Tohban Report 11/22/20 - 11/29/20 Tohban Name: Xiaojia Zhang (updated 11/30/20) Dates covered: 11/22/20 - 11/29/20 Note: data is provisional, and may be subject to change Potentially interesting science zones to prioritize for downlink: 2020-11-23, around 2:40-4:40UT; 2020-11-24, around 10-11UT; 2020-11-25, around 7:50-8:05UT and 11-12UT; 2020-11-26, around 12-15UT; 2020-11-27, around 16-17UT (weak) and 18:20-18:25 UT (weak); 2020-11-28, around 19:20-21:00UT Geomagnetic Activity Overview -------------------------------------------- DAY (2020-11-) AE(max) Dst(min) Kp(max) Notes 22 ~1300 ~-40 5 Active day, with prolonged high AE values and many weak/major substorms 23 ~600 ~-30 3 A major substorm 24 ~500 ~-20 1 A quiet day 25 ~1000 ~-25 3 High AE values during the later half of the day, with two major substorms 26 ~1000 ~-10 2 Two major substorms 27 ~1100 ~-20 3 Two major substorms 28 ~1000 ~-20 3 Active day, with prolonged high AE values and many weak/major substorms ELFIN Data Collection and Notes ------------------------------- Flags: ! = High Priority DL [operators will downlink at first available pass] * = Interesting Collection [operators will prioritize filling in gaps over typical collections, i.e. gaps will be filled in] # = Typical Collection [further downlink will only occur if onboard interesting data is gapless, i.e. gaps unlikely to be filled in] G = Too many gaps, need more data to judge B = Bad data [indicates something wrong with instruments, not availability status] T = Test data [indicates data is no good for science, elaborate on test conditions in notes] Zones: NA: North Ascending ND: North Descending SD: South Descending SA: South Ascending ELFIN A --------------------------------------------------------------------------------------------------- Science Zone Start Science Zone Stop Zone Completeness notes DL Completeness Flag Science Notes 2020-11-22 02:03:19 2020-11-22 02:09:28 SA Multiple data gaps 52/131 G 2020-11-22 08:15:38 2020-11-22 08:21:42 SA Multiple data gaps 42/129 G 2020-11-22 12:53:34 2020-11-22 12:59:43 SA Multiple data gaps 66/131 G 2020-11-22 15:59:50 2020-11-22 16:05:46 SA Multiple data gaps 46/126 G 2020-11-22 19:06:42 2020-11-22 19:12:38 SA Multiple small gaps 83/126 # Regularly-populated plasma sheet and outer belt 2020-11-22 22:14:56 2020-11-22 22:20:52 SA Multiple data gaps 61/126 G 2020-11-23 02:58:53 2020-11-23 03:05:03 SA No gaps 128/131 ! Intense 100s of keV electron precipitation, in conjunction with THEMIS-captured chorus waves 2020-11-23 06:05:17 2020-11-23 06:11:26 SA Two small gaps 121/131 * Intense 100s of keV electron precipitation 2020-11-23 10:42:41 2020-11-23 10:48:51 SA One gap 123/131 * Interesting MeV electron precipitation, but not in conjunction with THEMIS 2020-11-23 15:21:38 2020-11-23 15:27:36 SA Two small gaps 122/127 * Interesting bursts of plasma sheet electron precipitation 2020-11-23 18:28:19 2020-11-23 18:34:15 SA Multiple data gaps 39/126 G 2020-11-25 07:54:23 2020-11-25 08:00:34 SA No gaps 127/131 ! In conjunction with THEMIS-captured EMIC waves around the plasmapause (L~5.5) 2020-11-25 10:59:22 2020-11-25 11:05:18 SA One data gap 108/125 # In conjunction with THEMIS-captured EMIC waves at L~10 2020-11-25 14:05:14 2020-11-25 14:11:23 SA One big gap 105/130 # Regularly-populated plasma sheet and outer belt 2020-11-25 17:11:44 2020-11-25 17:17:54 SA One big gap 106/130 # Regularly-populated plasma