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Yohkoh BCS oscillations

A list of doppler shift oscillations in flares observed with the Bragg Crystal Spectrometer on board Yohkoh was compiled by John T. Mariska in 2006. The oscillations were observed using the S xv and Ca xix lines. See the article in full here.


 Event Date Time Start
Flare Class
Period(s) Observed
14 July 2000
00:41:45 UT
M1.5
6.5 mins
25 October 1999
06:36:18 UT
M1.7
9.6 mins, 9.1 mins
27 February 1994
09:11:09 UT
M2.8
4.5 mins
26 September 1993
10:22:47 UT
C3.4
6.5 mins, 15 mins
15 April 1993 09:08:36 UT
C1.2
8 mins, 7.6 mins
1 February 1993
10:07:38 UT
C6.9
4 mins, 3.7 mins
5 November 1992
06:24:08 UT
M2.0
6.8 mins, 8.5 mins
27 October 1992
22:14:55 UT
C5.4
6.5 mins, 5 mins
12 October 1992
21:50:44 UT
C2.5
3.9 mins, 3.6 mins
24 August 1992
01:12:48 UT C2.2
2.1 mins
17 July 1992
22:36:31 UT
C5.3
3 mins, 3.6 mins
4 July 1992
22:49:16 UT
C6.9 9.4 mins, 10.8 mins
27 May 1992 14:37:53 UT
C7.1
2.5 mins, 2.8 mins
20 April 1992 06:33:25 UT
C3.6
3.2 mins
19 April 1992
02:11:32 UT
C3.9
2.9 mins, 3.9 mins
16 March 1992
06:06:15 UT
C5.8
4.8 mins, 4.4 mins
26 February 1992
01:35:57 UT
M1.3
2.5 mins, 3.3 mins
15 January 1992
08:59:21 UT
C5.0
4.5 mins, 5.7 mins
21 October 1991
02:47:34 UT
C4.3
6.3 mins, 5.4 mins
7 October 1991
10:16:57 UT
C9.9 4.2 mins, 4.9 mins