• 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
    2011/01/01 07:48:05 49 18 251 296 405 5.5*1 ---- ---- 48 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2011/01/02 06:12:05 262 48 253 311 387 4.5*1 5.5e+14 1.8e+29 275 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/02 15:24:05 268 101 355 610 724 21.0*1 8.6e+14 5.4e+29 262 C2 C3 195 PHTX DST Java Movie
    2011/01/03 07:12:05 126 13 225 253 453 6.9*1 ---- ---- 125 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/04 12:48:05 13 35 154 179 309 3.3*1 1.6e+14 1.9e+28 18 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2011/01/04 17:36:05 22 24 203 196 155 -0.8*1 1.0e+14 2.1e+28 23 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/04 21:48:05 127 7 391 405 612 9.6*1 ---- ---- 122 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/04 23:24:15 49 30 199 236 451 7.9*1 8.2e+12 1.6e+27 48 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2011/01/06 10:12:05 101 31 178 142 0 -3.2*1 2.5e+14 4.0e+28 93 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/07 03:36:05 255 7 287 271 0 -8.6*1 ---- ---- 258 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/07 18:48:05 94 40 248 297 431 5.9*1 4.9e+14 1.5e+29 93 C2 C3 195 PHTX DST Java Movie
    2011/01/08 02:48:06 101 95 152 330 382 6.1*1 1.6e+15 1.8e+29 93 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/08 07:12:05 237 17 220 116 0 -29.6*1 ---- ---- 243 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/09 09:24:05 107 12 190 207 343 3.7*1 ---- ---- 105 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/09 16:00:06 330 67 153 321 379 5.9*1 1.3e+15 1.5e+29 326 C2 C3 195 PHTX DST Java Movie
    2011/01/10 07:24:05 330 17 347 425 490 6.8*1 ---- ---- 341 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/10 10:36:06 217 5 202 212 326 2.8*1 ---- ---- 224 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/10 17:00:06 140 7 180 120 0 -38.9*1 ---- ---- 140 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/10 23:05:57 87 110 312 324 371 2.0*1 3.6e+14 1.8e+29 105 C2 C3 195 PHTX DST Java Movie
    2011/01/11 00:36:05 113 114 165 224 306 3.5*1 3.0e+14 4.0e+28 98 C2 C3 195 PHTX DST Java Movie
    2011/01/11 04:36:37 338 11 348 491 656 16.3*1 ---- ---- 338 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2011/01/11 21:36:05 331 7 280 249 0 -11.0*1 ---- ---- 338 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/12 07:12:05 245 51 403 564 544 9.5 7.3e+15 5.9e+30 252 C2 C3 195 PHTX DST Java Movie
    2011/01/12 11:00:06 66 100 245 301 682 17.8*1 2.0e+14 6.1e+28 67 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2011/01/12 18:36:06 241 36 487 582 642 10.6*1 1.0e+14 1.2e+29 246 C2 C3 195 PHTX DST Java Movie
    2011/01/12 23:24:12 242 48 356 458 581 11.5*1 4.0e+13 2.5e+28 239 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/13 08:00:06 242 7 485 405 48 -13.4*1 ---- ---- 237 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2011/01/13 09:36:05 79 122 664 693 675 2.2 7.0e+15*2 1.5e+31*2 51 C2 C3 195 PHTX DST Java Movie Partial Halo
    2011/01/13 18:12:05 100 46 222 265 323 3.0*1 7.4e+14 1.8e+29 102 C2 C3 195 PHTX DST Java Movie
    2011/01/14 03:12:08 83 111 625 717 684 7.1 1.6e+15 3.1e+30 65 C2 C3 195 PHTX DST Java Movie
    2011/01/14 17:36:06 188 6 283 360 1348 72.8*1 ---- ---- 189 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/14 17:48:05 313 14 237 282 547 10.7*1 ---- ---- 313 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2011/01/14 19:00:05 66 46 244 386 502 9.7*1 7.6e+14 2.3e+29 60 C2 C3 195 PHTX DST Java Movie
    2011/01/14 23:48:05 350 11 285 158 0 -76.7*1 ---- ---- 349 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/16 00:24:05 97 55 281 372 799 24.4*1 7.5e+13 2.9e+28 90 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2011/01/16 12:36:05 61 78 163 334 486 9.7*1 1.3e+14 1.7e+28 54 C2 C3 195 PHTX DST Java Movie
    2011/01/17 16:12:05 44 24 229 349 469 8.5*1 4.4e+13 1.2e+28 43 C2 C3 PHTX DST Java Movie Poor Event
    2011/01/18 04:00:06 29 202 776 808 797 3.2 3.9e+15*2 1.2e+31*2 41 C2 C3 195 PHTX DST Java Movie Partial Halo
    2011/01/18 19:00:05 305 58 163 300 801 26.6*1 3.1e+14 4.2e+28 303 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2011/01/18 20:12:05 49 14 368 367 366 -0.1*1 ---- ---- 53 C2 C3 195 PHTX DST Java Movie
    2011/01/19 18:00:07 101 37 240 221 90 -2.4*1 5.2e+13 1.5e+28 99 C2 C3 PHTX DST Java Movie Poor Event
