Tohban Report 03/27/22 - 04/02/22 Tohban Name: Xiaojia Zhang (updated [04/05/2022]) Special Notes ------------- 1. Elevated proton contamination is seen again on ELB from ~15UT on 04/02/2022 (no data yet on ELA). 2. Intense precipitation events on the dusk side during intense substorms (with AE exceeding 1000 nT). Automatic report generated 2022-04-04 15:00:05.872462 (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 ------------------------------------------------------ 27 0 262 54 -4 1.7 ... 27 3 113 15 5 2.0 ... 27 6 138 18 17 2.0 ... 27 9 431 99 -2 3.3 ... 27 12 335 58 -8 2.7 ... 27 15 1566 433 -11 4.0 ... 27 18 1534 405 -20 4.0 ... 27 21 679 144 -12 3.3 ... 28 0 827 238 -17 4.0 ... 28 3 884 235 -14 4.0 ... 28 6 446 74 -8 1.3 ... 28 9 283 45 -7 1.0 ... 28 12 208 59 -3 0.7 ... 28 15 94 20 4 0.3 ... 28 18 167 31 7 0.7 ... 28 21 94 21 6 1.0 ... 29 0 113 22 3 1.3 ... 29 3 336 80 5 1.7 ... 29 6 328 55 6 1.7 ... 29 9 132 18 1 1.0 ... 29 12 300 61 1 1.3 ... 29 15 521 116 13 2.0 ... 29 18 565 116 2 2.0 ... 29 21 320 74 -1 2.3 ... 30 0 113 20 3 0.3 ... 30 3 113 17 6 0.7 ... 30 6 212 30 10 0.7 ... 30 9 322 79 4 1.3 ... 30 12 94 19 3 0.3 ... 30 15 150 32 9 1.7 ... 30 18 490 115 2 1.7 ... 30 21 862 233 -2 3.3 ... 31 0 1118 227 3 4.7 ... 31 3 1155 204 -7 4.7 ... 31 6 650 171 -15 3.7 ... 31 9 940 170 -9 3.7 ... 31 12 392 82 -14 4.3 ... 31 15 653 90 -4 4.3 ... 31 18 207 36 6 2.0 ... 31 21 226 33 14 2.3 ... 1 0 57 11 3 3.0 ... 1 3 244 46 5 3.3 ... 1 6 887 162 -10 2.7 ... 1 9 1174 175 -19 3.7 ... 1 12 830 243 -23 4.0 ... 1 15 899 216 -28 2.3 ... 1 18 584 110 -24 2.0 ... 1 21 641 99 -24 2.3 ... 2 0 1015 196 -24 4.0 ... 2 3 1019 205 -31 4.7 ... 2 6 1038 216 -42 4.0 ... 2 9 395 77 -27 2.0 ... 2 12 268 35 -21 2.3 ... 2 15 912 232 -9 2.7 ... 2 18 1352 358 -9 4.0 ... 2 21 657 177 -18 2.7 ... 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 --------------------------------------------------------------------------------------------------------------- 2022-03-28 03:08:18 - 03:14:14 NA Cut short 3/125.0 = 2% G ... 2022-03-28 04:53:02 - 04:58:58 ND 5 large gaps, mainly in middle 29/125.0 = 23% G ... 2022-03-28 12:24:46 - 12:30:42 NA 4 large gaps, mainly in middle/end 15/125.0 = 12% G ... 2022-03-28 14:08:56 - 14:14:57 ND 4 large gaps, mainly in middle/end 10/127.0 = 8% G ... 2022-03-28 16:59:50 - 17:05:46 NA 5 large gaps, mainly in beginning 23/125.0 = 18% G ... 2022-03-28 18:31:39 - 18:37:35 NA 5 large gaps, mainly in middle 37/125.0 = 30% G ... 2022-03-28 20:16:45 - 20:22:42 ND 6 large gaps, mainly in beginning 37/126.0 = 29% G ... 2022-03-28 21:49:09 - 21:55:08 ND 3 small gaps, mainly in beginning 116/127.0 = 91% # ... 2022-03-29 02:16:34 - 02:22:39 NA No significant gaps 129/128.0 = 101% # ... 2022-03-29 04:01:05 - 04:07:07 ND No significant gaps 128/127.0 = 101% # ... 2022-03-29 08:29:18 - 08:35:21 NA 1 small gap, mainly in end 123/127.0 = 97% # ... 2022-03-29 10:14:43 - 10:20:45 ND 1 large gap, mainly in middle 120/127.0 = 94% # ... 2022-03-29 11:33:55 - 11:39:55 NA No significant gaps 127/126.0 = 101% # ... 2022-03-29 13:05:45 - 13:11:48 NA 2 large gaps, mainly in end 99/127.0 = 78% # ... 2022-03-29 14:37:30 - 14:43:32 NA 2 large gaps, mainly in middle 91/127.0 = 72% # ... 2022-03-29 16:21:32 - 16:27:35 ND 1 large gap, mainly in middle/end 113/127.0 = 89% # ... 2022-03-29 19:12:46 - 19:18:49 NA 1 large gap, mainly in beginning/middle 114/127.0 = 90% # ... 2022-03-29 22:30:25 - 22:36:26 ND No significant gaps 127/127.0 = 100% # ... ELFIN B Outer EPD ----------------- Science Zone Range Zone Completeness Notes DL Completeness Flag Science Notes --------------------------------------------------------------------------------------------------------------- 2022-03-29 01:43:56 - 01:49:57 NA No significant gaps 127/127 = 100% # ... 