Explosive hydrogen-burning model of solar flares

Details Explosive hydrogen-burning model of solar flares Explosive hydrogen-burning model of solar flares

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.172..315m&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 172, no. 2, Oct. 1990, p. 315, 316.

Astronomy and Astrophysics

Astrophysics

1

Hydrogen, Nuclear Astrophysics, Solar Flares, Sunspots, Magnetohydrodynamic Waves, Shock Waves, Solar Magnetic Field, Wave Generation

Scientific paper

A solar-flare model is proposed, based on the 'explosive burning' concept of Wallace and Woosely (1981), which takes into account the high temperature (10 to the 9th K) produced by the shock wave generated by the hydromagnetic wave at the junction of the sunspot and the area outside it. According to this model, the increase of the magnetic field during the formation of a large sunspot, triggers the formation of hydrodynamic shock waves around the spot, and, due to the heat produced by the shock, brighter regions (i.e., faculae) will be formed around the dark sunspot. The same process takes place when the magnetic field intensity dies down after the disappearance of the sunspot.

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