• CME heights (with respect to the disk center) are measured at the fastest segment of the leading edge.
  • PA= Position Angle measured from Solar North in degrees (counter-clockwise)
  • Halo CMEs are indicated in the "Central PA" column. The letters ("S", "BA", "OA") in the brackets show type of halo CMEs. See examples.
  • Click on date to view Java script movie of the CME.
  • Click on time to see height-time measurements as a text file.
  • Click on speed to view height-time plots of the CME.
  • Beware of data gaps. Check for LASCO/C2 data gaps here.

  • A complete description of the catalog
  • Click here to search the entire catalog.

    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
    2005/04/01 07:50:05 252 20 454 323 0 -73.2*1 1.8e+13*2 1.9e+28*2 256 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2005/04/01 15:50:05 31 10 336 424 1001 40.6*1 ---- ---- 34 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2005/04/01 21:26:08 78 6 596 --- --- --- ---- ---- 84 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2005/04/02 00:26:05 345 13 351 422 847 27.0*1 ---- ---- 342 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2005/04/02 00:50:06 251 10 476 551 824 21.5*1 ---- ---- 252 C2 C3 195 PHTX DST Java Movie UVCS Poor Event
    2005/04/02 11:50:06 204 56 431 450 444 1.1 1.5e+15 1.4e+30 214 C2 C3 195 PHTX DST Java Movie
    2005/04/03 00:26:05 36 1 453 509 938 31.5*1 ---- ---- 40 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2005/04/03 00:50:05 228 5 632 --- --- --- ---- ---- 235 C2 C3 195 PHTX DST Java Movie UVCS Poor Event; Only 2 points; Only C2
    2005/04/03 00:50:05 351 9 498 --- --- --- ---- ---- 351 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2005/04/04 07:27:22 66 9 352 366 499 5.6*1 ---- ---- 69 C2 C3 195 PHTX DST Java Movie Only C2
    2005/04/04 11:06:06 154 127 421 417 419 -0.2 2.6e+15*2 2.3e+30*2 180 C2 C3 195 PHTX DST Java Movie Partial Halo
    2005/04/04 19:27:17 318 80 383 414 407 1.9*1 3.4e+14 2.5e+29 325 C2 C3 195 PHTX DST Java Movie
    2005/04/05 06:50:07 272 26 247 374 1041 44.0*1 1.4e+13 4.3e+27 272 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2005/04/05 10:26:05 324 68 301 433 426 6.8 2.9e+13 1.3e+28 309 C2 C3 195 PHTX DST Java Movie
    2005/04/05 12:50:05 104 76 335 411 406 3.9 3.2e+15 1.8e+30 116 C2 C3 195 PHTX DST Java Movie UVCS
    2005/04/06 00:50:06 269 19 209 297 979 38.7*1 ---- ---- 271 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2005/04/06 04:50:05 303 27 254 328 362 4.2*1 4.6e+13 1.5e+28 297 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2005/04/06 12:50:05 103 14 378 535 1282 68.3*1 ---- ---- 109 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2005/04/06 16:26:05 113 35 490 470 374 -5.0*1 1.0e+15 1.2e+30 111 C2 C3 195 PHTX DST Java Movie Poor Event
    2005/04/06 18:26:05 13 56 231 290 286 2.2*1 1.0e+14 2.7e+28 360 C2 C3 195 PHTX DST Java Movie
    2005/04/06 22:26:05 255 38 226 259 274 1.6*1 6.1e+14 1.5e+29 250 C2 C3 195 PHTX DST Java Movie UVCS Poor Event
