The velocity field and X-ray spectrum of the flare of 1981 May 13

Details The velocity field and X-ray spectrum of the flare of 1981 May 13 The velocity field and X-ray spectrum of the flare of 1981 May 13

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989acasn..30...61l&link_type=abstract

(Acta Astronomica Sinica, vol. 30, no. 1, 1989, p. 61-69) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 13, Dec. 198

Astronomy and Astrophysics

Astrophysics

H Alpha Line, Solar Flares, Solar Magnetic Field, Solar X-Rays, Velocity Distribution, X Ray Spectra, Lines Of Force, Solar Prominences, Solar Spectra, Spectroheliographs

Scientific paper

The H-alpha velocity field at 0516 UT during the eruption of the X1.5/3B flare in the active region E58 N11 (Boulder 3106) on May 13, 1981, obtained with the horizontal solar spectrograph of Yunnan Observatory, is given. A comparative analysis of the velocity field with the magnetic field shows that the velocity field is related to the gradient and neutral line of the magnetic field. The neutral line of the magnetic field basically matches the zero velocity line between the two bright ribbons.

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