Tohban Report 04/25/21 - 05/01/21 Tohban Name: (updated 05/03/21 by Andrei Runov) Special Notes ------------- 1. No EL-B online summary plots for 04/28; currently no CDF files on themis-data.igpp.ucla.edu/themis/data/elfin/ 2. To check: 2021-04-26 04:35:18 - 04:41:25 2021-04-27 00:50:39 - 00:56:49 3. >Mev precipitation 2021-04-25 03:42:54 - 03:49:01 Automatic report generated 2021-05-03 22:39:50.083007 (UTC) Note: data is provisional, and may be subject to change Geomagnetic Activity Overview ----------------------------- Day Hour AE (max) AE (sd) DST (min) KP (max) Notes ------------------------------------------------------ 25 0 1435 175 -25 5.3 High activiy, 5-hrs long interval od AL<-500 nT 25 3 1133 301 -37 4.0 High activiy, 5-hrs long interval od AL<-500 nT 25 6 790 216 -25 2.7 25 9 1429 157 -38 2.7 High activiy again, ~6-hrs long interval od AL<-400 nT 25 12 998 238 -38 2.7 High activiy again, ~6-hrs long interval od AL<-400 nT 25 15 358 85 -29 1.7 The activity level decresed 25 18 601 134 -26 3.3 25 21 355 75 -21 2.0 26 0 1012 154 -23 4.3 High activity betwwe 0000 and 0700 UT, AE>500 nT, saw-tooth-like periodic activations 26 3 1269 126 -44 4.3 Saw-tooth-like periodic activations 26 6 789 235 -48 3.0 26 9 264 57 -29 1.3 Activity level decreased 26 12 451 109 -28 2.0 26 15 132 22 -17 0.7 26 18 110 18 -16 0.3 26 21 352 95 -16 2.0 27 0 696 100 -23 3.0 27 3 520 63 -21 3.0 27 6 538 76 -22 1.7 27 9 616 123 -20 1.3 27 12 490 109 -20 1.0 27 15 445 91 -12 1.0 27 18 186 43 -8 0.3 27 21 245 30 -13 0.7 28 0 264 55 -9 1.3 Low activity entire day 28 3 79 13 -5 0.0 28 6 132 21 -6 0.0 28 9 225 32 -7 0.7 28 12 205 48 -6 0.3 28 15 57 13 7 0.3 28 18 109 21 0 0.0 28 21 132 28 -6 0.7 29 0 132 22 0 1.0 Low activity 29 3 169 44 8 1.3 29 6 226 55 0 1.0 29 9 321 73 -4 1.0 29 12 430 64 -5 1.0 29 15 252 62 2 1.0 29 18 106 24 4 1.3 29 21 57 4 14 0.7 30 0 75 9 14 0.7 Low activity 30 3 113 24 18 1.3 30 6 113 10 17 0.0 30 9 90 15 8 1.0 30 12 57 12 7 0.3 30 15 506 135 15 2.7 30 18 457 101 12 2.3 Isolated substorm 30 21 112 17 10 1.7 1 0 94 17 15 1.7 Low activity 1 3 57 10 13 0.3 1 6 217 29 8 1.0 1 9 415 115 6 2.0 Isolated substorm 1 12 94 12 3 1.3 1 15 132 26 6 1.3 1 18 182 21 9 1.0 1 21 204 48 6 1.7 ELFIN Data Collection and Notes ------------------------------- Flags: * = Extremely Interesting # = Potentially Interesting 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 Outer EPD ----------------- Science Zone Range Zone Completeness Notes DL Completeness Flag Science Notes --------------------------------------------------------------------------------------------------------- 2021-04-25 02:56:57 - 03:03:00 ND 8 small gaps, mainly in end 106/128 = 83% G 2021-04-25 03:42:54 - 03:49:01 SA No significant gaps 130/129 = 101% # High fluxes, high energy precipitaion; check for saturation; completeness >100% 2021-04-25 06:01:35 - 06:07:50 ND 3 small gaps, mainly in middle/end 120/132 = 91% # High fluxes, high energy precipitaion; 2021-04-25 06:48:06 - 06:54:13 SA No significant gaps 130/129 = 101% Regular PS and RB fluxes 2021-04-25 09:13:08 - 09:19:25 ND Cut short 2/132 = 2% 2021-04-25 10:40:45 - 10:46:41 ND 2 small gaps, mainly in end 149/125 = 