    2011/01/20 04:36:05 228 57 195 251 402 5.8*1 1.8e+14 3.3e+28 241 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/20 06:48:06 149 6 462 717 2076 176.3*1 ---- ---- 141 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/20 14:00:05 3 8 452 479 701 13.0*1 ---- ---- 19 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/20 15:24:05 196 101 168 283 394 6.4*1 7.1e+14 1.0e+29 188 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/20 18:48:06 315 36 482 687 1237 59.0*1 5.6e+14 6.4e+29 317 C2 C3 195 PHTX DST Java Movie Only C2
    2011/01/21 05:36:05 83 68 320 368 697 17.2*1 3.7e+13 1.9e+28 70 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2011/01/21 08:24:05 87 49 301 347 669 15.7*1 2.4e+13 1.1e+28 94 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2011/01/21 13:25:25 341 144 117 206 275 3.1*1 4.0e+14*2 2.7e+28*2 349 C2 C3 195 PHTX DST Java Movie Very Poor Event; Partial Halo
    2011/01/21 19:00:05 208 1 177 130 0 -12.9*1 ---- ---- 202 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/22 04:12:09 211 12 251 199 0 -4.8*1 ---- ---- 217 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2011/01/22 04:36:05 259 36 129 166 407 6.4*1 1.4e+14 1.1e+28 256 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/22 13:36:06 307 52 610 722 1207 50.4*1 2.1e+14 3.9e+29 318 C2 C3 195 PHTX DST Java Movie Only C2
    2011/01/23 00:48:05 302 113 448 537 522 5.8 2.6e+15 2.6e+30 297 C2 C3 195 PHTX DST Java Movie
    2011/01/23 16:48:06 219 7 413 251 0 -85.5*1 ---- ---- 223 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/23 23:36:05 256 54 247 248 264 0.4*1 2.0e+14 6.1e+28 270 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2011/01/24 02:00:05 260 79 258 419 417 6.8 1.9e+15 6.4e+29 256 C2 C3 195 PHTX DST Java Movie
    2011/01/24 17:12:06 117 23 176 220 553 11.9*1 3.1e+13 4.9e+27 115 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2011/01/25 08:36:05 354 69 143 212 284 3.1*1 2.4e+14 2.5e+28 357 C2 C3 PHTX DST Java Movie Poor Event
    2011/01/26 01:26:16 44 65 553 673 675 11.1*1 9.7e+14 1.5e+30 34 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/26 07:00:05 238 10 317 363 834 25.4*1 ---- ---- 237 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/26 09:48:05 289 27 176 92 0 -28.3*1 7.2e+13 1.1e+28 291 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/26 16:00:05 280 62 223 263 548 11.0*1 1.9e+14 4.7e+28 292 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/26 23:05:54 281 42 283 249 0 -4.9*1 3.4e+14 1.3e+29 289 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/27 04:12:05 281 73 224 266 580 12.4*1 8.0e+13 2.0e+28 299 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2011/01/27 07:36:05 292 48 234 269 531 9.9*1 4.1e+13 1.1e+28 293 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2011/01/27 09:24:05 261 52 316 221 0 -14.3*1 4.2e+14 2.1e+29 261 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/27 12:36:05 255 43 349 326 264 -2.9*1 9.7e+14 5.9e+29 261 C2 C3 195 PHTX DST Java Movie
    2011/01/27 13:25:48 294 42 278 312 533 9.6*1 1.3e+14 5.0e+28 303 C2 C3 195 PHTX DST Java Movie
    2011/01/27 13:36:21 116 16 227 373 1296 68.5*1 ---- ---- 119 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/27 14:00:05 86 6 365 374 466 3.7*1 ---- ---- 88 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2011/01/27 20:24:06 283 104 326 274 143 -4.9 1.1e+15 5.8e+29 295 C2 C3 195 PHTX DST Java Movie
    2011/01/28 01:25:46 288 119 606 456 259 -20.9 3.5e+15 6.4e+30 290 C2 C3 195 PHTX DST Java Movie
    2011/01/28 05:00:07 116 45 170 256 410 6.7*1 8.6e+14 1.2e+29 112 C2 C3 195 PHTX DST Java Movie
    2011/01/28 10:36:05 280 94 499 427 365 -8.1 3.4e+14 4.2e+29 284 C2 C3 195 PHTX DST Java Movie
    2011/01/29 02:00:05 285 113 677 773 843 15.9*1 7.4e+14 1.7e+30 299 C2 C3 195 PHTX DST Java Movie
    2011/01/29 09:36:43 279 58 312 450 800 25.2*1 3.9e+14 1.9e+29 300 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/29 10:08:20 120 15 350 418 807 23.8*1 ---- ---- 117 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2011/01/29 13:48:05 39 31 299 355 484 7.2*1 2.9e+14 1.3e+29 41 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/30 12:36:05 184 264 120 196 289 3.3*1 1.2e+15*2 8.5e+28*2 178 C2 C3 195 PHTX DST Java Movie Very Poor Event; Partial Halo
    2011/01/30 18:36:06 281 18 318 275 0 -19.2*1 ---- ---- 291 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2011/01/30 19:36:06 278 52 521 539 625 5.6*1 2.1e+14 2.9e+29 288 C2 C3 195 PHTX DST Java Movie Poor Event
    2011/01/30 21:24:05 298 34 388 463 481 5.4*1 6.4e+14 4.8e+29 305 C2 C3 195 PHTX DST Java Movie
    2011/01/31 17:00:05 305 150 713 800 869 15.6 2.7e+15*2 6.8e+30*2 274 C2 C3 195 PHTX DST Java Movie Partial Halo

    *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).