• 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
    2003/06/01 01:54:42 69 63 350 416 708 17.3 1.1e+16 6.7e+30 70 C2 C3 195 PHTX DST Java Movie Difficult to measure the width.
    2003/06/01 03:30:23 87 83 1270 1200 1218 -15.7 7.5e+15 6.1e+31 115 C2 C3 195 PHTX DST Java Movie
    2003/06/01 23:07:16 43 18 341 299 105 -5.8*1 ---- ---- 46 C2 C3 195 PHTX DST Java Movie
    2003/06/02 00:30:07 265 172 1656 1874 1771 42.5 8.1e+15*2 1.1e+32*2 248 C2 C3 195 PHTX DST Java Movie UVCS Partial Halo
    2003/06/02 05:54:05 46 19 405 402 391 -0.6*1 ---- ---- 46 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/02 08:54:05 261 161 980 949 967 -3.4 2.3e+15*2 1.1e+31*2 264 C2 C3 195 PHTX DST Java Movie UVCS Partial Halo
    2003/06/02 15:30:05 50 12 445 491 876 25.3*1 ---- ---- 49 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2003/06/02 16:06:05 260 22 645 578 512 -10.1*1 5.9e+14 1.2e+30 267 C2 C3 195 PHTX DST Java Movie UVCS
    2003/06/02 19:31:40 71 124 711 837 775 10.0 7.6e+15*2 1.9e+31*2 98 C2 C3 195 PHTX DST Java Movie Partial Halo
    2003/06/02 19:54:07 290 30 439 372 0 -37.1*1 1.2e+14*2 1.1e+29*2 290 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2003/06/02 22:30:05 275 28 855 1018 1277 50.4*1 1.4e+14 5.2e+29 278 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/03 18:30:05 308 35 463 419 243 -8.6*1 6.6e+13 7.1e+28 316 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/03 23:30:05 184 114 189 382 439 8.8 8.6e+15 1.5e+30 210 C2 C3 195 PHTX DST Java Movie UVCS
    2003/06/04 00:54:05 275 35 764 648 612 -19.5*1 4.8e+14 1.4e+30 275 C2 C3 195 PHTX DST Java Movie
    2003/06/04 01:54:05 288 62 632 519 479 -13.5 4.4e+14 8.9e+29 288 C2 C3 195 PHTX DST Java Movie
    2003/06/04 02:54:07 59 30 892 710 817 -19.5 5.6e+14 2.2e+30 63 C2 C3 195 PHTX DST Java Movie UVCS
    2003/06/04 07:31:39 253 36 752 646 493 -22.5*1 6.1e+14 1.7e+30 272 C2 C3 195 PHTX DST Java Movie
    2003/06/04 23:54:05 122 84 431 543 703 16.0*1 9.4e+14 8.8e+29 124 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/05 02:30:05 289 71 570 485 469 -8.6 1.1e+15 1.7e+30 276 C2 C3 195 PHTX DST Java Movie
    2003/06/05 08:06:05 54 18 569 544 510 -3.9*1 ---- ---- 54 C2 C3 195 PHTX DST Java Movie
    2003/06/05 14:30:05 271 25 252 247 220 -0.7*1 2.6e+14 8.4e+28 277 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/05 20:06:05 230 239 1458 1237 1378 -37.0 9.5e+15*2 1.0e+32*2 231 C2 C3 195 PHTX DST Java Movie Partial Halo
    2003/06/06 14:54:05 19 37 243 296 783 24.1*1 9.4e+13 2.8e+28 18 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2003/06/06 18:06:05 53 34 876 716 727 -23.4*1 5.4e+14 2.1e+30 62 C2 C3 195 PHTX DST Java Movie
    2003/06/06 21:30:05 137 38 288 301 380 3.0*1 4.0e+13 1.6e+28 140 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2003/06/06 23:54:05 354 102 770 740 756 -2.7 2.9e+15 8.5e+30 9 C2 C3 195 PHTX DST Java Movie
    2003/06/07 03:54:08 263 33 292 393 933 35.9*1 2.5e+14*2 1.1e+29*2 272 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2003/06/07 10:33:58 64 12 575 697 1370 75.2*1 ---- ---- 61 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2003/06/07 11:54:05 73 12 361 387 495 5.8*1 ---- ---- 70 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/07 14:06:05 73 19 580 665 867 21.4*1 ---- ---- 67 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/07 16:54:05 37 47 526 557 671 9.2*1 2.3e+14 3.2e+29 34 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/07 18:06:05 72 8 540 521 466 -4.1*1 ---- ---- 71 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/07 23:54:05 62 28 570 590 612 3.0*1 2.0e+14 3.3e+29 64 C2 C3 195 PHTX DST Java Movie
    2003/06/08 07:31:40 76 14 473 375 0 -24.7*1 ---- ---- 75 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/08 16:54:05 241 15 699 861 1167 49.1*1 ---- ---- 243 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2003/06/08 20:58:41 68 21 752 742 738 -1.6 2.0e+14 5.7e+29 63 C2 C3 195 PHTX DST Java Movie
    2003/06/08 21:30:08 180 23 369 324 0 -8.8*1 8.0e+13 5.4e+28 181 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/09 05:54:05 53 21 487 590 822 22.3*1 6.9e+13 8.2e+28 47 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/09 11:30:05 326 100 749 831 821 9.3 3.3e+15 9.3e+30 320 C2 C3 195 PHTX DST Java Movie
    2003/06/09 11:54:05 50 49 334 346 383 1.8*1 2.6e+14 1.4e+29 50 C2 C3 195 PHTX DST Java Movie
