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
809569515 2026-08-28 00:24:37.530442 CHIME FRB20201114A Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809556318 2026-08-27 20:44:39.826068 CHIME F1175095172 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809554563 2026-08-27 20:15:25.639291 CHIME F1175090004 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809552509 2026-08-27 19:41:10.840000 Fermi/GBM Fermi 809552475 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809550064 2026-08-27 19:00:26.493465 CHIME F1175085329 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809550063 2026-08-27 19:00:25.570700 CHIME F1175085307 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809550062 2026-08-27 19:00:24.584912 CHIME F1175085306 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809537774 2026-08-27 15:35:36 IceCube Nu 12474624 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809520218 2026-08-27 10:42:59.770000 Fermi/GBM Fermi 809520184 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809512414 2026-08-27 08:32:56.449000 EP EP WXT Trigger #01709291839 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809472030 2026-08-26 21:19:51.699736 CHIME F1174989605 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809439160 2026-08-26 12:12:01.860000 Fermi/GBM Fermi 809439126 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809384559 2026-08-25 21:02:01.597202 CHIME F1174899215 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809378692 2026-08-25 19:24:13.745250 CHIME 1164200563 F1164200563 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809356074 2026-08-25 13:07:15.920000 Fermi/GBM Fermi 809356040 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809348051 2026-08-25 10:53:33 IceCube Nu 44905242 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809310583 2026-08-25 00:29:05.520448 CHIME F1174760277 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809182131 2026-08-23 12:48:12.814196 CHIME F1174605973 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809182130 2026-08-23 12:48:11.828570 CHIME F1174605968 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809161244 2026-08-23 07:00:05.827773 CHIME F1174588599 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809123541 2026-08-22 20:31:42.899000 EP EP WXT Trigger #01709287395 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809122902 2026-08-22 20:21:03.830000 Fermi/GBM Fermi 809122868 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809110274 2026-08-22 16:50:36.627000 SVOM ECLAIRs sb26082201 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
809032936 2026-08-21 19:21:38.296239 CHIME F1174466460 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808996034 2026-08-21 09:06:36.399000 EP EP WXT Trigger #01709286204 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808993852 2026-08-21 08:30:14.220000 Fermi/GBM Fermi 808993819 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808983354 2026-08-21 05:35:16.663974 CHIME F1174394828 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808976127 2026-08-21 03:34:49 IceCube Nu 51776820 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808962032 2026-08-20 23:39:54.220000 CALET/GBM CALET 1471304351 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808962027 2026-08-20 23:39:49.050000 Fermi/GBM Fermi 808961994 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808917983 2026-08-20 11:25:44.900000 Fermi/GBM Fermi 808917949 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808903691 2026-08-20 07:27:33.249000 EP EP WXT Trigger #01709285030 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808892718 2026-08-20 04:24:39.990000 Fermi/GBM Fermi 808892684 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808881179 2026-08-20 01:12:21.280000 Fermi/GBM Fermi 808881146 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808830113 2026-08-19 11:01:14.800000 Fermi/GBM Fermi 808830079 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808824075 2026-08-19 09:20:36.760000 Fermi/GBM Fermi 808824041 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808813679 2026-08-19 06:27:21.380000 Fermi/GBM Fermi 808813646 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808807863 2026-08-19 04:50:25.130000 Fermi/GBM Fermi 808807830 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808801936 2026-08-19 03:11:38.240000 Fermi/GBM Fermi 808801903 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808798680 2026-08-19 02:17:22.107403 CHIME 81965460 F81965460 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808787413 2026-08-18 23:09:35.031205 CHIME F1174123629 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808785830 2026-08-18 22:43:12.590000 Fermi/GBM Fermi 808785797 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808776710 2026-08-18 20:11:12.618000 SVOM ECLAIRs sb26081807 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808756928 2026-08-18 14:41:30.099000 SVOM ECLAIRs sb26081806 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808745217 2026-08-18 11:26:18.970000 Fermi/GBM Fermi 808745183 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808739231 2026-08-18 09:46:33.160000 Fermi/GBM Fermi 808739198 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808725198 2026-08-18 05:52:39.928097 CHIME 164138210 F164138210 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808707832 2026-08-18 01:03:14.175000 SVOM ECLAIRs sb26081801 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808663637 2026-08-17 12:46:39.300000 Fermi/GBM Fermi 808663604 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
808639868 2026-08-17 06:10:30.005625 CHIME F1173912344 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
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