119% B? Completeness >100% median spin perion 2.2 s 2021-04-25 13:00:35 - 13:06:36 SA 2 large gaps, mainly in beginning 100/127 = 79% No par / anti-par spectra 2021-04-25 16:08:07 - 16:14:26 SA 1 large gap, mainly in beginning 120/133 = 90% # Precipitation bursts 2021-04-25 17:42:47 - 17:49:12 SA 2 large gaps, mainly in middle 108/135 = 80% G 2021-04-25 19:17:37 - 19:23:50 SA 1 small gap, mainly in beginning 129/131 = 98% # High fluxes, high energy precipitaion; check for saturation 2021-04-25 20:57:41 - 21:03:58 SA Cut short 4/133 = 3% 2021-04-25 23:11:47 - 23:17:58 ND 1 large gap, mainly in beginning 87/130 = 67% Regular PS and RB fluxes 2021-04-26 02:16:53 - 02:22:58 ND 3 small gaps, mainly in beginning 121/129 = 94% Regular PS and RB fluxes 2021-04-26 03:08:45 - 03:15:03 SA Cut short 4/133 = 3% 2021-04-26 04:35:18 - 04:41:25 SA 9 small gaps, mainly in middle 119/129 = 92% # Very high, isotropic fluxes; saturation? Check needed. Median spin period 2.16 s 2021-04-26 07:40:39 - 07:46:46 SA 1 small gap, mainly in beginning 120/129 = 93% Regular PS and RB fluxes 2021-04-26 10:00:26 - 10:06:30 ND 3 small gaps, mainly in end 146/128 = 114% B Median spin period 2.17 s 2021-04-26 12:20:08 - 12:26:14 SA 1 large gap, mainly in end 105/129 = 81% Regular PS and RB fluxes, No par / anti-par 2021-04-26 15:27:26 - 15:33:34 SA 1 small gap, mainly in beginning 128/130 = 98% Regular PS and RB fluxes 2021-04-26 16:21:44 - 16:28:01 ND Cut short 4/133 = 3% 2021-04-26 17:49:28 - 17:55:38 ND 2 large gaps, mainly in end 105/130 = 81% Regular PS and RB fluxes 2021-04-26 20:11:10 - 20:17:24 SA 2 small gaps, mainly in beginning 129/132 = 98% Regular PS and RB fluxes 2021-04-26 21:45:00 - 21:51:06 SA 1 small gap, mainly in end 125/129 = 97% Regular PS and RB fluxes 2021-04-26 23:17:48 - 23:24:08 SA 2 small gaps, mainly in beginning 101/134 = 75% # Precipitation bursts 2021-04-27 00:50:39 - 00:56:49 SA 2 large gaps, mainly in end 124/130 = 95% # High, neraly isotropic fluxes; Check needed. Median spin period 2.16 s 2021-04-27 02:28:41 - 02:35:00 SA Cut short 5/133 = 4% 2021-04-27 03:08:51 - 03:15:15 ND 2 small gaps, mainly in beginning 128/135 = 95% Regular PS and RB fluxes 2021-04-27 07:00:22 - 07:06:36 SA 1 large gap, mainly in beginning 120/131 = 92% Regular PS and RB fluxes 2021-04-27 09:20:03 - 09:25:59 ND 1 small gap, mainly in end 111/125 = 89% Regular PS and RB fluxes 2021-04-27 10:53:02 - 10:59:14 ND 2 small gaps, mainly in beginning 128/130 = 98% Regular PS and RB fluxes 2021-04-27 13:12:42 - 13:19:09 SA 2 small gaps, mainly in beginning 128/136 = 94% Limited PAD: No par / anti-par spectra 2021-04-27 14:06:35 - 14:12:52 ND Cut short 4/132 = 3% 2021-04-27 15:33:36 - 15:39:57 ND 2 small gaps, mainly in beginning 129/133 = 97% Regular PS and RB fluxes 2021-04-27 17:08:11 - 17:14:28 ND 1 small gap, mainly in beginning 129/132 = 98% Regular PS and RB fluxes 2021-04-27 19:30:15 - 19:36:29 SA 2 large gaps, mainly in end 111/131 = 85% G 2021-04-27 22:37:49 - 22:43:50 SA 1 small gap, mainly in beginning 119/127 = 94% Regular PS and RB fluxes 2021-04-28 00:10:31 - 00:16:37 SA 1 small gap, mainly in beginning 128/129 = 99% Regular PS and RB fluxes 2021-04-28 