    2005/04/07 03:50:05 121 45 314 266 0 -9.3*1 6.7e+13 3.3e+28 113 C2 C3 195 PHTX DST Java Movie
    2005/04/07 11:50:05 26 14 487 267 0 -49.3*1 ---- ---- 31 C2 C3 195 PHTX DST Java Movie Poor Event
    2005/04/07 13:27:17 75 41 405 416 433 1.5*1 2.6e+14 2.1e+29 82 C2 C3 195 PHTX DST Java Movie
    2005/04/07 18:26:05 123 41 133 152 282 2.8*1 1.1e+14 9.5e+27 121 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2005/04/08 00:50:05 47 28 184 217 265 2.1*1 1.2e+14 2.0e+28 44 C2 C3 195 PHTX DST Java Movie Poor Event
    2005/04/08 11:06:05 75 27 167 143 0 -5.6*1 2.2e+13 3.1e+27 76 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2005/04/08 12:26:05 251 51 287 326 361 2.8*1 4.0e+14 1.6e+29 246 C2 C3 195 PHTX DST Java Movie UVCS
    2005/04/08 15:50:06 349 10 413 327 0 -20.9*1 ---- ---- 345 C2 C3 195 PHTX DST Java Movie Poor Event
    2005/04/09 00:50:05 77 33 249 145 0 -55.7*1 2.2e+13*2 6.9e+27*2 78 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2005/04/09 02:50:05 267 96 191 183 150 -0.7*1 4.3e+14 7.9e+28 268 C2 C3 195 PHTX DST Java Movie Poor Event
    2005/04/09 08:26:05 269 130 329 300 270 -2.4 2.2e+15*2 1.2e+30*2 261 C2 C3 195 PHTX DST Java Movie Partial Halo
    2005/04/09 10:26:09 91 30 737 775 845 9.7*1 2.5e+14 6.8e+29 87 C2 C3 195 PHTX DST Java Movie
    2005/04/09 12:06:06 126 21 456 408 256 -7.7*1 1.7e+14 1.8e+29 126 C2 C3 195 PHTX DST Java Movie
    2005/04/09 13:50:05 260 171 514 486 498 -1.9 4.1e+15*2 5.4e+30*2 253 C2 C3 195 PHTX DST Java Movie Partial Halo
    2005/04/09 15:26:05 74 8 409 259 0 -67.9*1 ---- ---- 74 C2 C3 195 PHTX DST Java Movie
    2005/04/09 20:06:05 108 27 626 568 337 -15.1*1 1.1e+14 2.2e+29 109 C2 C3 195 PHTX DST Java Movie
    2005/04/10 06:06:05 115 12 396 193 0 -72.8*1 ---- ---- 110 C2 C3 195 PHTX DST Java Movie
    2005/04/10 07:27:22 124 35 758 1058 1092 44.7 ---- ---- 122 C2 C3 195 PHTX DST Java Movie
    2005/04/10 14:26:05 175 9 467 557 1379 72.5*1 ---- ---- 178 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2005/04/10 19:27:18 286 7 452 666 2103 179.1*1 ---- ---- 283 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2005/04/10 21:26:09 191 105 268 424 395 5.7 3.1e+15 1.1e+30 214 C2 C3 195 PHTX DST Java Movie
    2005/04/11 16:26:05 244 21 364 405 399 2.2*1 1.0e+15 6.7e+29 245 C2 C3 195 PHTX DST Java Movie
    2005/04/12 07:27:20 261 67 233 320 299 2.9*1 6.6e+14 1.8e+29 255 C2 C3 195 PHTX DST Java Movie
    2005/04/12 20:50:07 94 15 477 465 432 -2.2*1 ---- ---- 97 C2 C3 195 PHTX DST Java Movie Poor Event
    2005/04/13 08:06:05 118 24 253 311 492 8.7*1 8.3e+13 2.7e+28 122 C2 C3 195 PHTX DST Java Movie
    2005/04/13 17:26:05 333 4 585 --- --- --- ---- ---- 331 C2 C3 195 PHTX DST Java Movie Poor Event; Only 2 points; Only C2
    2005/04/13 21:50:05 89 38 458 436 427 -2.0 9.6e+14 1.0e+30 89 C2 C3 195 PHTX DST Java Movie
    2005/04/14 03:06:05 77 40 409 493 966 34.8*1 1.6e+13 1.3e+28 80 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2005/04/14 12:26:06 234 43 253 267 312 1.7 2.6e+14 8.2e+28 226 C2 C3 195 PHTX DST Java Movie
