Radio pulsations associated with the solar flare of 1982 April 14

Details Radio pulsations associated with the solar flare of 1982 April 14 Radio pulsations associated with the solar flare of 1982 April 14

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984basi...12..263p&link_type=abstract

Astronomical Society of India, Bulletin, vol. 12, Sept. 1984, p. 263-268.

Astronomy and Astrophysics

Astronomy

Chromosphere, Radio Spectra, Solar Flares, Solar X-Rays, H Alpha Line, Sunspots, Type 3 Bursts, Type 4 Bursts

Scientific paper

H-alpha observations of the complex class-2B solar flare of April 14, 1982, obtained in 4-msec exposures with a 70-pm passband Halle filter on a 15-cm f/15 refractor at Uttar Pradesh State Observatory are presented graphically and analyzed. Dynamic spectra of the associated radio event measured at Culgoora and flux-time profiles of the microwave bursts from Toyokawa Observatory are shown for comparison. Radio pulsation, type IV continuum, type III burst storms, and soft-X-ray emissions are found to precede the H-alpha event, which is characterized by formation of two ribbons, the release of streams of nonthermal electrons from kernels, and inward electron flow producing remote brightenings at a distance of about 100,000 km by interaction with lower chromospheric layers during the declining phase of the flare.

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