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
813850893 2026-10-16 13:40:55.290000 Fermi/GBM Fermi 813850860 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813822016 2026-10-16 05:39:37.547447 CHIME F1182134909 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813816497 2026-10-16 04:07:39.183183 CHIME F1182123812 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813815019 2026-10-16 03:43:00.849000 EP EP WXT Trigger #01709321333 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813806186 2026-10-16 01:15:47.830000 Fermi/GBM Fermi 813806152 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813806033 2026-10-16 01:13:15.189743 CHIME F1144051464 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813778710 2026-10-15 17:37:52.200000 EP EP WXT Trigger #11900946826 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813772395 2026-10-15 15:52:36.960000 Fermi/GBM Fermi 813772361 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813765704 2026-10-15 14:01:05.780000 Fermi/GBM Fermi 813765670 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813765280 2026-10-15 13:54:01.810000 CALET/GBM CALET 1476107575 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813762975 2026-10-15 13:15:36.650000 EP EP WXT Trigger #11900947714 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813758810 2026-10-15 12:06:12.276444 CHIME F1181974935 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813751436 2026-10-15 10:03:17.976601 CHIME F1181966965 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813741666 2026-10-15 07:20:27.861055 CHIME F1160280083 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813697061 2026-10-14 18:57:02.931651 CHIME F1181895130 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813664255 2026-10-14 09:50:17.240000 Fermi/GBM Fermi 813664222 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813609441 2026-10-13 18:36:42.756146 CHIME F1181749028 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813592702 2026-10-13 13:57:44.120000 Fermi/GBM Fermi 813592669 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813590777 2026-10-13 13:25:38.940000 Fermi/GBM Fermi 813590743 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813513433 2026-10-12 15:56:35.240000 Fermi/GBM Fermi 813513400 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813455511 2026-10-11 23:51:12.392607 CHIME F1181397151 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813438486 2026-10-11 19:07:27.663806 CHIME F1181345799 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813432449 2026-10-11 17:26:50.570000 Fermi/GBM Fermi 813432415 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813422840 2026-10-11 14:46:42.365294 CHIME F1181331085 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813419382 2026-10-11 13:49:04.139000 SVOM ECLAIRs sb26101102 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813394317 2026-10-11 06:51:19.370000 Fermi/GBM Fermi 813394284 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813388288 2026-10-11 05:10:49.420000 Fermi/GBM Fermi 813388254 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813362746 2026-10-10 22:05:08.037738 CHIME F1181253719 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813359811 2026-10-10 21:16:12.490000 Fermi/GBM Fermi 813359777 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813358791 2026-10-10 20:59:12.660000 REALFAST Frfcand261010UT20UYH Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813353894 2026-10-10 19:37:35.630000 Fermi/GBM Fermi 813353860 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813352661 2026-10-10 19:17:03.160000 Fermi/GBM Fermi 813352628 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813351730 2026-10-10 19:01:31.450000 Fermi/GBM Fermi 813351696 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813345240 2026-10-10 17:13:22.260000 Fermi/GBM Fermi 813345207 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813334216 2026-10-10 14:09:37.910000 Fermi/GBM Fermi 813334182 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813319234 2026-10-10 09:59:55.760000 Fermi/GBM Fermi 813319200 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813299852 2026-10-10 04:36:54.030000 Fermi/GBM Fermi 813299819 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813284363 2026-10-10 00:18:44.999000 EP EP WXT Trigger #01709321061 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813277189 2026-10-09 22:19:11.330000 Fermi/GBM Fermi 813277156 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813262200 2026-10-09 18:09:21.435036 CHIME F1181002318 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813236600 2026-10-09 11:02:41.840000 Fermi/GBM Fermi 813236566 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813201946 2026-10-09 01:25:07.898262 CHIME F1180884609 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813198194 2026-10-09 00:22:35.930000 Fermi/GBM Fermi 813198160 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813176386 2026-10-08 18:19:08.290000 Fermi/GBM Fermi 813176353 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813175217 2026-10-08 17:59:38.440000 Fermi/GBM Fermi 813175183 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813118935 2026-10-08 02:21:36.630456 CHIME F1180697253 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813112688 2026-10-08 00:37:30.214757 CHIME F1180687027 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813106485 2026-10-07 22:54:06.881291 CHIME F1180681497 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813078355 2026-10-07 15:05:16.549000 EP EP WXT Trigger #01709321008 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
813072057 2026-10-07 13:20:18.700000 Fermi/GBM Fermi 813072023 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
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