First C2 Appearance Date Time [UT] |
Central PA [deg] |
Angular Width [deg] |
Linear Speed [km/s] |
2nd-order Speed at final height [km/s] | 2nd-order Speed at 20 Rs [km/s] |
Accel [m/s2] |
Mass [gram] |
Kinetic Energy [erg] |
MPA [deg] | Movies, plots, & links | Remarks | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2018/04/01 | 00:12:05 | 77 | 23 | 258 | 272 | 325 | 2.1*1 | 2.4e+12 | 8.0e+26 | 82 | C2 C3 PHTX DST Java Movie | Very Poor Event |
2018/04/02 | 11:24:05 | 257 | 21 | 204 | 56 | 0 | -64.7*1 | 1.1e+13 | 2.2e+27 | 258 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/02 | 12:36:07 | 259 | 33 | 197 | 244 | 613 | 14.6*1 | 2.0e+13 | 3.9e+27 | 258 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/03 | 17:24:05 | 25 | 10 | 653 | 668 | 855 | 13.4*1 | ---- | ---- | 28 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/04 | 13:48:05 | 93 | 58 | 276 | 396 | 1090 | 50.8*1 | 1.0e+13 | 3.9e+27 | 101 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/05 | 11:48:05 | 290 | 7 | 457 | 551 | 1277 | 63.3*1 | ---- | ---- | 282 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/06 | 00:24:06 | 103 | 47 | 70 | 72 | 100 | 0.2*1 | 7.1e+13 | 1.7e+27 | 99 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/06 | 05:36:05 | 266 | 32 | 136 | 202 | 598 | 15.0*1 | 1.1e+13 | 1.1e+27 | 263 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/06 | 12:36:05 | 262 | 22 | 138 | 107 | 0 | -9.7*1 | 4.4e+12 | 4.2e+26 | 261 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/06 | 22:24:06 | 207 | 20 | 283 | 247 | 0 | -16.8*1 | 4.8e+12*2 | 1.9e+27*2 | 204 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/06 | 23:48:05 | 261 | 35 | 154 | 191 | 467 | 8.4*1 | 3.1e+13 | 3.7e+27 | 264 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/08 | 15:48:06 | 261 | 6 | 208 | 190 | 0 | -5.6*1 | ---- | ---- | 263 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/08 | 23:12:10 | 263 | 27 | 149 | 66 | 0 | -25.1*1 | 1.0e+13 | 1.2e+27 | 264 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/09 | 14:12:05 | 263 | 33 | 187 | 183 | 137 | -0.7*1 | 3.2e+13 | 5.6e+27 | 263 | C2 C3 PHTX DST Java Movie | Poor Event; Only C2 |
2018/04/10 | 02:00:05 | 257 | 28 | 139 | 73 | 0 | -14.6*1 | 2.2e+12 | 2.1e+26 | 258 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/10 | 09:12:09 | 13 | 9 | 477 | 424 | 0 | -49.0*1 | ---- | ---- | 20 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/11 | 01:36:10 | 263 | 41 | 211 | 303 | 410 | 6.2*1 | 3.4e+14 | 7.5e+28 | 263 | C2 C3 PHTX DST Java Movie | Poor Event |
2018/04/13 | 03:47:12 | 182 | 9 | 325 | 579 | 1813 | 141.1*1 | ---- | ---- | 184 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/13 | 08:48:23 | 181 | 10 | 338 | 500 | 1803 | 143.4*1 | ---- | ---- | 185 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only 3 points; Only C2 |
2018/04/14 | 00:12:05 | 110 | 16 | 286 | 174 | 0 | -39.0*1 | ---- | ---- | 103 | C2 C3 PHTX DST Java Movie | Poor Event |
2018/04/14 | 19:48:05 | 101 | 48 | 225 | 260 | 383 | 4.6*1 | 2.3e+14 | 5.9e+28 | 99 | C2 C3 PHTX DST Java Movie | Poor Event |
2018/04/15 | 00:48:05 | 100 | 44 | 252 | 249 | 218 | -0.7*1 | 1.7e+14 | 5.4e+28 | 99 | C2 C3 PHTX DST Java Movie | Poor Event |
2018/04/15 | 05:36:05 | 99 | 52 | 336 | 339 | 341 | 0.2 | 1.0e+15 | 5.8e+29 | 92 | C2 C3 PHTX DST Java Movie | |
2018/04/16 | 16:48:05 | 102 | 21 | 318 | 402 | 505 | 9.1*1 | 2.2e+13 | 1.1e+28 | 97 | C2 C3 PHTX DST Java Movie | Very Poor Event |
