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
795096065 2026-03-13 12:00:28.580000 Fermi/GBM Fermi 795096033 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
795079631 2026-03-13 07:26:33.802719 CHIME F1155031997 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
795078480 2026-03-13 07:07:22.789791 CHIME F1155030967 F1155030968 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
795069853 2026-03-13 04:43:35.824699 CHIME 393254560 F393254560 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
795040019 2026-03-12 20:26:21.714162 CHIME F1154976284 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
795021052 2026-03-12 15:10:14.671638 CHIME F1154822266 Waiting for: ['n_OUTFOV']
795001643 2026-03-12 09:46:46.050000 Fermi/GBM Fermi 795001611 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794995479 2026-03-12 08:04:02.510000 Fermi/GBM Fermi 794995447 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794994951 2026-03-12 07:55:13.799000 EP EP WXT Trigger #01709258843 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794984661 2026-03-12 05:03:44.210000 Fermi/GBM Fermi 794984629 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794948490 2026-03-11 19:00:53.040000 REALFAST Frfcand260311UT19BqS Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794948312 2026-03-11 18:57:55.420000 Fermi/GBM Fermi 794948280 Complete
794921342 2026-03-11 11:28:25.428692 CHIME FRB20201114A Complete
794916261 2026-03-11 10:03:44.550682 CHIME F1154714503 Complete
794892977 2026-03-11 03:35:40.620000 Fermi/GBM Fermi 794892945 Complete
794871721 2026-03-10 21:41:23.890000 Fermi/GBM Fermi 794871688 Waiting for: ['n_OUTFOV', 'n_INFOV']
794828815 2026-03-10 09:46:18.390000 Fermi/GBM Fermi 794828783 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794824725 2026-03-10 08:38:07.756573 CHIME F1154605344 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794823786 2026-03-10 08:22:29.390000 Fermi/GBM Fermi 794823754 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794820138 2026-03-10 07:21:41.240000 Fermi/GBM Fermi 794820106 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794819300 2026-03-10 07:07:43.263676 CHIME F1154604937 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794818556 2026-03-10 06:55:19.280000 Fermi/GBM Fermi 794818524 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794811468 2026-03-10 04:57:10.810000 Fermi/GBM Fermi 794811435 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794778441 2026-03-09 19:46:43.826567 CHIME F1154569665 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794756159 2026-03-09 13:35:21.895560 CHIME F1154554242 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794733701 2026-03-09 07:21:04.559138 CHIME F1154551346 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794730647 2026-03-09 06:30:09.704899 CHIME F1154551343 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794708115 2026-03-09 00:14:38.511423 CHIME F1154532887 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794704147 2026-03-08 23:08:29.709862 CHIME F1154529647 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794693189 2026-03-08 20:05:52.450000 Fermi/GBM Fermi 794693157 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794683791 2026-03-08 17:29:13.714038 CHIME F1154499732 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794652213 2026-03-08 08:42:55.790000 CALET/GBM CALET 1456994566 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794620274 2026-03-07 23:50:37.147962 CHIME F1154425252 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794590992 2026-03-07 15:42:34.670000 CALET/GBM CALET 1456933347 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794583943 2026-03-07 13:45:06.207000 SVOM ECLAIRs sb26030704 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794575716 2026-03-07 11:27:59.320000 Fermi/GBM Fermi 794575684 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794575713 2026-03-07 11:27:56.480000 CALET/GBM CALET 1456918069 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794569136 2026-03-07 09:38:19.530112 CHIME F1154366591 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794559920 2026-03-07 07:04:43.155600 CHIME F1154361137 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794552717 2026-03-07 05:04:40.057715 CHIME F1154355329 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794524189 2026-03-06 21:09:11.717110 CHIME F1154320981 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794474744 2026-03-06 07:25:07.130000 CALET/GBM CALET 1456817102 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794453397 2026-03-06 01:29:20.649000 EP EP WXT Trigger #01709258759 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794427132 2026-03-05 18:11:35.459510 CHIME F1154181878 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794417323 2026-03-05 15:28:05.937544 CHIME F1154143932 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794417321 2026-03-05 15:28:04.448378 CHIME F1154144848 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794417320 2026-03-05 15:28:03.462587 CHIME F1154143974 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794417319 2026-03-05 15:28:02.497786 CHIME F1154143742 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794379786 2026-03-05 05:02:28.915584 CHIME F1154119999 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
794371335 2026-03-05 02:41:38.190000 Fermi/GBM Fermi 794371303 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
Page 1