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
793303207 2026-02-20 17:59:30.330000 Fermi/GBM Fermi 793303175 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793295386 2026-02-20 15:49:09.044917 CHIME F1152808914 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793295385 2026-02-20 15:49:07.891318 CHIME F1152808894 F1152809710 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793295384 2026-02-20 15:49:07.723534 CHIME F1152808897 F1152808997 F1152808998 F1152809080 F1152809081 F1152810569 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793295383 2026-02-20 15:49:05.835556 CHIME F1152807023 F1152808590 F1152808741 F1152808839 F1152808951 F1152809673 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793295382 2026-02-20 15:49:05.227613 CHIME F1152806839 F1152806952 F1152807008 F1152807061 F1152807230 F1152807478 F1152807486 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793295381 2026-02-20 15:49:03.906005 CHIME F1152806899 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793295380 2026-02-20 15:49:03.570438 CHIME F1152807090 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793289546 2026-02-20 14:11:49.452536 CHIME F1152795720 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793280000 2026-02-20 11:32:43.714708 CHIME 437794746 F437794746 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793235742 2026-02-19 23:15:05.023979 CHIME F1152717628 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793221807 2026-02-19 19:22:50.376324 CHIME F1152686977 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793215629 2026-02-19 17:39:52.350000 Fermi/GBM Fermi 793215597 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793202731 2026-02-19 14:04:53.810000 Fermi/GBM Fermi 793202698 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793194145 2026-02-19 11:41:48.068193 CHIME 437794746 F437794746 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793177852 2026-02-19 07:10:15.055904 CHIME F1152611790 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793106591 2026-02-18 11:22:34.480000 Fermi/GBM Fermi 793106559 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793100549 2026-02-18 09:41:52.310000 Fermi/GBM Fermi 793100517 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793083245 2026-02-18 04:53:28.001000 SVOM ECLAIRs sb26021801 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793060553 2026-02-17 22:35:16.386703 CHIME F1152451299 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793057603 2026-02-17 21:46:05.799000 EP EP WXT Trigger #01709258455 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793012729 2026-02-17 09:18:12.010000 Fermi/GBM Fermi 793012697 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793012371 2026-02-17 09:12:14.160428 CHIME F1152400498 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
793003556 2026-02-17 06:45:19.350000 Fermi/GBM Fermi 793003524 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792999369 2026-02-17 05:35:32.480000 Fermi/GBM Fermi 792999337 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792987197 2026-02-17 02:12:40.300000 Fermi/GBM Fermi 792987165 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792969394 2026-02-16 21:15:57.070000 Fermi/GBM Fermi 792969362 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792952531 2026-02-16 16:34:54 Fermi/GBM Fermi 792952499 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792947390 2026-02-16 15:09:12.980000 Fermi/GBM Fermi 792947357 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792936758 2026-02-16 12:12:01.400000 Fermi/GBM Fermi 792936726 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792930723 2026-02-16 10:31:26.290000 Fermi/GBM Fermi 792930691 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792917419 2026-02-16 06:49:41.971668 CHIME F1152308419 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792909104 2026-02-16 04:31:07.400000 CALET/GBM CALET 1455251392 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792893387 2026-02-16 00:09:09.942017 CHIME FRB20180916B Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792860719 2026-02-15 15:04:42.513171 CHIME F1152233801 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792851860 2026-02-15 12:37:02.810000 Fermi/GBM Fermi 792851827 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792846023 2026-02-15 10:59:46.503193 CHIME F1152228339 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792845648 2026-02-15 10:53:31.600000 Fermi/GBM Fermi 792845616 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792845337 2026-02-15 10:48:20.512770 CHIME F1152228124 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792833777 2026-02-15 07:35:39.884280 CHIME F1152226463 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792818106 2026-02-15 03:14:28.817548 CHIME 160882122 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792813193 2026-02-15 01:52:36.670000 Fermi/GBM Fermi 792813161 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792801072 2026-02-14 22:30:35.270000 CALET/GBM CALET 1455143362 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792799489 2026-02-14 22:04:12.299000 EP EP WXT Trigger #01709258389 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792794321 2026-02-14 20:38:04.049000 EP EP WXT Trigger #01709258386 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792778832 2026-02-14 16:19:55.129549 CHIME F1152156841 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792765584 2026-02-14 12:39:07.306948 CHIME F1152137475 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792746092 2026-02-14 07:14:14.849241 CHIME F1152126403 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792736945 2026-02-14 04:41:47.829686 CHIME 1146493775 Waiting for: ['n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
792705557 2026-02-13 19:58:40.199000 EP EP WXT Trigger #01709258378 Waiting for: ['EARTHPLOT', 'SKYPLOT', 'LIGHTCURVE', 'ATTITUDE', 'n_FULLRATE', 'n_SPLITRATE', 'n_OUTFOV', 'n_INFOV']
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