• 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
    2001/07/02 16:30:05 358 94 42 69 198 1.6 1.8e+15 1.6e+28 329 C2 C3 195 SXT PHTX DST Java Movie Difficult to measure the width; Only C2
    2001/07/02 19:31:51 321 8 ---- --- --- --- ---- ---- 318 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2; Unable to measure
    2001/07/03 02:30:05 139 25 840 703 660 -23.6 8.2e+14 2.9e+30 127 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/03 07:31:52 231 8 684 --- --- --- ---- ---- 229 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2001/07/03 22:06:05 128 26 926 774 827 -19.6 5.4e+14 2.3e+30 122 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/04 08:30:05 237 17 257 338 904 32.6*1 ---- ---- 239 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    2001/07/04 12:30:05 194 85 481 502 510 2.0 4.1e+15 4.7e+30 197 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/04 19:31:52 331 74 213 215 247 0.7*1 6.6e+14*2 1.5e+29*2 325 C2 C3 195 SXT PHTX DST Java Movie UVCS Only 3 points; Only C2
    2001/07/05 00:30:05 134 53 138 175 381 5.5 3.4e+13 3.2e+27 131 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/07/05 03:54:05 281 123 437 616 613 12.3 7.0e+15*2 6.7e+30*2 264 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    2001/07/05 05:54:05 122 14 963 924 894 -9.0 ---- ---- 124 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/06 15:06:05 276 12 214 229 347 3.3 ---- ---- 276 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/07/07 02:30:05 251 10 358 497 819 26.4*1 ---- ---- 250 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 3 points
    2001/07/07 02:30:05 79 13 295 214 0 -23.5*1 ---- ---- 79 C2 C3 195 SXT PHTX DST Java Movie Newly inserted on 2006/01/11; Only 3 points
    2001/07/07 04:30:05 126 >212 462 --- --- --- 2.7e+14*2 2.9e+29*2 170 C2 C3 195 SXT PHTX DST Java Movie Newly inserted on 2006/01/11; Poor Event; Only 2 points; Only C2; Uncertain Width; Partial Halo
    2001/07/07 06:06:31 256 18 460 447 420 -2.0 ---- ---- 251 C2 C3 195 SXT PHTX DST Java Movie Newly inserted on 2006/01/11
    2001/07/07 09:30:17 255 12 344 534 1272 67.6*1 ---- ---- 255 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    2001/07/07 09:54:05 74 8 427 420 388 -1.6 ---- ---- 68 C2 C3 195 SXT PHTX DST Java Movie UVCS
    2001/07/07 12:06:05 261 12 442 592 909 30.9*1 ---- ---- 253 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/07 16:30:05 139 44 770 787 888 9.2*1 5.4e+14*2 1.6e+30*2 131 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/07/08 02:30:05 221 79 336 315 0 -6.0*1 2.1e+14 1.2e+29 224 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    2001/07/08 11:54:05 55 67 216 225 255 0.9 8.5e+14 2.0e+29 65 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/08 12:30:05 239 62 266 291 441 5.7*1 2.5e+14 8.8e+28 239 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    2001/07/08 19:54:06 65 6 562 503 230 -13.9 ---- ---- 57 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/09 02:30:05 170 77 213 204 102 -1.6 1.5e+15 3.3e+29 172 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/07/09 07:31:50 299 23 209 201 0 -2.8*1 1.3e+14 2.7e+28 304 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    2001/07/09 18:30:05 262 38 503 399 168 -14.8 2.8e+14 3.5e+29 246 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/10 02:06:05 184 24 408 331 148 -8.8*1 6.1e+13 5.1e+28 188 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    2001/07/10 16:30:05 65 66 176 163 0 -6.5*1 1.2e+15*2 1.9e+29*2 55 C2 C3 195 SXT PHTX DST Java Movie UVCS Very Poor Event; Only C2
    2001/07/10 22:06:05 266 47 484 453 392 -4.5 1.0e+15 1.2e+30 273 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/11 05:54:05 12 38 241 156 0 -13.3 3.9e+14 1.1e+29 9 C2 C3 195 SXT PHTX DST Java Movie UVCS
    2001/07/11 11:06:06 253 11 439 631 1594 102.1*1 ---- ---- 250 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    2001/07/11 11:30:05 50 58 310 280 274 -1.8 2.2e+15 1.1e+30 59 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/12 00:06:05 240 148 736 662 683 -8.2 1.5e+16*2 4.0e+31*2 246 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    2001/07/12 00:30:05 81 41 32 52 115 0.5 3.7e+15 1.9e+28 84 C2 C3 195 SXT PHTX DST Java Movie UVCS Only C2
