Observations of the magnetic and velocity fields of two solar flares

Details Observations of the magnetic and velocity fields of two solar flares Observations of the magnetic and velocity fields of two solar flares

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989cha%26a..13...26l&link_type=abstract

Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 13, March 1989, p. 26-34. Translation.

Astronomy and Astrophysics

Astrophysics

Magnetic Field Configurations, Solar Flares, Solar Magnetic Field, H Beta Line, Iron, Magnetic Flux, Plasma Pinch, Sunspots, Velocity Distribution

Scientific paper

A CCD imaging system on a solar magnetic telescope was used to obtain two-dimensional, real time, fine-detailed magnetic and velocity field pictures of the two sunspot groups associated with two flares. It is found that mutual penetration of opposite polarity regions exists generally and bright cores of flares all occur at front of mutual squeezing between such regions. This provides a strong support for the squeezing force-free field model of flares. In regions where flares occur, the direction of the flow field is downward.

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