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
812307303 2026-09-28 16:54:24.721410 CHIME F1178813190 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812304873 2026-09-28 16:13:54.520403 CHIME F1178808287 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812304655 2026-09-28 16:10:16.560000 Fermi/GBM Fermi 812304621 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812297387 2026-09-28 14:09:09.073562 CHIME F1178795589 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812283259 2026-09-28 10:13:41.153159 CHIME F1178780473 Waiting for: ['EARTHPLOT', 'SKYPLOT']
812249985 2026-09-28 00:59:07.110000 Fermi/GBM Fermi 812249952 Waiting for: ['EARTHPLOT', 'SKYPLOT']
812248563 2026-09-28 00:35:24.613025 CHIME F1178728629 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812248315 2026-09-28 00:31:16.780000 Fermi/GBM Fermi 812248281 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE']
812244681 2026-09-27 23:30:42.750000 CALET/GBM CALET 1474587006 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812225083 2026-09-27 18:04:05.061609 CHIME F1178697084 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812162242 2026-09-27 00:36:43.800000 REALFAST Frfcand260927UT00Ngt Waiting for: ['EARTHPLOT', 'SKYPLOT']
812159837 2026-09-26 23:56:38.750000 Fermi/GBM Fermi 812159803 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812158070 2026-09-26 23:27:12.170000 Fermi/GBM Fermi 812158037 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812141788 2026-09-26 18:55:49.920000 Fermi/GBM Fermi 812141754 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812134995 2026-09-26 17:02:36.980000 Fermi/GBM Fermi 812134961 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812132453 2026-09-26 16:20:14.660000 Fermi/GBM Fermi 812132419 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812116384 2026-09-26 11:52:25.499000 EP EP WXT Trigger #01709320726 Waiting for: ['EARTHPLOT', 'SKYPLOT']
812099671 2026-09-26 07:13:53.427036 CHIME F1178628411 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812098073 2026-09-26 06:47:15.390000 CALET/GBM CALET 1474440404 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812071641 2026-09-25 23:26:42.930162 CHIME F1178570271 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812067762 2026-09-25 22:22:04.085330 CHIME F1178566281 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812065374 2026-09-25 21:42:16.253912 CHIME F1178564209 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812060473 2026-09-25 20:20:34.813607 CHIME 1160280083 F1160280083 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812060163 2026-09-25 20:15:25.175380 CHIME F1178559848 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812057126 2026-09-25 19:24:47.933033 CHIME F1178558078 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
812005303 2026-09-25 05:01:05.129819 CHIME F1178477502 Waiting for: ['EARTHPLOT', 'SKYPLOT']
811979405 2026-09-24 21:49:27 EP EP WXT Trigger #13600910088 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811976273 2026-09-24 20:57:14.987479 CHIME F1178408170 Waiting for: ['EARTHPLOT', 'SKYPLOT']
811950396 2026-09-24 13:45:57.820000 Fermi/GBM Fermi 811950362 Waiting for: ['EARTHPLOT', 'SKYPLOT']
811933709 2026-09-24 09:07:50.970000 Fermi/GBM Fermi 811933675 Waiting for: ['EARTHPLOT', 'SKYPLOT']
811905242 2026-09-24 01:13:23.560000 Fermi/GBM Fermi 811905208 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE']
811899734 2026-09-23 23:41:36.430000 Fermi/GBM Fermi 811899701 Waiting for: ['EARTHPLOT', 'SKYPLOT']
811884989 2026-09-23 19:35:50.699000 EP EP WXT Trigger #01709319842 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811824161 2026-09-23 02:42:02.800000 Fermi/GBM Fermi 811824127 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811822145 2026-09-23 02:08:27.275359 CHIME F1178188772 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811781825 2026-09-22 14:56:27.130000 Fermi/GBM Fermi 811781792 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811764072 2026-09-22 10:00:33.950000 CALET/GBM CALET 1474106408 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE']
811752041 2026-09-22 06:40:02.760000 Fermi/GBM Fermi 811752007 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811719915 2026-09-21 21:44:37.150000 Fermi/GBM Fermi 811719882 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811692114 2026-09-21 14:01:16.499000 EP EP WXT Trigger #01709319528 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811675786 2026-09-21 09:29:08.420000 Fermi/GBM Fermi 811675753 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811642495 2026-09-21 00:14:17.449000 EP EP WXT Trigger #01709318601 Waiting for: ['EARTHPLOT', 'SKYPLOT']
811612422 2026-09-20 15:53:04.049000 EP EP WXT Trigger #01709318523 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811606078 2026-09-20 14:07:19.749000 EP EP WXT Trigger #01709318522 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811593183 2026-09-20 10:32:24.790000 Fermi/GBM Fermi 811593149 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811580444 2026-09-20 07:00:05.774955 CHIME F1178112591 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811575255 2026-09-20 05:33:37.064191 CHIME F1178103314 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811570618 2026-09-20 04:16:19.967691 CHIME F1178093237 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811555602 2026-09-20 00:06:04.049000 EP EP WXT Trigger #01709318515 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
811554531 2026-09-19 23:48:12.800000 Fermi/GBM Fermi 811554497 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
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