The eruptive prominence of June 8, 1974

Details The eruptive prominence of June 8, 1974 The eruptive prominence of June 8, 1974

May 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976soph...48..137e&link_type=abstract

Solar Physics, vol. 48, May 1976, p. 137-148.

Physics

24

H Alpha Line, Photosphere, Solar Limb, Solar Prominences, Acceleration (Physics), Astronomical Photography, Energy Storage, Field Aligned Currents, Filaments, Filtergrams, Gravitational Effects, Solar Corona, Solar Spectra, Vertical Motion

Scientific paper

Filtergrams and spectra of a disparition brusque are discussed. The total mass of the prominence prior to eruption is estimated to be roughly 2 times 10 to the 15th grams. A prominence had erupted 4.5 days earlier from the same active region. The eruptive prominence which we observed formed some 110,000 km above the photosphere. In the later phase of the eruption the outward acceleration approached the acceleration due to gravity at the same height. Down falling material along vertical structures was observed with velocities exceeding 100 km/sec. The vertical structures became twisted during the eruption indicating a field aligned current of approximately 10 billion amperes.

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