CME 20031026

Tutorials: UVCS CME Observations pdf / html
UVCS CME Catalog Pages html

Table 1 - General Information

CME ID
Time (UT)
PA (deg)
Speed (km/sec)
Acceleration (m/sec2)
Mass (g)
Type II RB
X Flare
20031026.175405.p235s
17:54
270
1537
4.8
2.0e+16*
No
Yes


Table 2 - UVCS Observation Sequence

FITS filename
PA (deg)
T i (UT)
Tf (UT)
Height (Rsun)
Slit W. (arcsec)
Exp. Time (sec)
d03.10.26.16:39:53.ovi.dat
245
17:33:31
20:33:31
2.00
13
600
d03.10.26.20:39:35.ovi.dat
246
20:40:56
02:40:56
2.40
20
600
s03.10.27.03:27:44.ovi.dat
270
03:28:38
03:42:38
3.00
41
120


03:45:58
04:09:58
2.50
41
120


04:13:35
04:27:35
2.10
41
120


04:31:00
04:41:00
1.90
41
120


04:43:40
04:51:40
1.75
41
120


04:53:45
04:57:45
1.60
41
120

UVCS Slit Position

MOVIE of UVCS Slit on LASCO Images


Table 3 - UVCS Observation Wavelength Range

FITS filename
Wave Min (A)
Wave Max (A)
d03.10.26.16:39:53.ovi.dat
1028.00
1043.00

997.200
1000.70

980.600
990.600

1211.10
1220.30

975.900
979.300

1221.50
1224.60
d03.10.26.20:39:35.ovi.dat
1028.00
1043.00

997.200
1000.70

980.600
990.600

1211.10
1220.30

975.900
979.300

1221.50
1224.60
s03.10.27.03:27:44.ovi.dat
1024.30
1042.80

967.500
979.700

1205.90
1217.00


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
2003/10/26 17:33 350 2.01, 2.46 (PA=245,246); 3.10,2.56,2.11,1.88,1.71 (PA=270) HILya1216
OVI1032
OVI1038

Images

Intensity Images

H I Lya 1216A intensity image at 2.46 R

H I Lya 1216A intensity image at 1.66 and 2.01R

H I Lya 1216A intensity image during the synoptic scan at PA=270. A narrow feature is detected.

O VI 1032A intensity image at 1.66 and 2.01R

UV spectra from 17:27 to 19:06 UT showing the evolution on the spectral lines as the CME passes through the UVCS slit. The high background is caused to the X-ray flare.


Interpretation

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

Comments

The spectra during the passage of the front are taken with 600sec exposure time.

Last Update Wed May 13 21:30:44 2009