• 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
    2006/10/01 11:54:18 272 29 571 653 832 18.9*1 1.0e+14 1.7e+29 269 PHTX DST Java Movie
    2006/10/01 20:30:04 111 16 190 218 641 15.7*1 ---- ---- 108 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2006/10/01 23:30:04 94 76 299 345 592 11.7 4.3e+14 1.9e+29 73 PHTX DST Java Movie
    2006/10/02 08:06:04 260 8 427 374 0 -13.6*1 ---- ---- 260 C2 C3 195 PHTX DST Java Movie
    2006/10/02 12:30:28 255 8 485 440 57 -11.6*1 ---- ---- 258 C2 C3 195 PHTX DST Java Movie
    2006/10/02 17:00:29 259 4 474 --- --- --- ---- ---- 263 C2 C3 195 PHTX DST Java Movie Only 2 points; Only C2
    2006/10/02 18:54:04 261 16 229 299 489 9.0*1 ---- ---- 264 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/10/03 00:30:04 358 5 ---- --- --- --- ---- ---- 358 C2 C3 195 PHTX DST Java Movie Only 1 point; Only C2
    2006/10/03 04:30:04 260 4 358 873 3325 453.1*1 ---- ---- 261 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2006/10/03 09:06:04 258 4 510 302 0 -144.3*1 ---- ---- 262 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2006/10/03 11:06:04 242 3 343 362 657 13.4*1 ---- ---- 243 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2006/10/04 03:30:04 80 41 132 103 0 -11.1*1 3.1e+13 2.7e+27 77 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2006/10/04 08:30:04 267 73 296 356 431 5.3 2.0e+15 8.9e+29 273 C2 C3 195 PHTX DST Java Movie
    2006/10/05 03:54:04 26 3 580 --- --- --- ---- ---- 31 C2 C3 195 PHTX DST Java Movie Poor Event; Only 2 points; Only C2
    2006/10/05 18:54:04 153 71 284 549 857 30.0 2.3e+14 9.4e+28 128 C2 C3 195 PHTX DST Java Movie
    2006/10/06 04:30:04 278 22 246 328 1085 46.9*1 1.9e+13*2 5.7e+27*2 275 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2006/10/06 16:54:04 280 20 217 290 1000 40.4*1 2.0e+13*2 4.6e+27*2 277 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2006/10/06 21:54:04 277 20 223 109 0 -111.4*1 5.2e+12*2 1.3e+27*2 278 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2006/10/07 01:31:42 76 27 194 268 337 4.4*1 2.5e+14 4.7e+28 86 C2 C3 195 PHTX DST Java Movie
    2006/10/07 09:06:16 265 88 360 511 1283 65.8*1 7.8e+13*2 5.1e+28*2 260 C2 C3 195 PHTX DST Java Movie
    2006/10/07 16:30:04 249 23 273 652 2852 335.6*1 3.0e+13*2 1.1e+28*2 255 C2 C3 195 PHTX DST Java Movie Only 3 points; Only C2
    2006/10/07 18:54:04 243 33 309 341 447 5.1*1 6.8e+13 3.3e+28 244 C2 C3 195 PHTX DST Java Movie
    2006/10/08 10:34:02 247 34 345 778 3215 425.2*1 3.2e+13*2 1.9e+28*2 247 C2 C3 195 PHTX DST Java Movie Only 3 points; Only C2
    2006/10/08 15:54:04 248 25 315 444 1329 71.9*1 4.7e+13*2 2.3e+28*2 247 C2 C3 195 PHTX DST Java Movie Only C2
    2006/10/08 20:30:05 264 15 265 251 0 -7.8*1 ---- ---- 270 C2 C3 195 PHTX DST Java Movie Only 3 points; Only C2
    2006/10/09 05:06:04 247 11 217 353 1519 94.0*1 ---- ---- 249 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2006/10/09 06:54:04 246 10 166 329 1451 87.0*1 ---- ---- 248 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2006/10/09 07:31:46 116 4 286 --- --- --- ---- ---- 116 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2006/10/09 10:06:04 244 10 114 131 545 11.8*1 ---- ---- 247 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2006/10/09 12:54:04 245 18 188 --- --- --- ---- ---- 246 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2006/10/09 18:30:04 49 5 322 233 0 -49.9*1 ---- ---- 52 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2006/10/09 21:54:04 123 6 358 300 0 -26.9*1 ---- ---- 120 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2006/10/09 22:30:04 107 51 165 390 337 5.1*1 3.7e+15 5.0e+29 106 C2 C3 195 PHTX DST Java Movie
    2006/10/10 08:30:04 273 7 304 624 2592 282.8*1 ---- ---- 271 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2006/10/10 10:54:04 287 8 419 497 568 8.5*1 ---- ---- 283 C2 C3 195 PHTX DST Java Movie
    2006/10/11 08:30:04 242 22 169 --- --- --- 1.5e+13*2 2.1e+27*2 242 195 PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2006/10/11 13:33:40 116 32 274 325 366 3.6*1 5.7e+14 2.1e+29 109 195 PHTX DST Java Movie
