Large-scale solar motions as determined by Doppler shift measurements using a linear photodiode array

Bibcode
1981A&A....93...67P
Perez Garde, M.; Vazquez, M.; Schwan, H.; Woehl, H.
Bibliographical reference

Astronomy and Astrophysics, vol. 93, no. 1-2, Jan. 1981, p. 67-70. Research supported by the Deutsche Forschungsgemeinschaft.

Advertised on:
1
1981
Journal
Astronomy and Astrophysics
Number of authors
4
IAC number of authors
2
Citations
38
Refereed citations
38
Description
Doppler shifts of the solar Fe line 630.15 nm relative to the terrestrial O2 line 630.2 nm were determined at many positions on the solar disk to investigate the rotation of the solar plasma and locate large-scale plasma motions. The spectrum was measured by a self-scanning linear photodiode array with 128 diodes; and average rotation velocity of (2.881 plus or minus 0.027) microrad/s was found at the solar equator in September 1978, and large-scale velocity pattern occurred between plus 40 and minus 30 deg in latitude with a period of 45 deg in longitude during Sept. 6 to 13, 1978.
Type
Refereed
Solar rotation

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