    2005/04/15 05:06:06 114 45 482 558 668 11.9*1 3.9e+14 4.5e+29 110 C2 C3 195 PHTX DST Java Movie
    2005/04/15 15:26:06 96 53 302 221 0 -26.1*1 5.3e+13 2.4e+28 96 C2 C3 195 PHTX DST Java Movie Only C2
    2005/04/16 02:06:05 94 50 292 278 231 -1.7*1 3.3e+14 1.4e+29 109 C2 C3 195 PHTX DST Java Movie
    2005/04/16 08:06:05 315 14 276 242 0 -7.3*1 ---- ---- 309 C2 C3 195 PHTX DST Java Movie Poor Event
    2005/04/16 09:06:05 93 42 349 410 580 10.4*1 1.4e+14 8.6e+28 99 C2 C3 195 PHTX DST Java Movie
    2005/04/16 14:06:05 154 26 202 159 0 -22.4*1 ---- ---- 144 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2005/04/16 16:50:05 95 44 398 409 411 0.7*1 7.4e+13 5.9e+28 100 C2 C3 195 PHTX DST Java Movie
    2005/04/16 22:06:06 102 70 291 479 1185 58.2*1 2.6e+14*2 1.1e+29*2 114 C2 C3 195 PHTX DST Java Movie UVCS Poor Event; Only C2
    2005/04/17 02:06:06 100 61 354 350 350 -0.2*1 1.3e+15 8.3e+29 99 C2 C3 195 PHTX DST Java Movie
    2005/04/17 10:26:09 199 8 698 862 1869 132.7*1 ---- ---- 203 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2005/04/17 11:50:18 276 6 296 335 982 37.9*1 ---- ---- 276 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2005/04/17 11:50:18 99 66 205 303 798 26.5*1 1.0e+15 2.2e+29 98 C2 C3 195 PHTX DST Java Movie UVCS Only C2
    2005/04/17 13:27:19 97 50 610 601 606 -0.7 3.1e+15 5.7e+30 110 C2 C3 195 PHTX DST Java Movie
    2005/04/17 18:50:05 304 19 327 358 420 3.8*1 ---- ---- 298 C2 C3 195 PHTX DST Java Movie Poor Event
    2005/04/17 21:26:08 108 89 721 684 701 -3.3 4.0e+15 1.0e+31 113 C2 C3 195 PHTX DST Java Movie
    2005/04/18 00:26:05 41 39 435 427 429 -0.6*1 2.3e+13 2.2e+28 45 C2 C3 195 PHTX DST Java Movie Poor Event
    2005/04/18 10:06:05 22 37 309 438 404 5.6*1 7.0e+12 3.4e+27 24 C2 C3 195 PHTX DST Java Movie
    2005/04/18 13:27:17 272 14 216 214 205 -0.2*1 ---- ---- 265 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2005/04/18 19:27:17 99 47 261 293 395 4.6*1 5.6e+13 1.9e+28 97 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2005/04/19 12:26:05 286 39 666 838 757 13.3 3.8e+15 8.4e+30 283 C2 C3 195 PHTX DST Java Movie
    2005/04/19 17:50:05 252 73 175 189 327 3.4*1 6.8e+13 1.0e+28 236 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2005/04/19 22:06:05 Halo 360 824 757 791 -6.8 ---- ---- 121 C2 C3 195 PHTX DST Java Movie
    2005/04/20 04:06:06 86 43 296 272 133 -3.7*1 8.0e+13 3.5e+28 92 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2005/04/21 01:27:16 277 48 684 833 752 12.6 2.9e+15 6.7e+30 282 C2 C3 195 PHTX DST Java Movie
    2005/04/22 00:26:05 121 48 57 40 0 -1.7*1 ---- ---- 119 C2 C3 195 PHTX DST Java Movie Only C2
    2005/04/22 06:26:05 100 123 363 364 365 0.1 3.5e+15*2 2.3e+30*2 128 C2 C3 195 PHTX DST Java Movie Partial Halo
    2005/04/22 07:27:18 319 12 895 431 0 -388.1*1 ---- ---- 312 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2005/04/23 01:27:15 104 64 240 232 101 -2.1*1 1.8e+12 5.1e+26 126 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2005/04/23 05:26:05 306 35 236 366 500 10.0 7.1e+14 2.0e+29 299 C2 C3 195 PHTX DST Java Movie
