Tohban Report 09/26/21 - 10/02/21 Tohban Name: Colin Wilkins (updated [10/4/21]) Special Notes ------------- - Tohban report did not include the latest ELA downlinks for ELA on 2021/9/29 Abbreviations used: - ORB=Outer Radiation Belt - IRB=Inner Radiation Belt - PS=Plasma Sheet - 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 2021-10-04 15:00:04.338103 (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 ------------------------------------------------------ 26 0 151 15 -13 0.7 ... 26 3 113 13 -13 0.3 ... 26 6 91 8 -5 0.0 ... 26 9 94 6 -12 0.0 ... 26 12 113 9 -12 0.0 ... 26 15 94 7 -8 0.0 ... 26 18 94 9 -8 0.3 ... 26 21 113 13 2 0.7 ... 27 0 307 68 -2 2.3 ... 27 3 319 69 -2 2.3 ... 27 6 113 13 6 1.0 ... 27 9 302 57 0 1.0 ... 27 12 187 22 1 0.7 ... 27 15 321 63 5 1.7 ... 27 18 188 24 14 1.0 ... 27 21 131 19 12 2.3 ... 28 0 113 9 7 1.3 ... 28 3 358 50 4 2.0 ... 28 6 347 72 -2 2.3 ... 28 9 677 125 -13 2.3 ... 28 12 358 72 -15 1.7 ... 28 15 395 93 -11 2.0 ... 28 18 622 174 -10 3.3 ... 28 21 366 79 -10 3.0 ... 29 0 150 12 -10 0.7 ... 29 3 113 13 -9 0.0 ... 29 6 113 15 -6 0.7 ... 29 9 609 101 -15 1.3 ... 29 12 717 132 -16 1.7 ... 29 15 356 54 -11 1.0 ... 29 18 322 62 -6 2.0 ... 29 21 161 23 -1 1.0 ... 30 0 138 11 -1 1.3 ... 30 3 94 14 1 0.3 ... 30 6 94 12 7 0.0 ... 30 9 185 20 -9 0.7 ... 30 12 226 39 -8 0.7 ... 30 15 679 190 9 2.7 ... 30 18 660 83 -17 3.7 ... 30 21 415 81 -17 2.7 ... 1 0 434 80 -17 3.0 ... 1 3 373 70 -15 2.7 ... 1 6 901 216 -25 4.0 Minor storm with AE activations 1 9 1019 151 -25 3.3 ... 1 12 848 183 -32 3.3 ... 1 15 502 102 -32 2.3 ... 1 18 414 72 -26 1.7 ... 1 21 94 12 -19 0.0 ... 2 0 75 4 -16 0.0 ... 2 3 93 8 -14 0.0 ... 2 6 409 102 -10 1.0 ... 2 9 1761 323 -28 3.7 Minor second storm with stronger AE activations 2 12 1151 285 -30 3.0 ... 2 15 434 79 -30 2.3 ... 2 18 188 31 -27 1.0 ... 2 21 75 10 -22 0.0 ... 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 -------------------------------------------------------------------------------------------------------------- 2021-09-26 00:01:19 - 00:07:20 NA No significant gaps 128/128 = 100% ... ORB present 2021-09-26 03:06:28 - 03:12:24 NA 27 small gaps, mainly in beginning 68/126 = 54% B Bad FGM state 2021-09-26 08:34:31 - 08:40:31 SD 1 large gap, mainly in beginning 118/128 = 92% ... ORB present 2021-09-26 11:42:43 - 11:48:43 SD 26 small gaps, mainly in middle 71/127 = 56% B Bad FGM state 2021-09-26 14:49:52 - 14:55:53 SD 3 small gaps, mainly in end 119/128 = 93% ... ORB present 2021-09-26 17:55:46 - 18:01:46 SD 3 large gaps, mainly in middle 74/127 = 58% G ORB present 2021-09-26 18:42:01 - 18:48:01 NA 1 large gap, mainly in middle 108/127 = 85% G ORB with some data gaps 2021-09-26 19:28:17 - 19:34:18 SD No significant gaps 128/128 = 100% ... ORB with some minor LE prxn 2021-09-26 21:46:38 - 21:52:39 NA No significant gaps 128/128 = 100% ... Quiescent ORB 2021-09-26 23:18:47 - 23:24:47 NA 1 large gap, mainly in beginning/middle 113/128 = 88% G Almost completely depleted ORB 2021-09-27 00:50:54 - 00:56:54 NA No significant gaps 128/127 = 101% ... Quiescent ORB 2021-09-27 08:38:00 - 08:44:03 NA No significant gaps 129/129 = 100% ... ORB present 2021-09-27 10:12:10 - 10:18:06 NA Cut short 48/126 = 38% B? Short collection (as noted), but data looks okay for what did come down (ORB present with some IRB fluxes) ** manual entries here since the auto-tohban report did not include these zones for some reason 2021-09-29 ~0012 - ~0017 SD: Significant dayside ORB LE/ME prxn 2021-09-29 ~0845 - ~0851 NA: ORB with some IRB fluxes 2021-09-29 ~1153 - ~1159 NA: ORB with an IB and some extended HL prxn 2021-09-29 ~1500 - ~1506 NA: ORB with some localized LE prxn 2021-09-29 ~1806 - ~1812 NA: ORB with some wide-latitude LE prxn 2021-09-29 ~2025 - ~2031 SD: ORB with banded high-latitude dayside LE prxn 2021-09-29 ~2157 - ~2203 SD: ORB but many data gaps 2021-09-29 ~2329 - ~2335 SD: Quiescent ORB ELFIN B Outer EPD ----------------- Science Zone Range Zone Completeness Notes DL Completeness Flag Science Notes -------------------------------------------------------------------------------------------------------- 2021-09-29 00:26:55 - 00:32:53 SD 6 large gaps, mainly in end 44/127 = 35% G,# ORB with some LE/ME prxn; needs gaps filled 2021-09-29 04:19:04 - 04:25:00 NA 5 large gaps, mainly in end 10/126 = 8% G ... 2021-09-29 10:35:08 - 10:41:14 NA 4 large gaps, mainly in end 60/130 = 46% G ORB with possible IB extended high-latitude prxn 2021-09-29 15:16:01 - 15:21:57 NA 5 large gaps, mainly in middle 44/126 = 35% G ORB with possible IB; many gaps 2021-09-29 18:21:43 - 18:27:54 NA 5 large gaps, mainly in middle 57/131 = 44% G ORB with possible extended LE prxn; needs phase correction; spin period variance also seems high (but not clear if bad FGM) 2021-09-29 20:40:20 - 20:46:27 SD 5 large gaps, mainly in end 47/130 = 36% G 2021-09-29 21:26:25 - 21:32:32 NA 2 large gaps, mainly in beginning 95/130 = 73% G,# ORB with extended high-latitude DS LE prxn 2021-09-29 23:44:44 - 23:50:52 SD No significant gaps 127/130 = 98% G,T? Something strange going on with the lowest energy channel (all green); also gaps ELFIN A Inner EPD ----------------- Science Zone Range Zone Completeness Notes DL Completeness Flag Science Notes ------------------------------------------------------------------------------------------------------- 2021-09-26 12:58:23 - 13:18:17 ISD 1 small gap, mainly in beginning 106/106 = 100% ... Well-populated dayside IRB; like SAA fluxes too 2021-09-26 15:21:58 - 15:41:48 INA 1 small gap, mainly in end 105/106 = 99% ... Extended NS IRB-ORB crossing ELFIN B Inner EPD -----------------