2018/04/17 | 04:12:05 | 247 | 55 | 250 | 484 | 532 | 11.6*1 | 9.7e+14 | 3.0e+29 | 249 | C2 C3 PHTX DST Java Movie | |
2018/04/17 | 12:48:05 | 76 | 13 | 210 | 340 | 1078 | 48.4*1 | ---- | ---- | 78 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/18 | 01:36:09 | 252 | 8 | 273 | 320 | 421 | 5.7*1 | ---- | ---- | 256 | C2 C3 PHTX DST Java Movie | Very Poor Event |
2018/04/18 | 07:24:05 | 252 | 9 | 323 | 303 | 229 | -2.7*1 | ---- | ---- | 254 | C2 C3 PHTX DST Java Movie | Poor Event |
2018/04/18 | 12:48:05 | 195 | 99 | 96 | 151 | 374 | 5.7*1 | 2.1e+14 | 9.8e+27 | 190 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/19 | 17:12:05 | 223 | 33 | 256 | 337 | 730 | 21.7*1 | 2.0e+13 | 6.6e+27 | 242 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/19 | 19:00:06 | 166 | 55 | 225 | 279 | 423 | 6.3*1 | 8.3e+13 | 2.1e+28 | 166 | C2 C3 PHTX DST Java Movie | Very Poor Event |
2018/04/20 | 00:12:05 | 282 | 34 | 74 | 64 | 0 | -1.3*1 | 1.2e+14 | 3.4e+27 | 281 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/20 | 14:48:05 | 282 | 23 | 243 | 391 | 400 | 6.6*1 | 1.5e+14 | 4.3e+28 | 276 | C2 C3 PHTX DST Java Movie | Poor Event |
2018/04/21 | 02:00:05 | 82 | 54 | 136 | 136 | 122 | -0.2*1 | 2.9e+13 | 2.7e+27 | 82 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/21 | 08:48:05 | 275 | 31 | 465 | 456 | 457 | -0.6*1 | 1.6e+14 | 1.8e+29 | 272 | C2 C3 PHTX DST Java Movie | |
2018/04/21 | 20:00:05 | 268 | 17 | 252 | 204 | 0 | -14.8*1 | ---- | ---- | 273 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/22 | 16:24:05 | 91 | 37 | 200 | 192 | 126 | -1.2*1 | 4.2e+13 | 8.5e+27 | 88 | C2 C3 PHTX DST Java Movie | Poor Event |
2018/04/22 | 22:24:05 | 344 | 6 | 302 | 322 | 567 | 10.3*1 | ---- | ---- | 342 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/23 | 05:36:05 | 91 | 21 | 255 | 268 | 281 | 0.9*1 | 3.7e+12 | 1.2e+27 | 96 | C2 C3 PHTX DST Java Movie | Very Poor Event |
2018/04/23 | 14:48:06 | 85 | 15 | 242 | 318 | 495 | 9.2*1 | ---- | ---- | 90 | C2 C3 PHTX DST Java Movie | Very Poor Event |
2018/04/24 | 02:48:05 | 278 | 33 | 169 | 199 | 699 | 19.5*1 | 8.5e+12*2 | 1.2e+27*2 | 275 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/24 | 23:36:05 | 275 | 26 | 124 | 0 | 0 | -23.9*1 | 3.2e+13 | 2.5e+27 | 277 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/25 | 02:48:06 | 247 | 7 | 352 | 426 | 841 | 27.0*1 | ---- | ---- | 248 | C2 C3 PHTX DST Java Movie | Very Poor Event; Only C2 |
2018/04/26 | 02:48:05 | 93 | 36 | 202 | 204 | 228 | 0.5*1 | 1.4e+14 | 2.8e+28 | 97 | C2 C3 PHTX DST Java Movie | Poor Event; Only C2 |
2018/04/26 | 08:48:05 | 86 | 12 | 288 | 442 | 798 | 27.4*1 | ---- | ---- | 89 | C2 C3 PHTX DST Java Movie | Poor Event |
2018/04/27 | 20:36:05 | 300 | 11 | 422 | 730 | 1828 | 139.5*1 | ---- | ---- | 296 | C2 C3 PHTX DST Java Movie | Poor Event; Only C2 |
2018/04/29 | 03:02:52 | 85 | 28 | 139 | 65 | 0 | -5.7*1 | 1.2e+14 | 1.2e+28 | 86 | C3 PHTX DST Java Movie | Very Poor Event; Only C3 |
2018/04/30 | 03:04:05 | 109 | 26 | 127 | 154 | 238 | 2.3*1 | 8.6e+12 | 6.9e+26 | 104 | C3 PHTX DST Java Movie | Poor Event; Only C3 |
*1 Acceleration is uncertain due to either poor height measurement or a small number of height-time measurements (See Section 3.4 of Yashiro et al. 2004 for details).
*2 Mass and Kinetic Energy are uncertain due to poor mass estimate. Mass measurement assumes that the CME material is in the sky-plane. Kinetic Energy is obtained from the mass and linear speed (see Vourlidas et al. 2000 for details).