• 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
    2012/02/01 03:48:05 346 51 159 138 0 -2.0*1 7.1e+14 8.9e+28 351 C2 C3 PHTX DST Java Movie
    2012/02/01 04:24:05 194 57 247 385 507 10.1*1 8.1e+14 2.5e+29 193 C2 C3 PHTX DST Java Movie
    2012/02/01 05:24:05 48 62 229 376 452 8.7*1 8.4e+12 2.2e+27 49 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/01 13:25:54 355 60 195 347 367 5.8*1 1.5e+15 2.9e+29 355 C2 C3 PHTX DST Java Movie
    2012/02/02 04:36:05 235 12 305 389 510 9.3*1 ---- ---- 239 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/02 11:36:05 30 33 687 861 855 18.9*1 1.7e+15 4.1e+30 26 C2 C3 PHTX DST Java Movie
    2012/02/02 14:24:05 Halo 360 476 355 397 -8.7*1 7.1e+15*2 8.0e+30*2 353 C2 C3 PHTX DST Java Movie
    2012/02/03 00:48:06 103 14 374 156 0 -98.1*1 ---- ---- 108 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/03 07:24:14 136 177 408 383 366 -2.3*1 1.5e+15*2 1.3e+30*2 149 C2 C3 PHTX DST Java Movie Partial Halo
    2012/02/03 13:48:05 111 16 345 234 0 -43.1*1 ---- ---- 109 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/03 15:36:05 13 7 198 238 365 4.6*1 ---- ---- 13 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/03 22:12:05 11 43 215 232 266 1.4*1 2.8e+12 6.6e+26 24 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/03 22:36:07 211 10 467 776 2230 203.3*1 ---- ---- 211 C2 C3 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2012/02/04 01:36:27 13 17 168 227 428 7.2*1 ---- ---- 18 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/04 03:36:05 93 28 244 137 0 -71.1*1 3.6e+13 1.1e+28 101 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/04 06:00:05 93 39 139 117 0 -7.2*1 6.0e+13 5.8e+27 96 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/04 08:00:05 359 95 291 533 469 9.4 3.9e+15 1.7e+30 11 C2 C3 PHTX DST Java Movie
    2012/02/04 14:36:06 103 67 175 179 229 1.0*1 1.7e+14 2.7e+28 97 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/02/04 18:12:05 122 123 656 717 706 5.8 3.6e+15*2 7.7e+30*2 132 C2 C3 PHTX DST Java Movie Partial Halo
    2012/02/04 19:48:05 236 17 152 210 745 22.5*1 ---- ---- 235 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/05 01:25:49 13 52 442 651 733 20.8*1 4.8e+14 4.7e+29 13 C2 C3 PHTX DST Java Movie
    2012/02/05 02:36:05 91 38 166 165 148 -0.2*1 7.8e+13 1.1e+28 97 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/05 02:36:05 161 63 193 360 332 4.6*1 1.1e+15 2.0e+29 166 C2 C3 PHTX DST Java Movie
    2012/02/05 19:24:05 236 23 134 200 372 5.6*1 7.5e+14 6.8e+28 240 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/05 21:48:05 359 53 588 525 485 -8.0*1 8.2e+14 1.4e+30 2 C2 C3 PHTX DST Java Movie
    2012/02/05 22:24:05 272 65 167 263 311 3.7*1 2.4e+15 3.3e+29 272 C2 C3 PHTX DST Java Movie
    2012/02/06 00:00:05 50 118 359 628 555 12.7 5.4e+15 3.5e+30 43 C2 C3 PHTX DST Java Movie
    2012/02/06 17:00:05 355 14 365 379 392 1.2*1 ---- ---- 352 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/06 19:36:05 28 9 324 369 409 3.8*1 ---- ---- 34 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/06 21:48:05 48 69 274 269 255 -0.5*1 8.3e+14 3.1e+29 41 C2 C3 PHTX DST Java Movie
    2012/02/07 06:00:05 35 13 258 409 561 12.8*1 ---- ---- 32 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/07 12:24:05 31 12 202 203 206 0.1*1 ---- ---- 34 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/07 18:41:04 305 32 189 277 894 33.3*1 1.4e+14 2.5e+28 309 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/08 01:48:06 35 13 254 240 207 -1.3*1 ---- ---- 36 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/08 07:24:05 236 25 443 365 0 -38.0*1 4.3e+13 4.3e+28 242 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/08 08:24:06 79 10 427 398 0 -11.5*1 ---- ---- 77 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/08 10:00:05 80 13 402 356 0 -21.1*1 ---- ---- 80 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/08 18:24:06 334 9 193 292 716 22.1*1 ---- ---- 338 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/08 23:24:05 294 48 185 211 518 10.1*1 9.7e+13 1.7e+28 299 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/09 05:24:05 307 86 345 561 501 10.0 4.5e+15 2.7e+30 313 C2 C3 PHTX DST Java Movie
