Partial analysis of the flare-prominence of 30 April 1974

Details Partial analysis of the flare-prominence of 30 April 1974 Partial analysis of the flare-prominence of 30 April 1974

Sep 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975soph...44..117w&link_type=abstract

Solar Physics, vol. 44, Sept. 1975, p. 117-133.

Physics

10

Solar Corona, Solar Flares, Solar Limb, Stellar Mass Ejection, Density Distribution, Energy Dissipation, H Alpha Line, Temperature Distribution, Time Dependence, Topology

Scientific paper

A portion of an east limb flare-prominence observed in H-alpha light is analyzed. Following rapid achievement of a maximum mass-ejection velocity of about 375 km/s, the ascending prominence reached a height of at least 200,000 km. A one-dimensional time-dependent hydrodynamic theory is used to compute the total mass and energy ejected during this part of the event. Theoretical aspects of the coronal response are discussed. It is concluded that a moderate temperature and density pulse (factors of ten and two, respectively) for a duration of only 3 min is sufficient for an acceptable simulation of the H-alpha observations and the likely coronal response to the ascending prominence and flare-related ejections.

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