Mass flow in loop type coronal transients

Details Mass flow in loop type coronal transients Mass flow in loop type coronal transients

Feb 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979soph...61...95a&link_type=abstract

Solar Physics, vol. 61, Feb. 1979, p. 95-113.

Physics

13

Mass Flow, Solar Corona, Solar Prominences, Graphs (Charts), Mass Distribution, Solar Physics

Scientific paper

Coronal transients having characteristics of a well-defined loop structure are examined, particularly with respect to temporal changes in the density and mass per unit length along the loop over periods of several days after the initial eruption. Measurements of mass distributions as a function of time are presented for eight transients, and one particular transient with a fairly simple configuration is investigated in more detail. Theoretical calculations are combined with the masses and densities derived from the observations to obtain estimates of the material flow in the transients; this flow is modeled on the assumption that magnetic forces drive and confine the loop. The flow field is found to be diverging everywhere, indicating that the density decreases in time. It is inferred that the transient legs are approximately in hydrostatic equilibrium and that most of the mass of the transient is lost from the sun during the initial phase.

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