CME 19990728

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Table 1 - General Information

CME ID
Time (UT)
PA (deg)
Speed (km/sec)
Acceleration (m/sec2)
Mass (g)
Type II RB
X Flare
19990728.145405.p340g
14:54
328
569
-0.7*
1.4e+14
No
Yes


Table 2 - UVCS Observation Sequence

FITS filename
PA (deg)
T i (UT)
Tf (UT)
Height (Rsun)
Slit W. (arcsec)
Exp. Time (sec)
d99.07.28.16:20:22.ovi.dat
310
16:34:26
16:54:26
2.30
13
75


16:57:43
17:02:43
2.60
13
75


17:04:00
17:24:00
2.30
13
75


17:27:16
17:32:16
2.60
13
75


17:33:31
17:53:31
2.30
13
75


17:56:45
18:01:45
2.60
13
75


18:03:02
18:23:02
2.30
13
75


18:26:26
18:31:26
2.60
13
75
d99.07.28.18:32:09.ovi.dat
310
18:32:43
18:52:43
2.30
13
75


18:55:57
19:00:57
2.60
13
75


19:02:13
19:22:13
2.30
13
75

Table 3 - UVCS Observation Wavelength Range

FITS filename
Wave Min (A)
Wave Max (A)
d99.07.28.16:20:22.ovi.dat
1030.40
1039.20

997.500
1000.50

985.400
990.400

1212.10
1216.70

976.100
978.900

1222.70
1225.30
d99.07.28.18:32:09.ovi.dat
1030.40
1039.20

997.500
1000.50

985.400
990.400

1212.10
1216.70

976.100
978.900

1222.70
1225.30


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
1999/07/28 17:04 0 0 2.34 HILya1216

Images

Intensity Images

LyA intensity, background corona subtracted


Interpretation

Front No
Void No
Shock No
Current Sheet No
Prominence No
Flare O VI No
Leg ?
Helix No

Comments

The event was seen as appearance of narrow 'streamer' at PA~315. The brightening at PA~303 is from existing streamer and it brightened as the CME went out.

Last Update Fri Oct 10 17:00:31 2008