    2012/02/09 15:48:05 108 7 247 300 786 24.4*1 ---- ---- 110 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/09 21:17:36 Halo 360 659 676 668 1.2 7.5e+15*2 1.6e+31*2 39 C2 C3 PHTX DST Java Movie
    2012/02/10 13:48:05 315 70 302 360 434 5.2*1 6.9e+14 3.1e+29 318 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/10 20:00:05 Halo 360 533 592 567 3.8 7.4e+15*2 1.1e+31*2 39 C2 C3 PHTX DST Java Movie
    2012/02/11 11:36:05 326 28 278 325 428 5.5*1 1.1e+14 4.3e+28 338 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/11 16:48:06 62 62 186 194 317 2.8*1 4.1e+13 7.0e+27 55 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/11 23:48:05 334 9 329 415 549 10.2*1 ---- ---- 339 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/12 05:48:05 279 41 261 314 660 16.1*1 1.4e+14 4.8e+28 275 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/02/12 10:00:05 288 76 382 335 283 -4.4*1 1.2e+15 9.0e+29 290 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/12 17:36:05 257 25 213 178 0 -10.6*1 3.6e+13 8.3e+27 259 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/02/12 20:00:05 271 52 319 432 967 37.5*1 1.3e+14 6.6e+28 264 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/02/13 16:00:05 339 14 223 252 330 3.0*1 ---- ---- 336 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/13 19:12:05 168 5 341 334 0 -6.7*1 ---- ---- 168 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/14 01:48:05 37 86 83 98 226 2.1*1 4.7e+14 1.6e+28 32 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/14 02:00:05 286 78 288 253 0 -4.5*1 4.8e+14 2.0e+29 294 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/14 13:33:39 36 113 233 292 232 3.1*1 ---- ---- 30 C2 C3 PHTX DST Java Movie Poor Event; Only C3
    2012/02/14 16:00:05 13 8 383 685 1605 106.7*1 ---- ---- 10 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/15 08:12:06 40 14 316 458 807 27.8*1 ---- ---- 36 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/15 13:25:51 260 38 41 73 175 1.3*1 5.8e+14 4.9e+27 263 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/16 06:36:05 Halo 360 538 554 557 1.6 3.9e+15*2 5.7e+30*2 288 C2 C3 PHTX DST Java Movie
    2012/02/16 16:12:07 259 55 333 405 442 5.3*1 1.8e+14 1.0e+29 263 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/16 19:12:06 340 75 679 843 986 30.6*1 5.4e+14 1.2e+30 336 C2 C3 PHTX DST Java Movie
    2012/02/16 23:12:09 166 58 283 279 238 -1.1*1 1.6e+14 6.3e+28 166 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/02/17 01:36:05 275 28 354 465 694 17.2*1 3.4e+14 2.1e+29 275 C2 C3 PHTX DST Java Movie
    2012/02/17 03:46:02 68 30 144 214 620 15.9*1 1.3e+14 1.4e+28 66 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/17 17:24:05 76 21 242 294 811 25.6*1 1.2e+12 3.5e+26 75 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/17 20:57:29 239 11 307 339 381 3.1*1 ---- ---- 240 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/18 01:36:21 250 7 300 445 698 20.7*1 ---- ---- 257 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/18 05:48:05 298 19 488 493 529 2.0*1 ---- ---- 303 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/02/18 10:00:05 249 40 484 573 1148 48.9*1 9.4e+13 1.1e+29 253 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/02/19 09:36:06 55 89 238 208 0 -3.4*1 3.0e+14 8.5e+28 47 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/19 17:00:06 342 83 846 670 705 -22.2*1 1.5e+15 5.3e+30 332 C2 C3 PHTX DST Java Movie
    2012/02/19 20:57:30 16 173 539 478 484 -5.4 2.6e+15*2 3.8e+30*2 2 C2 C3 PHTX DST Java Movie Partial Halo
    2012/02/20 05:36:05 55 30 255 159 0 -12.7*1 7.6e+13 2.5e+28 53 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/20 20:23:26 242 71 611 502 462 -15.3*1 5.7e+14 1.1e+30 248 C2 C3 PHTX DST Java Movie
    2012/02/21 04:48:05 253 27 375 422 843 25.5*1 8.1e+13 5.7e+28 257 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/21 19:24:05 256 28 505 467 168 -11.1*1 1.0e+14 1.3e+29 252 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/22 12:00:36 17 70 119 304 273 3.3*1 4.3e+15 3.1e+29 17 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/23 03:36:06 239 68 271 285 348 2.3*1 3.0e+14 1.1e+29 242 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/23 08:12:06 Halo 360 505 585 562 5.5 9.9e+15*2 1.3e+31*2 300 C2 C3 PHTX DST Java Movie