    2001/07/12 04:54:06 37 20 256 387 444 7.3*1 2.9e+14 9.4e+28 30 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    2001/07/12 07:31:48 197 42 674 571 621 -8.9 1.9e+13 4.2e+28 223 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/12 16:30:05 124 46 640 606 600 -4.2*1 8.3e+14 1.7e+30 114 C2 C3 195 SXT PHTX DST Java Movie UVCS
    2001/07/13 09:30:05 263 89 724 643 685 -7.8 2.3e+15 6.1e+30 278 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/14 05:30:05 70 68 279 275 276 -0.2*1 1.2e+14 4.5e+28 61 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/14 07:31:52 172 13 402 489 1101 48.6*1 ---- ---- 175 C2 C3 195 SXT PHTX DST Java Movie Only 3 points; Only C2
    2001/07/14 12:30:05 181 13 312 259 0 -29.8*1 ---- ---- 185 C2 C3 195 SXT PHTX DST Java Movie Only 3 points; Only C2
    2001/07/14 12:30:05 260 52 342 509 746 21.7*1 1.4e+15 8.0e+29 258 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/14 22:06:05 119 25 159 266 256 2.7*1 1.5e+15 1.9e+29 119 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    2001/07/14 22:30:05 199 17 495 442 368 -7.2 ---- ---- 207 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/15 06:30:05 254 101 501 454 468 -3.2 7.6e+15 9.6e+30 243 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/15 18:30:05 252 27 470 314 0 -87.8*1 2.6e+14*2 2.9e+29*2 252 C2 C3 195 SXT PHTX DST Java Movie Only 3 points; Only C2
    2001/07/16 01:54:05 166 101 294 236 0 -15.5*1 1.3e+14 5.6e+28 164 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/07/16 02:54:05 173 142 307 247 0 -9.8*1 3.8e+14*2 1.8e+29*2 176 C2 C3 195 SXT PHTX DST Java Movie Difficult to measure the width; Partial Halo
    2001/07/16 04:30:05 228 20 498 474 421 -4.2 1.5e+14 1.8e+29 227 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/16 04:30:05 41 41 258 339 447 8.5*1 9.2e+14 3.0e+29 45 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/16 06:18:05 38 52 159 217 426 8.6*1 5.2e+14 6.5e+28 46 C2 C3 195 SXT PHTX DST Java Movie Only C3
    2001/07/16 07:54:05 223 17 714 562 0 -49.1*1 ---- ---- 224 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/16 09:06:05 122 39 160 127 0 -11.5*1 1.8e+14 2.3e+28 127 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    2001/07/16 11:54:05 61 33 302 250 0 -6.6 3.0e+14 1.3e+29 68 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/16 13:42:05 4 154 149 271 367 6.7*1 6.3e+15*2 7.0e+29*2 342 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C3; Partial Halo
    2001/07/16 16:30:05 182 12 437 461 465 1.8*1 ---- ---- 187 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    2001/07/17 09:30:05 76 15 317 197 0 -36.4*1 ---- ---- 81 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    2001/07/17 16:18:05 235 39 445 409 388 -4.1 2.6e+15 2.6e+30 232 C2 C3 195 SXT PHTX DST Java Movie Only C3
    2001/07/18 05:54:06 243 10 852 1015 1166 37.1 ---- ---- 239 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/18 06:30:05 187 19 529 785 1107 48.8*1 ---- ---- 187 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/18 10:54:05 265 108 514 450 337 -9.3 1.5e+15 2.0e+30 253 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/18 21:54:06 240 9 784 735 647 -11.1 ---- ---- 241 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/19 10:30:22 275 166 1668 1630 1634 -11.6 3.5e+15*2 4.9e+31*2 252 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    2001/07/19 12:06:05 81 13 346 460 953 35.5*1 ---- ---- 83 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    2001/07/19 19:31:41 78 11 639 563 408 -14.7 ---- ---- 82 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/20 05:06:05 357 26 193 97 0 -66.8*1 2.0e+14*2 3.6e+28*2 359 C2 C3 195 SXT PHTX DST Java Movie Only 3 points; Only C2
