X class flares observed by Yohkoh
| Date |
tst |
ten |
duration (hr) |
class |
location |
region |
LASCO appearance |
SXR eruption |
highest energy (keV) |
protons |
| 6-NOV-97
[A] |
11:52:51 |
12:21:33 |
0.48 |
X9.4 |
S18W63 |
8100 |
width=135 deg |
Y |
>670 |
Y |
| 27-NOV-97
[B] |
13:13:36 | 13:24:57 | 0.19 | X2.6 |
N13E63 | 8113 | width=84 | Y |
394 | N |
| 23-APR-98 |
05:39:06 | 09:24:21 | 3.75 | X1.2 |
S21E106 | 8210 | Halo | Y |
143 | Y |
| 2-MAY-98
[C]
[D]
|
13:37:36 | 14:31:57 | 0.91 | X1.1 |
S15W15 | 8210 | Halo | ? |
191 | Y |
| 6-MAY-98
[E] |
07:44:00 | 09:32:18 | 1.81 | X2.7 |
S11W65 | 8210 | width=185 | Y |
341 | Y |
| 18-AUG-98 |
08:18:54 | 08:41:54 | 0.38 | X2.8 |
N34E90 | 8307 | N/A | Y |
174 | N |
| 18-AUG-98 |
22:14:18 | 23:40:51 | 1.43 | X4.9 |
N30E86 | 8307 | N/A | Y |
>670 | N |
| 28-NOV-98 |
05:38:57 | 07:49:00 | 2.17 | X3.3 |
N17E32 | 8395 | Partial Halo | Y |
191 | N |
| 28-AUG-99 |
17:55:21 | 19:58:54 | 2.06 | X1.1 |
S26W14 | 8674 | Partial Halo | Y |
143 | N |
| 27-NOV-99 |
12:09:09 | 13:30:12 | 1.35 | X1.4 |
S15W68 | 8771 | Narrow Loop | N |
128 | N |
| 5-FEB-00
[F] |
19:22:09 | 19:55:03 | 0.55 | X1.2 |
N26E52 | 8858 | Bright Loop Front | Y |
293 | N |
| 2-MAR-00
[G] |
08:24:15 | 08:46:30 | 0.37 | X1.1 |
S14W52 | 8882 | Bright Loop | Y |
394 | Y |
| 12-JUL-00 |
10:25:24 | 11:27:45 | 1.04 | X1.9 |
N17E27 | 9077 | Loops | Y |
229 | N |
| 14-JUL-00
[H]
[I]
[J] |
10:11:27 | 11:47:45 | 1.61 | X5.7 |
N22W07 | 9077 | Halo | Y |
>670 | Y |
| 30-SEP-00
[K] |
23:17:09 | 00:18:45 | 1.03 | X1.2 |
N07W91 | 9169 | No CME | N |
451 | N |
| 24-NOV-00
[L]
[J] |
15:04:06 | 15:44:51 | 0.68 | X2.3 |
N22W07 | 9236 | Halo | Y |
>670 | Y |
| 24-NOV-00
[L] |
21:52:30 | 22:52:15 | 1.00 | X1.8 |
N21W14 | 9236 | Halo | Y |
174 | N |
| 25-NOV-00
[L] |
18:37:57 | 19:24:21 | 0.77 | X1.9 |
N20W23 | 9236 | Halo | Y |
317 | N |
| 26-NOV-00
[L] |
16:39:30 | 17:32:33 | 0.88 | X4.0 |
N18W38 | 9236 | Halo | Y |
317 | ? |
| 6-APR-01 |
19:14:36 | 20:06:42 | 0.87 | X5.6 |
S20E34 | 9415 | Halo | Y |
451 | N |
| 12-APR-01
[M] |
10:16:21 | 11:45:21 | 1.48 | X2.0 |
S21W47 | 9415 | Halo | Y |
229 | Y |
| 15-APR-01 |
13:45:24 | 14:32:06 | 0.77 | X14. |
S20W85 | 9415 | Halo | Y |
>670 | Y |
| 23-JUN-01 |
04:06:36 | 04:32:12 | 0.43 | X1.2 |
N10E23 | 9511 | No CME | N |
158 | N |