    2003/06/09 13:31:40 149 23 380 435 464 4.5*1 5.3e+13 3.8e+28 147 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/09 20:06:37 237 13 678 655 463 -12.0*1 ---- ---- 239 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2003/06/09 23:06:05 348 70 490 460 426 -3.9 1.8e+15 2.1e+30 339 C2 C3 195 PHTX DST Java Movie
    2003/06/10 00:30:05 172 19 399 339 0 -33.9*1 ---- ---- 170 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2003/06/10 00:54:06 110 59 730 705 672 -4.9 3.3e+14 8.9e+29 103 C2 C3 195 PHTX DST Java Movie
    2003/06/10 03:54:05 169 26 430 483 833 23.0*1 1.4e+14 1.3e+29 163 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2003/06/10 06:30:05 Halo (BA) 360 525 496 499 -2.7*1 9.5e+15*2 1.3e+31*2 151 C2 C3 195 PHTX DST Java Movie MailLog1; Poor Event
    2003/06/10 11:30:05 328 54 762 562 0 -87.0*1 6.2e+13*2 1.8e+29*2 318 C2 C3 195 PHTX DST Java Movie Newly inserted on 2006/06/21
    2003/06/13 16:30:57 288 67 346 386 411 6.0 1.1e+15 6.3e+29 312 C2 C3 195 PHTX DST Java Movie UVCS Only C3
    2003/06/13 17:54:05 155 24 267 193 0 -7.3*1 8.5e+14 3.0e+29 151 C2 C3 195 PHTX DST Java Movie Poor Event; Only C3
    2003/06/13 19:31:42 105 21 570 592 601 2.5 4.6e+14 7.5e+29 98 C2 C3 195 PHTX DST Java Movie
    2003/06/14 01:54:05 26 195 875 1009 963 16.0*1 4.4e+15*2 1.7e+31*2 12 C2 C3 195 PHTX DST Java Movie Partial Halo
    2003/06/14 03:54:08 107 32 371 300 0 -29.9*1 8.8e+13*2 6.0e+28*2 106 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/14 05:30:06 90 179 1215 1159 1182 -9.7 5.3e+15*2 3.9e+31*2 109 C2 C3 195 PHTX DST Java Movie Partial Halo
    2003/06/15 14:30:05 96 140 937 900 924 -3.9 5.4e+15*2 2.4e+31*2 106 C2 C3 195 PHTX DST Java Movie Partial Halo
    2003/06/15 21:30:09 65 63 501 565 688 12.4 1.8e+15 2.2e+30 63 C2 C3 195 PHTX DST Java Movie
    2003/06/15 23:54:05 Halo (OA) 360 2053 2049 2052 -0.9 1.0e+16*2 2.2e+32*2 84 C2 C3 195 PHTX DST Java Movie MailLog1
    2003/06/16 12:06:06 235 40 106 122 355 4.9*1 1.9e+14 1.1e+28 227 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2003/06/16 12:30:05 94 19 522 414 311 -12.3*1 ---- ---- 90 C2 C3 195 PHTX DST Java Movie
    2003/06/16 17:30:05 78 33 585 599 596 1.2*1 1.6e+15 2.8e+30 75 C2 C3 195 PHTX DST Java Movie
    2003/06/17 03:06:05 99 13 572 628 767 14.0*1 ---- ---- 100 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/17 23:18:14 Halo (OA) 360 1813 1800 1811 -2.9 1.7e+16*2 2.7e+32*2 117 C2 C3 195 PHTX DST Java Movie MailLog1; Only C3
    2003/06/18 02:54:05 276 80 356 367 446 3.4*1 1.3e+15 8.5e+29 278 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/18 10:54:05 279 85 307 257 0 -9.2*1 1.6e+15 7.3e+29 270 C2 C3 195 PHTX DST Java Movie
    2003/06/18 13:31:41 287 135 586 606 856 18.7*1 6.4e+15*2 1.1e+31*2 304 C2 C3 195 PHTX DST Java Movie Only 3 points; Only C2; Partial Halo
    2003/06/19 08:54:32 294 158 682 650 666 -2.7 6.7e+15*2 1.6e+31*2 334 C2 C3 195 PHTX DST Java Movie Partial Halo
    2003/06/19 16:30:05 50 50 267 297 479 7.4*1 8.9e+14 3.2e+29 40 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/20 10:54:05 26 37 527 652 1248 59.2*1 1.8e+14 2.4e+29 26 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2003/06/21 01:31:41 90 47 335 469 1334 76.8*1 1.9e+14*2 1.1e+29*2 104 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2003/06/21 06:54:05 23 33 468 391 0 -24.8*1 1.0e+14*2 1.1e+29*2 28 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2003/06/21 13:31:38 102 22 629 641 669 2.8*1 1.0e+14 2.0e+29 94 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/21 20:06:05 53 55 279 247 0 -5.7*1 3.8e+14 1.5e+29 52 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2003/06/21 21:30:10 323 20 348 327 191 -4.2*1 1.5e+14 8.8e+28 325 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/22 01:31:39 319 31 445 321 105 -14.0*1 5.3e+14 5.2e+29 317 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/22 02:30:05 105 21 400 357 0 -16.0*1 5.0e+13*2 4.0e+28*2 103 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2003/06/23 09:30:05 113 19 802 771 494 -21.5*1 ---- ---- 118 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/23 11:30:07 101 12 896 937 989 10.6*1 ---- ---- 101 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/06/23 12:30:05 257 46 663 693 686 3.2 1.7e+15 3.7e+30 258 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).