    2012/02/23 19:36:06 292 50 468 355 352 -8.5*1 2.3e+14 2.5e+29 308 C2 C3 PHTX DST Java Movie
    2012/02/23 19:36:06 27 99 381 606 539 10.8 9.5e+15 6.9e+30 11 C2 C3 PHTX DST Java Movie
    2012/02/24 03:46:02 341 189 800 925 874 13.3 6.3e+15*2 2.0e+31*2 1 C2 C3 PHTX DST Java Movie Partial Halo
    2012/02/24 14:00:05 243 11 411 563 1141 51.6*1 ---- ---- 243 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/24 17:36:05 135 94 461 990 850 30.6 6.8e+15 7.2e+30 131 C2 C3 PHTX DST Java Movie
    2012/02/25 04:00:06 347 28 403 444 613 10.2*1 3.2e+13 2.6e+28 353 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/25 07:00:07 348 27 457 575 898 28.5*1 2.2e+12 2.3e+27 353 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/25 10:24:05 293 55 221 290 375 4.9*1 1.4e+15 3.5e+29 295 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/25 11:00:06 352 13 260 201 0 -10.9*1 ---- ---- 350 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/25 13:36:28 139 12 347 421 807 25.0*1 ---- ---- 136 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/25 15:12:08 51 97 1039 915 907 -23.2 1.7e+15 9.4e+30 59 C2 C3 PHTX DST Java Movie
    2012/02/25 16:36:06 237 16 572 715 857 23.2*1 ---- ---- 240 C2 C3 PHTX DST Java Movie
    2012/02/25 23:12:12 291 26 210 239 532 10.5*1 4.9e+13 1.1e+28 293 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/26 02:00:05 21 52 379 327 260 -5.2*1 1.0e+15 7.2e+29 33 C2 C3 PHTX DST Java Movie
    2012/02/26 05:24:05 293 30 222 350 1118 50.7*1 3.6e+14 8.9e+28 294 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/26 06:24:07 281 57 249 227 196 -1.4*1 2.1e+15 6.5e+29 298 C2 C3 PHTX DST Java Movie
    2012/02/26 10:24:05 145 10 329 400 736 20.5*1 ---- ---- 140 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/26 20:36:06 64 31 620 489 0 -28.1*1 2.7e+14 5.2e+29 62 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/26 22:00:05 283 17 292 263 78 -4.1*1 ---- ---- 284 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/02/27 06:48:08 339 105 259 440 454 8.3*1 1.5e+15 5.2e+29 336 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/27 09:24:06 97 91 186 351 364 5.8*1 4.1e+15 7.1e+29 89 C2 C3 PHTX DST Java Movie Poor Event
    2012/02/27 14:48:05 41 52 108 75 0 -5.6*1 3.9e+14 2.3e+28 27 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/27 16:24:05 286 52 190 241 527 10.6*1 8.6e+14 1.5e+29 277 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/02/27 18:36:06 281 138 580 727 692 11.4 4.0e+15*2 6.7e+30*2 286 C2 C3 PHTX DST Java Movie Partial Halo
    2012/02/27 23:12:12 333 44 195 210 222 0.7*1 1.8e+13 3.4e+27 345 C2 C3 PHTX DST Java Movie
    2012/02/28 08:48:05 274 12 192 242 647 16.7*1 ---- ---- 276 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/28 09:24:06 67 43 677 634 537 -9.6*1 3.4e+14 7.7e+29 59 C2 C3 PHTX DST Java Movie
    2012/02/28 14:00:07 272 35 250 207 0 -12.0*1 2.0e+14 6.2e+28 273 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/02/28 17:00:05 276 32 211 172 0 -12.9*1 3.4e+13 7.5e+27 275 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/28 18:36:06 270 19 225 246 430 5.9*1 ---- ---- 274 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/02/28 19:24:06 46 76 536 507 486 -3.4*1 5.6e+14 8.0e+29 33 C2 C3 PHTX DST Java Movie
    2012/02/28 21:38:45 269 36 380 355 154 -5.7*1 3.8e+14 2.7e+29 268 C2 C3 PHTX DST Java Movie
    2012/02/29 01:25:48 294 113 262 190 0 -7.2*1 1.7e+15 6.0e+29 306 C2 C3 PHTX DST Java Movie
    2012/02/29 09:12:08 88 60 169 163 77 -1.0*1 4.9e+14 7.0e+28 92 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/02/29 09:12:08 Halo 360 466 373 426 -5.4 5.8e+15*2 6.3e+30*2 290 C2 C3 PHTX DST Java Movie
    2012/02/29 12:00:05 249 85 675 544 0 -27.2 4.4e+14 1.0e+30 274 C2 C3 PHTX DST Java Movie
    2012/02/29 12:24:07 90 35 113 99 0 -2.3*1 9.0e+13 5.8e+27 87 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/02/29 14:24:05 16 76 221 466 402 6.8*1 3.8e+15 9.2e+29 17 C2 C3 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).