Kinematics of solar prominences

Details Kinematics of solar prominences Kinematics of solar prominences

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983soph...87..261b&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 87, Sept. 1983, p. 261-269.

Physics

5

Solar Prominences, Solar Velocity, Kinematics, Radial Velocity, Solar Flares, Three Dimensional Motion, Trajectory Analysis

Scientific paper

Using a 16-mm film recorded with a 15-inch coronagraph, the motions of three solar prominences are studied from the kinematic point of view. Three methods proposed earlier are applied to three prominences in the film, and a new method based on geometrical considerations is introduced. It is concluded that the method of Billings and Pecker (1954) does not yield reliable values of radial velocities for the prominences and the results obtained by the method of Makhmudov et al. (1980) do not agree with the observations. The Palus (1972) method using the best fit of a spiral to the falling trajectory of the knots gives a good fit, with a good mean global dispersion, for a hyperbolic spiral in 77 percent of the cases. The geometrical method, based in part on Palus's method, provides 80 percent reliable values for radial velocities.

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