01:42:53 - 01:49:00 SA 1 large gap, mainly in beginning 122/129 = 95% Regular PS and RB fluxes 2021-04-28 03:15:03 - 03:21:15 SA 1 small gap, mainly in beginning 129/131 = 98% Regular PS and RB fluxes 2021-04-28 04:07:05 - 04:13:25 ND Cut short 5/134 = 4% 2021-04-28 05:33:40 - 05:39:56 ND 1 small gap, mainly in beginning 128/132 = 97% Regular PS and RB fluxes 2021-04-28 08:39:41 - 08:46:15 ND 2 small gaps, mainly in beginning 125/139 = 90% Regular PS and RB fluxes 2021-04-28 10:58:58 - 11:05:15 SA 2 large gaps, mainly in beginning 112/133 = 84% Limited PAD: No par / anti-par spectra 2021-04-28 14:05:51 - 14:12:03 SA 1 small gap, mainly in beginning 130/131 = 99% Limited PAD: No par / anti-par spectra 2021-04-28 15:47:06 - 15:53:22 SA Cut short 4/132 = 3% 2021-04-28 16:27:02 - 16:33:23 ND 2 small gaps, mainly in end 125/134 = 93% Regular PS and RB fluxes 2021-04-28 18:49:25 - 18:55:32 SA 6 small gaps, mainly in beginning 71/129 = 55% G 2021-04-28 22:43:55 - 22:50:00 ND 6 small gaps, mainly in end 132/129 = 102% B Median spin perios 2.17 s 2021-04-29 02:35:02 - 02:41:03 SA Cut short 3/127 = 2% 2021-04-29 04:07:25 - 04:13:29 SA 1 large gap, throughout 6/128 = 5% 2021-04-29 05:39:46 - 05:45:53 SA 5 large gaps, mainly in beginning 17/129 = 13% G 2021-04-30 00:22:28 - 00:28:42 SA 1 small gap, mainly in beginning 129/132 = 98% Regular PS and RB fluxes 2021-04-30 02:00:41 - 02:06:58 SA Cut short 4/132 = 3% 2021-04-30 02:40:58 - 02:47:15 ND 1 large gap, mainly in beginning 121/133 = 91% Regular PS and RB fluxes 2021-04-30 04:13:22 - 04:19:30 ND 1 large gap, mainly in end 118/130 = 91% Regular PS and RB fluxes 2021-04-30 06:32:09 - 06:38:18 SA 3 small gaps, mainly in beginning 115/130 = 88% Regular PS and RB fluxes 2021-04-30 08:05:16 - 08:11:12 SA 1 large gap, mainly in beginning 93/125 = 74% Limited PAD 2021-04-30 11:11:26 - 11:17:31 SA 1 large gap, mainly in end 114/129 = 88% Limited PAD 2021-04-30 13:38:05 - 13:44:22 ND Cut short 4/133 = 3% 2021-04-30 15:05:01 - 15:11:18 ND 1 small gap, mainly in beginning 129/133 = 97% Regular PS and RB fluxes 2021-04-30 17:27:04 - 17:33:15 SA 4 small gaps, mainly in end 161/131 = 123% B Median spin period 2.16 s 2021-04-30 21:22:38 - 21:29:04 ND 2 large gaps, mainly in beginning 101/136 = 74% G Regular PS and RB fluxes 2021-04-30 23:42:17 - 23:48:35 SA 4 small gaps, mainly in beginning 164/133 = 123% B Median spin period 2.17 s ELFIN B Outer EPD ----------------- Science Zone Range Zone Completeness Notes DL Completeness Flag Science Notes --------------------------------------------------------------------------------------------------------------- 2021-04-25 03:32:23 - 03:38:19 ND 3 large gaps, mainly in beginning 8/126 = 6% G 2021-04-25 05:51:06 - 05:57:02 SA 3 large gaps, mainly in end 14/126 = 11% G 2021-04-25 11:16:42 - 11:22:42 ND 7 large gaps, mainly in middle 26/127 = 20% G 2021-04-25 13:36:41 - 13:42:42 SA 3 large gaps, mainly in end 75/128 = 59% G High fluxes, high energy precipitation bursts 2021-04-25 16:45:02 - 16:51:05 SA 1 large gap, mainly in middle/end 115/129 = 89% Regular PS and RB fluxes 2021-04-25 18:19:53 - 18:25:53 SA No significant gaps 127/128 = 99% # High fluxes, high energy