sheet and outer belt 2020-11-25 18:45:11 2020-11-25 18:51:19 SA Two data gaps 116/130 # Regularly-populated plasma sheet and outer belt 2020-11-25 21:53:16 2020-11-25 21:59:12 SA Multiple data gaps 81/125 G 2020-11-26 04:10:56 2020-11-26 04:16:52 SA Multiple data gaps 13/125 G 2020-11-26 07:16:26 2020-11-26 07:22:35 SA Multiple data gaps 52/130 G 2020-11-26 10:21:18 2020-11-26 10:27:14 SA One gap 91/125 # Regularly-populated plasma sheet and outer belt 2020-11-26 13:27:01 2020-11-26 13:33:11 SA Multiple data gaps 106/130 ! In conjunction with THEMIS-captured EMIC waves at L~6.7-10 2020-11-26 16:33:24 2020-11-26 16:39:35 SA Two gaps 121/131 # Regularly-populated plasma sheet and outer belt 2020-11-26 19:40:23 2020-11-26 19:46:19 SA Multiple data gaps 79/125 G Looks like regularly-populated plasma sheet and outer belt 2020-11-26 22:49:14 2020-11-26 22:55:10 SA Multiple data gaps 42/125 G 2020-11-27 01:58:42 2020-11-27 02:04:52 SA Three gaps 110/131 # Regularly-populated plasma sheet and outer belt 2020-11-27 05:05:47 2020-11-27 05:11:56 SA Multiple data gaps 106/131 # Regularly-populated plasma sheet and outer belt 2020-11-27 08:10:52 2020-11-27 08:16:59 SA Multiple data gaps 100/130 # Regularly-populated plasma sheet and outer belt 2020-11-27 14:21:53 2020-11-27 14:27:49 SA Multiple data gaps 68/126 ! Intense 100s of keV electron precipitation, in conjunction with THEMIS-captured chorus waves (L>~6) 2020-11-27 17:28:25 2020-11-27 17:34:35 SA No gaps 128/131 ! In conjunction with THEMIS-captured EMIC waves at L~8 2020-11-27 20:35:45 2020-11-27 20:41:55 SA Multiple data gaps 95/131 # Regularly-populated plasma sheet and outer belt 2020-11-27 23:45:14 2020-11-27 23:51:25 SA Two big gaps 108/132 # Regularly-populated plasma sheet and outer belt 2020-11-28 02:54:08 2020-11-28 03:00:18 SA Multiple small gaps 123/131 # Regularly-populated plasma sheet and outer belt 2020-11-28 04:27:36 2020-11-28 04:33:48 SA One big gap 102/132 * Bursts of 100s of keV electron precipitation, in conjunction with ERG-captured chorus at L~8 2020-11-28 06:00:27 2020-11-28 06:06:37 SA One gap 124/131 # Regularly-populated plasma sheet and outer belt 2020-11-28 09:05:18 2020-11-28 09:11:30 SA No gaps 128/132 # Regularly-populated plasma sheet and outer belt 2020-11-28 12:10:38 2020-11-28 12:16:48 SA One gap 118/131 # Regularly-populated plasma sheet and outer belt 2020-11-28 15:16:48 2020-11-28 15:22:47 SA Two gaps 113/127 # Regularly-populated plasma sheet and outer belt 2020-11-28 18:23:30 2020-11-28 18:29:43 SA No gaps 113/132 * MeV electron precipitation 2020-11-28 21:31:24 2020-11-28 21:37:20 SA Two big gaps 64/126 ! In conjunction with THEMIS-captured EMIC waves at L~8 and chorus waves ELFIN B --------------------------------------------------------------------------------------------------- Science Zone Start Science Zone Stop Zone Completeness notes DL Completeness Flag Science Notes 2020-11-22 03:56:03 2020-11-22 04:02:12 SA One gap 123/131 # Regularly-populated plasma sheet and outer belt 2020-11-22 07:02:03 2020-11-22 07:08:12 SA One small gap 127/131 ! Intense 100s of keV electron precipitation, in conjunction with ERG-captured chorus waves at L~8 2020-11-22 08:34:40 2020-11-22 08:40:49 SA No gaps 128/131 ! Intense, localized 100s of keV electron precipitation, in conjunction with ERG-captured chorus waves 2020-11-22 14:45:29 2020-11-22 14:51:40 SA No gaps 128/131 * Intense 100s