Tohban Report 04/17/22 - 04/23/22 Tohban Name: Colin Wilkins (updated [04/25/22]) Special Notes ------------- Abbreviations used: - ORB=Outer Radiation Belt (visible fluxes) - IRB=Inner Radiation Belt (visible fluxes) - PS=Plasma Sheet (visible fluxes) - IB=Isotropic Boundary - prxn=precipitation - LE=low-energy (~500 keV or less) - ME=medium-energy (~500 to 1000 keV) - HE=high-energy (~1 MeV or greater) - SAA=south atlantic anomaly - NS=nightside - DS=dayside - HL=high-latitude Automatic report generated 2022-04-25 15:00:07.026804 (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 ------------------------------------------------------ 17 0 278 58 -10 2.7 ... 17 3 685 148 -8 3.0 ... 17 6 340 91 -8 2.0 ... 17 9 415 90 -16 2.0 ... 17 12 206 36 -9 2.3 ... 17 15 672 142 -13 3.0 ... 17 18 285 55 -11 1.7 ... 17 21 264 64 -12 2.3 ... 18 0 88 14 -9 1.3 ... 18 3 291 74 4 2.3 ... 18 6 412 74 -3 2.3 ... 18 9 682 146 -13 2.3 ... 18 12 170 26 -10 0.7 ... 18 15 455 120 -11 2.3 ... 18 18 651 152 -21 3.3 ... 18 21 132 20 -14 1.3 ... 19 0 410 101 -9 3.0 ... 19 3 474 118 -1 2.3 ... 19 6 301 53 -5 1.7 ... 19 9 306 74 -7 1.7 ... 19 12 736 124 -5 2.0 ... 19 15 94 16 -4 0.7 ... 19 18 168 41 -6 0.3 ... 19 21 170 37 -8 0.7 ... 20 0 449 115 4 3.3 ... 20 3 242 55 4 1.7 ... 20 6 354 75 -7 2.0 ... 20 9 111 17 -5 1.3 ... 20 12 75 11 -3 0.3 ... 20 15 75 13 4 1.3 ... 20 18 149 32 0 1.7 ... 20 21 792 202 5 3.3 ... 21 0 485 82 9 2.7 ... 21 3 622 102 2 2.7 ... 21 6 686 114 -16 3.0 ... 21 9 446 83 -12 2.0 ... 21 12 495 103 -22 3.0 ... 21 15 208 42 -11 1.7 ... 21 18 318 69 -10 2.0 ... 21 21 168 31 -2 1.3 ... 22 0 129 22 0 1.3 ... 22 3 256 55 3 2.3 ... 22 6 94 17 6 1.0 ... 22 9 294 66 -7 1.7 ... 22 12 132 24 -4 1.3 ... 22 15 488 145 -4 1.7 ... 22 18 335 75 -7 1.7 ... 22 21 147 26 -4 1.3 ... 23 0 261 57 -4 2.3 ... 23 3 204 43 7 1.7 ... 23 6 256 58 12 1.3 ... 23 9 1192 326 -9 3.3 AE activation 23 12 754 146 -21 3.0 ... 23 15 273 41 -18 2.3 ... 23 18 603 149 -14 2.7 ... 23 21 736 187 -20 3.7 ... 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 -------------------------------------------------------------------------------------------------------------- 2022-04-20 01:38:56 - 01:44:58 ND 1 large gap, mainly in end 17/128 = 13% G,B? Gaps but also looks like a short collection? 2022-04-20 03:01:33 - 03:07:32 NA 2 large gaps, mainly in beginning 63/127 = 50% G,# Moderately strong HL LE prxn; gaps in key areas 2022-04-20 07:40:10 - 07:46:06 NA 5 large gaps, mainly in beginning 28/126 = 22% B Bad FGM state 2022-04-20 09:25:19 - 09:31:15 ND 5 large gaps, mainly in end 49/126 = 39% G ... 2022-04-20 12:16:04 - 12:22:00 NA 3 large gaps, mainly in middle/end 29/126 = 23% G,#? Looks like moderately strong LE prxn in ORB; gaps in key areas 2022-04-20 13:59:54 - 14:05:54 ND 6 large gaps, mainly in middle 55/128 = 43% G ... 2022-04-20 16:50:31 - 16:56:27 NA 5 large gaps, mainly in middle 26/126 = 21% G ... 