    2005/04/23 20:06:05 264 11 177 213 829 27.8*1 ---- ---- 264 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2005/04/24 04:06:05 318 31 328 465 653 16.6*1 2.7e+14 1.4e+29 312 C2 C3 195 PHTX DST Java Movie Poor Event
    2005/04/24 08:50:05 69 34 161 138 0 -21.6*1 3.8e+13*2 4.9e+27*2 71 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2005/04/24 16:18:06 27 55 732 682 735 -8.2*1 9.1e+14 2.4e+30 40 C2 C3 195 PHTX DST Java Movie Only C3
    2005/04/24 18:26:05 99 51 280 462 508 11.8*1 7.0e+13 2.8e+28 101 C2 C3 195 PHTX DST Java Movie
    2005/04/24 18:50:05 63 69 125 267 294 3.7*1 3.3e+15 2.6e+29 70 C2 C3 195 PHTX DST Java Movie
    2005/04/25 13:50:05 240 24 465 362 156 -12.2*1 3.9e+14 4.3e+29 242 C2 C3 195 PHTX DST Java Movie UVCS
    2005/04/25 19:50:05 239 27 538 539 539 0.1*1 8.6e+14 1.2e+30 233 C2 C3 195 PHTX DST Java Movie
    2005/04/25 23:06:05 200 209 351 357 357 0.3 3.5e+15*2 2.1e+30*2 165 C2 C3 195 PHTX DST Java Movie Partial Halo
    2005/04/26 11:06:05 180 98 169 191 218 1.1*1 2.5e+15 3.5e+29 188 C2 C3 195 PHTX DST Java Movie Poor Event
    2005/04/26 20:26:05 236 30 813 918 881 11.1 1.6e+15 5.5e+30 235 C2 C3 195 PHTX DST Java Movie
    2005/04/27 00:50:05 217 120 365 599 540 11.5 5.0e+15 3.3e+30 234 C2 C3 195 PHTX DST Java Movie
    2005/04/27 03:26:05 144 60 167 174 227 1.1*1 1.0e+15 1.4e+29 137 C2 C3 195 PHTX DST Java Movie Only C2
    2005/04/27 05:50:05 144 112 421 442 460 2.1 2.1e+15 1.9e+30 138 C2 C3 195 PHTX DST Java Movie
    2005/04/27 09:06:05 263 101 159 191 242 1.8*1 1.6e+14 2.0e+28 262 C2 C3 195 PHTX DST Java Movie
    2005/04/27 16:04:12 120 52 494 545 541 3.9 1.3e+15 1.5e+30 116 C2 C3 195 PHTX DST Java Movie
    2005/04/28 00:06:05 134 101 189 280 253 2.2 1.5e+16 2.7e+30 131 C2 C3 195 PHTX DST Java Movie
    2005/04/28 02:26:05 208 78 477 466 472 -0.6 3.6e+15 4.1e+30 221 C2 C3 195 PHTX DST Java Movie
    2005/04/29 06:26:05 114 54 317 294 253 -2.2*1 1.6e+15 7.8e+29 119 C2 C3 195 PHTX DST Java Movie
    2005/04/29 07:27:18 85 43 321 333 349 1.1 2.6e+15 1.3e+30 91 C2 C3 195 PHTX DST Java Movie
    2005/04/29 10:50:07 109 137 400 375 389 -1.2 6.9e+15*2 5.5e+30*2 89 C2 C3 195 PHTX DST Java Movie Partial Halo
    2005/04/29 20:26:05 106 70 286 343 657 16.1*1 4.8e+14 2.0e+29 123 C2 C3 195 PHTX DST Java Movie Only C2
    2005/04/30 03:34:12 99 33 380 424 410 2.3*1 2.6e+14 1.9e+29 108 C2 C3 195 PHTX DST Java Movie
    2005/04/30 08:26:05 41 17 353 293 0 -15.0*1 ---- ---- 41 C2 C3 195 PHTX DST Java Movie Poor Event
    2005/04/30 09:06:05 92 23 224 183 71 -2.9*1 2.5e+14 6.3e+28 98 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2005/04/30 10:26:09 92 22 299 306 322 0.8*1 7.4e+13 3.3e+28 96 C2 C3 195 PHTX DST Java Movie Poor Event
    2005/04/30 14:26:05 Halo 360 323 350 364 1.9*1 ---- ---- 312 C2 C3 195 PHTX DST Java Movie

    *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).