of keV electron precipitation 2020-11-22 16:19:03 2020-11-22 16:25:14 SA One gap 125/131 * Intense 100s of keV electron precipitation 2020-11-22 22:36:25 2020-11-22 22:42:34 SA One gap 125/131 * Intense 100s of keV electron precipitation, in rough conjunction with ERG-captured chorus waves 2020-11-23 04:51:19 2020-11-23 04:57:28 SA One big gap 99/131 ! In conjunction with THEMIS-captured EMIC waves at L~9 and THEMIS-captured chorus waves 2020-11-23 11:01:59 2020-11-23 11:08:10 SA One gap 125/132 ! Intense 100s of keV electron precipitation, in conjunction with ERG-captured chorus waves at L~10 2020-11-23 12:34:36 2020-11-23 12:40:44 SA One gap 120/130 ! Bursts of 100s of keV electron precipitation, in conjunction with ERG-captured chorus waves at L~10 2020-11-23 15:40:55 2020-11-23 15:46:56 SA Multiple gaps 97/128 * Bursts of 100s of keV electron precipitation 2020-11-23 21:58:02 2020-11-23 22:04:13 SA Multiple gaps 73/131 ! 100s of keV electron precipitation, in conjunction with ERG-captured chorus waves at L~6.7 2020-11-23 23:32:20 2020-11-23 23:38:28 SA Multiple gaps 58/130 G 2020-11-26 03:57:14 2020-11-26 04:03:27 SA Multiple gaps 110/130 * MeV electron precipitation 2020-11-26 08:35:16 2020-11-26 08:41:25 SA Two gaps 114/129 * MeV electron precipitation 2020-11-26 13:13:27 2020-11-26 13:19:38 SA Two gaps 120/130 ! In conjunction with THEMIS-captured EMIC waves, with potential MeV electron precipitation 2020-11-26 17:53:14 2020-11-26 17:59:24 SA Two gaps 117/129 * MeV electron precipitation 2020-11-26 21:00:49 2020-11-26 21:06:57 SA Multiple gaps 107/129 * Bursts of 100s of keV electron precipitation 2020-11-26 21:37:10 2020-11-26 21:43:22 SA No gaps 127/130 # Regularly-populated plasma sheet and outer belt 2020-11-26 22:35:33 2020-11-26 22:41:29 SA No gaps 116/124 * Bursts of 100s of keV electron precipitation 2020-11-27 03:19:07 2020-11-27 03:25:20 SA One gap 121/132 # Regularly-populated plasma sheet and outer belt 2020-11-27 12:35:31 2020-11-27 12:41:39 SA No gaps 127/130 # Regularly-populated plasma sheet and outer belt 2020-11-27 15:41:49 2020-11-27 15:47:58 SA One gap 112/131 * In rough conjunction with THEMIS-captured EMIC waves at L~8 2020-11-27 20:22:26 2020-11-27 20:28:34 SA Multiple gaps 97/131 # Regularly-populated plasma sheet and outer belt 2020-11-27 23:31:52 2020-11-27 23:37:57 SA Two gaps 112/129 # Regularly-populated plasma sheet and outer belt 2020-11-28 03:14:39 2020-11-28 03:20:50 NA No gaps 128/131 # Regularly-populated plasma sheet and outer belt 2020-11-28 04:14:29 2020-11-28 04:20:38 SA No gaps 127/130 * Bursts of 100s of keV electron precipitation 2020-11-28 04:47:53 2020-11-28 04:54:02 NA No gaps 127/130 * Bursts of 100s of keV electron precipitation 2020-11-28 08:52:19 2020-11-28 08:58:30 SA Two gaps 118/131 * MeV electron precipitation 2020-11-28 12:31:07 2020-11-28 12:37:17 NA No gaps 127/130 * Bursts of 100s of keV electron precipitation 2020-11-29 06:42:12 2020-11-29 06:48:08 SA Multiple gaps 29/125 G 2020-11-29 08:14:37 2020-11-29 08:20:47 SA Multiple gaps 98/130 * MeV electron precipitation 2020-11-29 08:48:16 2020-11-29 08:54:26 NA No gaps 127/130 * 100s of keV electron precipitation 2020-11-29 14:25:47 2020-11-29 14:31:43 SA Three gaps 107/125 * MeV electron precipitation 2020-11-29 17:32:24 2020-11-29 17:38:32 SA One small gap 113/130 * MeV electron precipitation 2020-11-29 22:14:29 2020-11-29 22:20:25 SA One big gap 79/125 G