    2001/07/20 06:06:05 359 96 280 400 492 9.3 2.7e+15 1.0e+30 7 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/20 07:54:07 79 8 382 308 0 -21.5*1 ---- ---- 84 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    2001/07/20 13:31:39 77 27 667 721 732 6.9 1.1e+15 2.3e+30 78 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/20 20:33:02 81 13 198 260 399 5.9*1 ---- ---- 91 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    2001/07/20 22:22:35 111 17 786 759 741 -4.6 ---- ---- 113 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/20 23:30:05 204 36 301 380 605 13.7*1 5.0e+14 2.3e+29 209 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    2001/07/20 23:54:21 103 46 194 111 0 -10.1*1 5.0e+14 9.4e+28 104 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/21 05:18:15 258 14 1020 1122 1282 39.8*1 ---- ---- 255 C2 C3 195 SXT PHTX DST Java Movie Only C3
    2001/07/21 10:56:08 82 12 455 233 0 -126.5*1 ---- ---- 83 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    2001/07/21 14:54:05 273 12 528 717 2109 183.5*1 ---- ---- 271 C2 C3 195 SXT PHTX DST Java Movie Only 3 points; Only C2
    2001/07/21 17:54:05 102 28 199 188 0 -3.5 1.2e+14 2.4e+28 101 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/07/21 21:30:09 111 19 731 528 470 -25.6 ---- ---- 108 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/22 03:18:05 246 11 1032 1098 1111 15.1 ---- ---- 243 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/22 14:06:06 247 14 217 194 0 -5.4*1 ---- ---- 245 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    2001/07/22 17:54:05 257 32 763 755 742 -1.9 5.9e+14 1.7e+30 256 C2 C3 195 SXT PHTX DST Java Movie UVCS
    2001/07/22 19:31:39 120 17 641 --- --- --- ---- ---- 118 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2001/07/22 22:30:05 117 78 149 322 990 40.7*1 9.6e+14 1.1e+29 112 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    2001/07/23 11:08:10 292 80 515 640 613 13.7 6.8e+15 9.0e+30 298 C2 C3 195 SXT PHTX DST Java Movie Only C3
    2001/07/23 14:30:05 110 147 470 292 0 -32.1*1 1.3e+15*2 1.5e+30*2 139 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Partial Halo
    2001/07/23 21:54:05 96 36 339 286 0 -25.4*1 2.0e+14*2 1.2e+29*2 95 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    2001/07/24 06:54:05 97 37 293 268 0 -5.0 5.2e+14 2.2e+29 91 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/25 06:54:05 118 7 851 895 921 8.4 ---- ---- 120 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/25 07:31:46 59 140 338 383 401 3.2 4.6e+15*2 2.6e+30*2 76 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    2001/07/25 11:54:05 182 62 404 370 293 -4.4 1.7e+14 1.4e+29 205 C2 C3 195 SXT PHTX DST Java Movie Difficult to measure the width
    2001/07/26 06:54:05 60 44 227 236 284 1.5*1 1.3e+14 3.4e+28 79 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    2001/07/26 10:54:06 106 31 598 511 382 -13.9 2.4e+14 4.3e+29 115 C2 C3 195 SXT PHTX DST Java Movie UVCS
    2001/07/26 12:06:05 240 35 335 341 363 1.0*1 3.9e+14 2.2e+29 229 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/27 01:54:06 107 37 614 746 925 25.5 5.5e+14 1.0e+30 110 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/27 11:30:05 191 63 496 454 378 -6.1 6.0e+14 7.4e+29 195 C2 C3 195 SXT PHTX DST Java Movie
    2001/07/28 02:30:05 238 8 294 288 283 -0.5*1 ---- ---- 236 C2 C3 195 SXT PHTX DST Java Movie Newly inserted on 2005/10/11
    2001/07/28 10:56:09 241 16 165 68 0 -241.7*1 ---- ---- 244 C2 C3 195 SXT PHTX DST Java Movie Newly inserted on 2005/10/11; Poor Event; Only 3 points; Only C2
    2001/07/28 13:54:06 282 26 953 871 804 -18.5 2.1e+14 9.7e+29 278 C2 C3 195 SXT PHTX DST Java Movie Newly inserted on 2005/10/11
    2001/07/28 14:30:05 238 31 166 135 0 -27.0*1 3.9e+13*2 5.4e+27*2 243 C2 C3 195 SXT PHTX DST Java Movie Newly inserted on 2005/10/11; Only 3 points; Only C2
    2001/07/28 16:06:05 74 27 198 275 1151 53.6*1 3.7e+13*2 7.2e+27*2 73 C2 C3 195 SXT PHTX DST Java Movie Newly inserted on 2005/10/11; Poor Event; Only 3 points; Only C2

    *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).