820000 Fermi/GBM Fermi 789581313 Waiting for: ['LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789578774 2026-01-08 15:25:37.670000 CALET/GBM CALET 1451921134 Waiting for: ['LIGHTCURVE']
789573115 2026-01-08 13:51:18.320000 CALET/GBM CALET 1451915474 Waiting for: ['LIGHTCURVE']
789521444 2026-01-07 23:30:07.761447 CHIME F1147609991 Waiting for: ['LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789518344 2026-01-07 22:38:27.430000 Fermi/GBM Fermi 789518312 Waiting for: ['LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789508658 2026-01-07 19:57:01.670000 Fermi/GBM Fermi 789508626 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789501736 2026-01-07 18:01:39.210000 Fermi/GBM Fermi 789501704 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789473604 2026-01-07 10:12:47.299000 EP EP WXT Trigger #01709251112 Complete
789440483 2026-01-07 01:00:46.409263 CHIME F1147447173 Complete
789360118 2026-01-06 02:41:21.887990 CHIME F1147310002 Complete
789348133 2026-01-05 23:21:36.550000 Fermi/GBM Fermi 789348101 Complete
789346068 2026-01-05 22:47:11.670000 Fermi/GBM Fermi 789346036 Complete
789331693 2026-01-05 18:47:36.299000 EP EP WXT Trigger #01709251028 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789325190 2026-01-05 16:59:13.424268 CHIME F1147226993 Complete
789298821 2026-01-05 09:39:44.504686 CHIME F1147214797 Complete
789297576 2026-01-05 09:18:59.415935 CHIME F1147214473 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789286194 2026-01-05 06:09:17.531514 CHIME F1147205942 Complete
789285067 2026-01-05 05:50:30.199000 EP EP WXT Trigger #01709250995 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789272400 2026-01-05 02:19:23.031922 CHIME F1147178849 Complete
789263914 2026-01-04 23:57:57.420000 Fermi/GBM Fermi 789263882 Complete
789215181 2026-01-04 10:25:44.049000 EP EP WXT Trigger #01709250979 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789198634 2026-01-04 05:49:57.620000 Fermi/GBM Fermi 789198602 Complete
789151462 2026-01-03 16:43:45.854464 CHIME F1146994340 Complete
789101176 2026-01-03 02:45:39.654629 CHIME F1146929591 Complete
789098088 2026-01-03 01:54:11.610000 Fermi/GBM Fermi 789098056 Complete
789096218 2026-01-03 01:23:02 CALET/GBM CALET 1451438589 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789081160 2026-01-02 21:12:03.370000 Fermi/GBM Fermi 789081128 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789070207 2026-01-02 18:09:30.389419 CHIME F1146857029 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789056941 2026-01-02 14:28:24.410000 CALET/GBM CALET 1451399313 Complete
789051047 2026-01-02 12:50:10.694219 CHIME F1146834248 Complete
789047634 2026-01-02 11:53:17.070000 Fermi/GBM Fermi 789047602 Complete
789047224 2026-01-02 11:46:27.079260 CHIME F1146833401 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789032242 2026-01-02 07:36:45.760000 CALET/GBM CALET 1451374615 Complete
789019822 2026-01-02 04:09:45.548000 SVOM ECLAIRs sb26010201 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
789016047 2026-01-02 03:06:50.575820 CHIME F1146794034 Complete
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