precipitation bursts 2021-04-25 19:54:25 - 20:00:26 SA No significant gaps 128/128 = 100% Regular PS and RB fluxes 2021-04-25 22:15:04 - 22:21:04 ND No significant gaps 127/127 = 100% Regular PS and RB fluxes 2021-04-25 23:47:59 - 23:54:00 ND 1 large gap, mainly in end 114/128 = 89% Regular PS and RB fluxes 2021-04-26 00:34:14 - 00:40:10 SA Cut short 1/126 = 1% 2021-04-26 02:52:45 - 02:58:41 ND 2 large gaps, mainly in beginning 4/126 = 3% 2021-04-26 05:57:43 - 06:03:39 ND 2 large gaps, mainly in middle/end 5/126 = 4% G 2021-04-26 08:16:58 - 08:22:54 SA 4 large gaps, mainly in end 12/126 = 10% G 2021-04-26 10:36:41 - 10:42:37 ND 3 large gaps, mainly in end 7/126 = 6% G 2021-04-26 12:56:33 - 13:02:36 SA 7 large gaps, mainly in end 37/128 = 29% G 2021-04-26 15:17:15 - 15:23:11 ND 3 large gaps, mainly in end 64/126 = 51% G 2021-04-26 19:13:55 - 19:19:51 SA 3 large gaps, mainly in end 68/126 = 54% G 2021-04-26 20:48:06 - 20:54:09 SA 1 large gap, mainly in beginning 117/128 = 91% Regular PS and RB fluxes 2021-04-26 22:21:36 - 22:27:37 SA 1 small gap, mainly in end 125/128 = 98% Regular PS and RB fluxes 2021-04-27 05:17:52 - 05:23:48 ND Cut short 1/125 = 1% 2021-04-27 07:37:00 - 07:43:02 SA 7 large gaps, mainly in end 18/128 = 14% G 2021-04-27 09:56:39 - 10:02:35 ND 6 small gaps, mainly in end 49/125 = 39% G 2021-04-27 12:16:25 - 12:22:28 SA 3 small gaps, mainly in middle 97/128 = 76% Regular PS and RB fluxes 2021-04-27 14:36:50 - 14:42:51 ND 2 large gaps, mainly in beginning 104/127 = 82% Regular PS and RB fluxes 2021-04-27 17:45:58 - 17:52:00 ND 1 small gap, mainly in middle/end 120/128 = 94% Regular PS and RB fluxes 2021-04-27 20:07:43 - 20:13:41 SA 1 large gap, mainly in end 115/126 = 91% Regular PS and RB fluxes 2021-04-27 21:41:30 - 21:47:31 SA 1 small gap, mainly in middle 126/127 = 99% Regular PS and RB fluxes 2021-04-27 23:14:36 - 23:20:32 SA No significant gaps 119/125 = 95% Regular PS and RB fluxes 2021-04-28 00:47:11 - 00:53:07 SA 3 large gaps, mainly in end 5/125 = 4% 2021-04-28 02:19:28 - 02:25:24 SA 2 large gaps, mainly in middle/end 9/125 = 7% 2021-04-28 03:51:46 - 03:57:42 SA 3 large gaps, mainly in middle/end 6/125 = 5% 2021-04-28 06:10:42 - 06:16:38 ND 4 large gaps, mainly in middle/end 9/125 = 7% 2021-04-28 08:30:01 - 08:35:59 SA 7 large gaps, mainly in end 45/126 = 36% No online plots 2021-04-28 10:49:45 - 10:55:41 ND 1 large gap, mainly in beginning/middle 108/125 = 86% No online plots 2021-04-28 13:56:31 - 14:02:27 ND 5 small gaps, mainly in end 89/125 = 71% No online plots 2021-04-28 17:05:12 - 17:11:13 ND 1 large gap, mainly in beginning 114/127 = 90% No online plots 2021-04-28 19:27:13 - 19:33:09 SA 7 small gaps, mainly in middle 66/125 = 53% No online plots 2021-04-28 21:48:05 - 21:54:06 ND 3 large gaps, mainly in middle 54/127 = 43% No online plots 2021-04-30 01:46:18 - 01:52:14 ND 2 large gaps, throughout 8/125 = 6% G 2021-04-30 03:18:35 - 03:24:31 ND 2 large gaps, mainly in middle/end 7/125 = 6% G 2021-04-30 05:37:16 - 05:43:12 SA 3 large gaps, mainly in middle 28/125 = 22% G 2021-04-30 07:10:05 - 07:16:03 SA 5 large gaps, mainly in end 60/126 = 48% G 2021-04-30 08:43:04 - 08:49:00 SA 2 large gaps, mainly