2022-03-29 03:28:24 - 03:34:24 ND 3 small gaps, mainly in middle 122/127 = 96% # ... 2022-03-29 04:51:07 - 04:57:09 NA No significant gaps 128/128 = 100% # ... 2022-03-29 08:09:59 - 08:16:01 ND 2 large gaps, mainly in beginning/middle 109/128 = 85% # ... 2022-03-29 12:34:08 - 12:40:09 NA 1 small gap, mainly in middle 120/127 = 94% # ... 2022-03-29 14:18:19 - 14:24:21 ND No significant gaps 128/128 = 100% # ... 2022-03-29 17:09:21 - 17:15:21 NA No significant gaps 127/127 = 100% # ... 2022-03-29 17:22:00 - 17:28:01 ND 1 small gap, mainly in middle 120/127 = 94% # ... 2022-03-29 20:13:36 - 20:19:36 NA 1 large gap, mainly in middle/end 97/127 = 76% # ... 2022-03-29 21:59:00 - 22:05:06 ND 3 small gaps, mainly in end 124/129 = 96% * Bursts of <300keV precipitation, in conjunction with chorus at THEMIS 2022-03-31 01:46:50 - 01:52:46 ND 3 large gaps, mainly in end 57/125 = 46% G ... 2022-03-31 04:43:06 - 04:49:02 NA 6 large gaps, mainly in end 38/125 = 30% G ... 2022-03-31 08:01:57 - 08:07:56 ND 2 large gaps, mainly in middle 55/126 = 44% G ... 2022-03-31 10:54:05 - 11:00:05 NA 3 small gaps, mainly in end 112/127 = 88% * Interesting bursts of precipitation on the dusk, with quasi-periodic chorus at ERG on the dawn 2022-03-31 12:26:07 - 12:32:09 NA 1 large gap, mainly in beginning 118/127 = 93% # ... 2022-03-31 14:10:17 - 14:16:18 ND 2 small gaps, mainly in middle 115/127 = 91% # ... 2022-03-31 17:01:17 - 17:07:19 NA No significant gaps 127/127 = 100% # ... 2022-03-31 18:33:12 - 18:39:13 NA No significant gaps 125/127 = 98% # ... 2022-03-31 21:50:51 - 21:56:53 ND 2 large gaps, mainly in end 108/127 = 85% # ... 2022-04-01 02:18:37 - 02:24:37 NA 6 large gaps, mainly in beginning 55/129 = 43% G ... 2022-04-01 04:03:14 - 04:09:15 ND 1 large gap, mainly in middle 118/129 = 91% # ... 2022-04-01 11:35:58 - 11:42:01 NA 1 large gap, mainly in end 115/130 = 88% # ... 2022-04-01 13:20:19 - 13:26:15 ND 6 small gaps, mainly in beginning 74/127 = 58% G ... 2022-04-01 14:51:56 - 14:57:57 ND 2 large gaps, mainly in beginning 80/129 = 62% # ... 2022-04-01 17:43:00 - 17:49:02 NA 1 small gap, mainly in end 126/129 = 98% # ... 2022-04-01 19:15:04 - 19:21:03 NA No significant gaps 128/128 = 100% * Interesting bursts of precipitation on the dusk, with quasi-periodic chorus at THEMIS on the dawn 2022-04-01 21:00:24 - 21:06:27 ND No significant gaps 129/130 = 99% # ... 2022-04-02 03:01:06 - 03:07:02 NA 2 large gaps, mainly in middle/end 7/127 = 6% G ... 2022-04-02 04:34:35 - 04:40:31 NA 3 large gaps, mainly in end 14/127 = 11% G ... 2022-04-02 07:40:42 - 07:46:40 NA 4 large gaps, mainly in end 39/127 = 31% G ... 2022-04-02 10:45:34 - 10:51:38 NA 4 large gaps, mainly in beginning 75/129 = 58% G ... 2022-04-02 13:49:22 - 13:55:22 NA 2 large gaps, mainly in middle 90/128 = 70% # ... 2022-04-02 15:33:26 - 15:39:23 ND 1 large gap, mainly in middle 82/127 = 65% # Elevated proton contamination 2022-04-02 18:24:36 - 18:30:35 NA 5 large gaps, mainly in end 73/128 = 57% G ... 2022-04-02 19:56:51 - 20:02:47 NA 2 large gaps, mainly in middle 94/127 = 74% * Intense precipitation on the dusk at energies approaching 1MeV 2022-04-02 21:42:13 - 21:48:16 ND 6 large gaps, mainly in beginning 65/129 = 50% # ... ELFIN A Inner EPD ----------------- ELFIN B Inner EPD ----------------- Science Zone Range Zone Completeness Notes DL Completeness Flag Science Notes -------------------------------------------------------------------------------------------------------------- 2022-03-27 07:50:32 - 08:10:27 INA 4 small gaps, mainly in end 76/106 = 72% # ... 2022-03-27 22:06:46 - 22:26:27 IND 1 large gap, mainly in beginning/middle 97/105 = 92% # ...