2022-04-20 20:07:19 - 20:13:19 ND 1 large gap, mainly in beginning/middle 112/128 = 88% ... ORB with IB likely 2022-04-21 00:44:34 - 00:50:30 ND 1 large gap, mainly in middle/end 8/125 = 6% G ... 2022-04-21 02:17:43 - 02:23:39 ND 3 large gaps, mainly in beginning 13/125 = 10% G ... 2022-04-21 03:40:20 - 03:46:16 NA 3 large gaps, mainly in beginning 12/125 = 10% G ... 2022-04-21 09:50:36 - 09:56:36 NA 3 large gaps, mainly in beginning 28/127 = 22% G,# Looks like moderately strong LE/ME prxn in ORB; gaps in key areas 2022-04-21 13:06:22 - 13:12:21 ND 3 large gaps, mainly in middle 81/126 = 64% ... ORB with minor LE prxn; IB likely 2022-04-21 15:56:56 - 16:02:58 NA 2 large gaps, mainly in end 107/128 = 84% ... ORB 2022-04-21 17:28:29 - 17:34:32 NA 1 large gap, mainly in end 121/128 = 95% ... ORB 2022-04-21 19:13:21 - 19:19:23 ND 1 large gap, mainly in middle/end 55/128 = 43% G ... ELFIN B Outer EPD ----------------- Science Zone Range Zone Completeness Notes DL Completeness Flag Science Notes -------------------------------------------------------------------------------------------------------------- 2022-04-17 02:26:44 - 02:32:47 NA 5 small gaps, mainly in end 106/126 = 84% ... ORB 2022-04-17 07:18:41 - 07:24:42 ND 3 large gaps, mainly in middle 85/126 = 67% G,#? ORB with many localized features (a number of gaps) 2022-04-17 13:14:11 - 13:20:13 NA No significant gaps 126/126 = 100% ... ORB with some localized LE HL prxn 2022-04-17 19:34:06 - 19:40:07 ND No significant gaps 126/126 = 100% ... ORB 2022-04-19 02:13:49 - 02:19:45 NA 2 large gaps, mainly in beginning 77/125 = 62% G ORB with some IRB; minor LE HL prxn 2022-04-19 03:58:27 - 04:04:23 ND 2 small gaps, mainly in end 74/125 = 59% ... ORB with some localized structures 2022-04-19 08:25:34 - 08:31:30 NA 1 large gap, mainly in middle 75/125 = 60% G,# ORB with periodic localized LE/ME precipitation structures 2022-04-19 09:57:45 - 10:03:41 NA 4 large gaps, mainly in middle 65/125 = 52% G ORB 2022-04-19 13:13:43 - 13:19:39 ND 4 large gaps, mainly in middle/end 50/125 = 40% G ORB 2022-04-19 14:32:52 - 14:38:52 NA 4 large gaps, mainly in end 51/127 = 40% G ORB 2022-04-19 16:16:59 - 16:22:55 ND 4 large gaps, mainly in middle 39/125 = 31% G ORB with some IRB 2022-04-19 19:08:11 - 19:14:12 NA 3 large gaps, mainly in end 61/127 = 48% ... ORB with some localized structures 2022-04-21 00:38:07 - 00:44:08 ND 2 large gaps, mainly in end 104/129 = 81% G ORB with an IB likely 2022-04-21 03:34:01 - 03:40:02 NA 2 small gaps, mainly in beginning 107/130 = 82% ... ORB 2022-04-21 09:44:38 - 09:50:34 NA 1 large gap, mainly in middle 113/128 = 88% #/*? ORB with moderately strong periodic localized LE/ME prxn structures 2022-04-21 13:00:37 - 13:06:33 ND Cut short 1/128 = 1% G ... 2022-04-21 15:51:16 - 15:57:12 NA Cut short 2/128 = 2% G ... 2022-04-22 01:17:54 - 01:23:52 ND 5 large gaps, mainly in end 73/128 = 57% G Depleted ORB 2022-04-22 02:40:36 - 02:46:32 NA 1 large gap, mainly in beginning/middle 15/128 = 12% G ... ELFIN A Inner EPD ----------------- ELFIN B Inner EPD -----------------