in beginning/middle 81/125 = 65% G Regular PS and RB fluxes 2021-04-30 10:16:10 - 10:22:10 SA 3 small gaps, mainly in beginning 114/127 = 90% Regular PS and RB fluxes 2021-04-30 11:49:24 - 11:55:26 SA No significant gaps 127/128 = 99% Regular PS and RB fluxes 2021-04-30 14:09:42 - 14:15:42 ND No significant gaps 127/127 = 100% Regular PS and RB fluxes 2021-04-30 18:05:58 - 18:11:58 SA 1 small gap, mainly in middle 126/127 = 99% # Precipitation burst 2021-04-30 22:01:10 - 22:07:09 ND No significant gaps 126/127 = 99% Regular PS and RB fluxes ELFIN A Inner EPD ----------------- Science Zone Range Zone Completeness Notes DL Completeness Flag Science Notes --------------------------------------------------------------------------------------------------------------- 2021-04-25 09:13:20 - 09:23:23 IND No significant gaps 54/54 = 100% # L 2.8 - 1.1, good data 2021-04-25 20:57:55 - 21:07:47 ISA No significant gaps 53/53 = 100% L 3.1 - 1.3 2021-04-26 03:08:57 - 03:19:06 ISA 2 small gaps, mainly in end 49/54 = 91% # L 2.7 - 1.1, high fluxes 2021-04-26 16:21:58 - 16:32:04 IND 1 large gap, mainly in beginning 44/54 = 81% L 1.9 - 1.2, low fluxes 2021-04-27 02:29:04 - 02:39:01 ISA 2 small gaps, mainly in beginning/middle 48/53 = 91% # L 2.6 - 1.1 2021-04-27 14:06:46 - 14:16:54 IND No significant gaps 54/54 = 100% L 2.6 - 1.1 2021-04-28 04:07:25 - 04:17:22 IND No significant gaps 53/53 = 100% L 2.7 - 1.1 2021-04-28 15:47:17 - 15:57:19 ISA No significant gaps 54/53 = 102% L 2.7 - 1.1 completeness >100% 2021-04-29 03:27:09 - 03:37:15 IND 1 small gap, mainly in middle/end 61/54 = 113% L 2.7 - 1.1 completeness >100%, Median spin T 2.17 s 2021-04-29 15:06:17 - 15:16:21 ISA No significant gaps 54/54 = 100% L 2.5 - 1.1 high fluxes 2021-04-30 02:00:56 - 02:11:03 ISA No significant gaps 70/54 = 130% L 2.6 - 1.1 completeness >100%, Median spin T 2.16 s 2021-04-30 13:38:22 - 13:48:17 IND No significant gaps 53/53 = 100% L 2.6 - 1.2 low fluxes ELFIN B Inner EPD ----------------- Science Zone Range Zone Completeness Notes DL Completeness Flag Science Notes ------------------------------------------------------------------------------------------ 2021-04-25 04:24:35 - 04:34:29 ISA No significant gaps 53/53 = 100% # L 2.5 - 1.2, high fluxes 2021-04-25 16:05:03 - 16:14:53 IND No significant gaps 53/52 = 102% L 2.6 - 1.2, low fluxes, 2021-04-26 04:31:07 - 04:40:57 IND No significant gaps 53/52 = 102% No online plot 2021-04-26 16:11:45 - 16:21:46 ISA No significant gaps 54/53 = 102% No online plot 2021-04-27 03:51:24 - 04:01:25 IND No significant gaps 53/53 = 100% No online plot 2021-04-27 15:31:12 - 15:41:03 ISA No significant gaps 52/52 = 100% No online plot 2021-04-28 04:44:02 - 04:53:55 IND No significant gaps 53/53 = 100% No online plot 2021-04-28 16:25:02 - 16:34:49 ISA No significant gaps 52/52 = 100% No online plot 2021-04-29 09:29:00 - 09:38:55 ISA No significant gaps 53/52 = 102% L 2.6 - 1.2, high fluxes 2021-04-29 21:13:51 - 21:23:51 IND No significant gaps 53/53 = 100% L 2.9 - 1.1, low fluxes 2021-04-30 04:57:00 - 05:06:54 IND No significant gaps 52/52 = 100% L 2.6 - 1.1 2021-04-30 16:38:20 - 16:48:16 ISA No significant gaps 53/53 = 100% L 2.4 - 1.2