    2006/10/11 17:30:04 120 46 126 148 244 2.0*1 8.5e+13 6.7e+27 125 195 PHTX DST Java Movie Only C2
    2006/10/12 04:30:04 282 8 241 328 500 9.7*1 ---- ---- 282 C2 C3 195 PHTX DST Java Movie Poor Event
    2006/10/13 08:54:04 260 6 123 181 243 2.3*1 ---- ---- 260 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/10/14 03:30:06 274 33 217 188 0 -17.0*1 3.6e+13*2 8.5e+27*2 267 C2 C3 195 PHTX DST Java Movie Only C2
    2006/10/14 06:30:04 273 25 166 234 968 38.1*1 2.2e+13*2 3.0e+27*2 270 C2 C3 195 PHTX DST Java Movie Only 3 points; Only C2
    2006/10/14 08:54:28 271 31 237 391 1458 86.8*1 4.6e+13*2 1.3e+28*2 272 C2 C3 195 PHTX DST Java Movie Only C2
    2006/10/14 14:06:04 268 35 261 366 1168 54.6*1 4.1e+13*2 1.4e+28*2 272 C2 C3 195 PHTX DST Java Movie Only C2
    2006/10/15 02:31:46 240 37 98 234 248 2.6*1 1.4e+15 6.6e+28 243 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/10/15 11:54:04 274 47 272 192 0 -27.7 2.0e+14 7.4e+28 272 C2 C3 195 PHTX DST Java Movie Only C2
    2006/10/15 18:30:04 116 17 399 403 408 0.5 ---- ---- 107 C2 C3 195 PHTX DST Java Movie
    2006/10/15 23:06:04 261 33 246 176 0 -8.9*1 1.8e+13 5.4e+27 264 C2 C3 195 PHTX DST Java Movie
    2006/10/16 14:06:05 224 3 307 51 0 -178.2*1 ---- ---- 230 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2006/10/17 05:54:04 270 5 273 130 0 -78.2*1 ---- ---- 270 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2006/10/18 18:35:22 343 3 399 --- --- --- ---- ---- 342 195 PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2006/10/19 06:30:04 274 25 135 247 1023 43.1*1 4.0e+13*2 3.7e+27*2 275 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2006/10/20 15:08:05 267 11 221 214 178 -0.9*1 ---- ---- 266 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2006/10/22 19:31:43 93 252 254 274 280 0.9 1.4e+15*2 4.4e+29*2 83 C2 C3 195 PHTX DST Java Movie Partial Halo
    2006/10/23 02:06:04 240 4 348 428 438 4.8 ---- ---- 241 C2 C3 195 PHTX DST Java Movie
    2006/10/24 03:54:04 359 4 ---- --- --- --- ---- ---- 360 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 1 point; Only C2
    2006/10/25 19:48:13 250 19 234 --- --- --- ---- ---- 253 C2 C3 195 PHTX DST Java Movie Only 2 points; Only C2
    2006/10/25 20:39:15 320 3 ---- --- --- --- ---- ---- 314 C2 C3 195 PHTX DST Java Movie Poor Event; Only 1 point; Only C2
    2006/10/25 21:30:12 253 38 628 561 370 -16.0 3.0e+14 5.9e+29 258 C2 C3 195 PHTX DST Java Movie
    2006/10/26 07:31:39 178 2 528 --- --- --- ---- ---- 179 C2 C3 195 PHTX DST Java Movie Poor Event; Only 2 points; Only C2
    2006/10/26 08:30:27 30 3 462 --- --- --- ---- ---- 32 C2 C3 195 PHTX DST Java Movie Poor Event; Only 2 points; Only C2
    2006/10/27 14:30:04 265 22 200 --- --- --- 3.4e+12*2 6.9e+26*2 265 C2 C3 195 PHTX DST Java Movie Poor Event; Only 2 points; Only C2
    2006/10/27 20:54:04 269 15 183 --- --- --- ---- ---- 270 C2 C3 195 PHTX DST Java Movie Poor Event; Only 2 points; Only C2
    2006/10/28 01:32:14 72 45 173 335 448 8.4 1.5e+15 2.2e+29 73 PHTX DST Java Movie
    2006/10/28 04:06:04 260 35 223 176 0 -18.2*1 3.9e+13*2 9.8e+27*2 268 PHTX DST Java Movie Only C2
    2006/10/28 19:55:47 307 38 267 359 417 6.4*1 4.9e+14 1.7e+29 306 PHTX DST Java Movie Poor Event
    2006/10/29 00:06:04 268 26 180 131 0 -19.4*1 1.7e+13*2 2.7e+27*2 274 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2006/10/29 07:54:04 263 53 237 231 217 -0.5 6.2e+14 1.7e+29 267 C2 C3 195 PHTX DST Java Movie
    2006/10/30 02:54:04 260 49 305 314 328 0.8 4.0e+14 1.9e+29 270 PHTX DST Java Movie
    2006/10/30 11:30:04 266 41 196 207 311 2.6*1 1.4e+13 2.7e+27 272 PHTX DST Java Movie Poor Event; Only C2
    2006/10/30 13:32:15 99 21 91 98 405 6.5*1 1.9e+13*2 7.8e+26*2 102 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2006/10/30 15:30:07 264 10 484 --- --- --- ---- ---- 271 PHTX DST Java Movie Only 2 points; Only C2
    2006/10/31 04:30:13 Halo 360 482 364 370 -9.2 3.9e+15*2 4.6e+30*2 82 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).