• 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
    2006/02/01 00:30:04 240 39 44 94 202 1.8*1 1.7e+14 1.7e+27 246 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/01 01:31:45 232 22 255 182 0 -5.9*1 3.1e+13 1.0e+28 230 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/01 17:54:04 70 27 240 316 306 2.9*1 3.5e+12 1.0e+27 72 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/02/02 03:30:28 70 14 251 380 426 8.0*1 ---- ---- 72 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/02 06:30:05 301 47 370 409 635 12.6*1 1.7e+14 1.2e+29 301 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2006/02/02 11:30:05 77 12 245 238 225 -0.6*1 ---- ---- 82 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/02 11:30:05 235 47 231 291 479 8.3*1 8.5e+14 2.3e+29 234 C2 C3 195 PHTX DST Java Movie
    2006/02/02 18:54:04 109 20 325 416 903 31.9*1 7.9e+12 4.2e+27 104 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2006/02/02 21:54:04 117 13 409 546 1121 50.4*1 ---- ---- 113 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/03 09:06:04 83 57 330 531 436 7.0 4.4e+15 2.4e+30 74 C2 C3 195 PHTX DST Java Movie
    2006/02/03 11:06:04 216 98 216 446 486 9.9*1 3.5e+14 8.1e+28 236 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/02/04 03:54:07 85 27 314 329 330 0.8*1 2.1e+14 1.0e+29 90 C2 C3 195 PHTX DST Java Movie
    2006/02/04 09:54:05 85 17 250 327 550 11.4*1 ---- ---- 86 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/02/05 00:54:04 113 102 133 357 295 3.7*1 3.2e+15 2.9e+29 94 C2 C3 195 PHTX DST Java Movie
    2006/02/06 11:30:04 104 12 401 470 529 7.3*1 ---- ---- 103 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/07 04:06:04 106 10 356 467 586 12.8*1 ---- ---- 105 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/07 07:31:45 122 10 345 510 1897 153.5*1 ---- ---- 124 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2006/02/08 03:30:04 95 9 366 471 468 6.7*1 ---- ---- 92 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/08 10:30:21 142 9 359 173 0 -166.3*1 ---- ---- 140 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2006/02/08 14:30:05 145 12 215 203 0 -6.8*1 ---- ---- 142 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2006/02/08 20:30:04 108 17 315 302 282 -1.2*1 ---- ---- 107 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/02/09 04:06:04 266 63 282 204 0 -23.2*1 7.3e+13 2.9e+28 275 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2006/02/09 22:30:04 90 11 303 365 778 23.0*1 ---- ---- 92 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2006/02/10 21:54:04 264 18 302 334 358 2.3*1 ---- ---- 264 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/02/10 23:30:05 Halo 360 471 555 514 4.3 ---- ---- 166 C2 C3 195 PHTX DST Java Movie
    2006/02/12 13:54:04 63 14 183 273 1101 49.8*1 ---- ---- 64 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2006/02/12 14:54:04 44 14 434 319 0 -65.1*1 ---- ---- 46 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2006/02/13 00:54:04 126 16 278 298 332 2.0*1 ---- ---- 120 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/02/13 01:31:41 98 13 435 484 567 7.4*1 ---- ---- 100 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/13 04:54:04 121 19 264 278 285 0.8*1 ---- ---- 117 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/13 17:54:04 126 21 287 287 287 -0.0*1 ---- ---- 116 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/13 21:08:00 61 18 647 801 988 31.9*1 ---- ---- 64 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/14 00:30:27 79 19 321 322 330 0.3*1 ---- ---- 83 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/02/14 18:30:04 260 37 304 435 465 7.9*1 3.6e+14 1.7e+29 265 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/02/14 23:30:04 120 19 127 90 0 -17.0*1 ---- ---- 121 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2006/02/15 19:31:43 306 9 466 389 0 -45.6*1 ---- ---- 300 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2006/02/16 21:12:38 290 9 369 301 0 -28.8*1 ---- ---- 287 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2006/02/17 05:06:04 90 97 510 765 686 15.8 6.5e+15 8.4e+30 61 C2 C3 195 PHTX DST Java Movie
    2006/02/18 00:30:04 59 21 318 334 338 1.0*1 1.1e+14 5.7e+28 63 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/18 04:30:04 92 18 187 260 446 7.8*1 ---- ---- 89 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/18 04:30:04 62 19 158 158 156 -0.0*1 ---- ---- 67 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/18 08:06:04 326 14 366 234 0 -49.2*1 ---- ---- 320 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2006/02/18 08:30:05 61 17 260 286 306 1.6*1 ---- ---- 70 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/18 11:54:04 273 37 242 226 0 -3.7*1 7.1e+13 2.1e+28 279 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/19 00:30:17 247 7 143 139 0 -1.7*1 ---- ---- 250 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2006/02/19 09:54:04 4 12 342 508 1419 85.2*1 ---- ---- 9 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2006/02/19 14:54:04 5 12 443 287 0 -152.2*1 ---- ---- 8 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2006/02/19 18:54:04 5 12 236 242 368 3.8*1 ---- ---- 10 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points
    2006/02/20 01:54:04 117 52 254 220 83 -3.0*1 1.4e+14 4.4e+28 112 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/02/20 14:30:04 83 13 190 222 292 2.6*1 ---- ---- 87 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/20 17:06:04 98 56 282 382 596 13.5*1 4.9e+13 1.9e+28 98 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/02/20 20:06:17 102 50 163 175 250 1.7*1 8.0e+13 1.1e+28 96 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/21 02:06:04 83 17 280 326 358 3.1*1 ---- ---- 88 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/02/21 06:06:05 114 46 205 160 0 -8.7*1 7.0e+13 1.5e+28 105 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2006/02/21 17:30:06 230 29 209 247 295 2.4*1 1.5e+13 3.3e+27 232 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/22 04:30:04 114 13 218 299 304 3.2*1 ---- ---- 105 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/22 06:06:04 115 6 180 320 703 21.1*1 ---- ---- 109 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/22 13:31:44 248 35 531 336 0 -24.5*1 1.4e+14 1.9e+29 257 C2 C3 195 PHTX DST Java Movie
    2006/02/22 19:55:16 96 61 352 428 458 5.4*1 5.6e+14 3.5e+29 92 C2 C3 195 PHTX DST Java Movie
    2006/02/24 06:06:04 99 50 35 45 95 0.3*1 1.9e+13 1.1e+26 96 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2006/02/24 15:06:04 69 17 235 237 240 0.1*1 ---- ---- 67 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/25 08:06:04 70 13 226 251 336 3.3*1 ---- ---- 72 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/25 17:06:48 293 14 316 386 568 11.1*1 ---- ---- 288 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/02/25 19:31:59 94 7 211 216 225 0.4*1 ---- ---- 94 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/26 02:06:04 315 54 213 183 0 -4.9*1 4.8e+13 1.1e+28 314 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2006/02/26 02:30:05 278 28 283 257 168 -2.8*1 3.9e+14 1.5e+29 276 C2 C3 195 PHTX DST Java Movie
    2006/02/26 12:54:04 274 17 324 329 360 1.2*1 ---- ---- 271 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/26 19:54:49 202 7 602 557 0 -45.2*1 ---- ---- 206 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2006/02/27 07:54:04 69 24 262 289 339 2.6*1 6.7e+12 2.3e+27 71 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/02/28 14:05:05 239 29 370 333 343 -2.0 7.0e+14 4.8e+29 248 C2 C3 PHTX DST Java Movie
    2006/02/28 17:05:04 241 39 226 259 283 1.8*1 2.0e+14 5.2e+28 245 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).