Expansion of an X-ray coronal arch into the outer corona

Details Expansion of an X-ray coronal arch into the outer corona Expansion of an X-ray coronal arch into the outer corona

Jun 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976soph...48..381r&link_type=abstract

Solar Physics, vol. 48, June 1976, p. 381-387.

Astronomy and Astrophysics

Astronomy

75

Coronagraphs, Solar Corona, Solar X-Rays, Stellar Mass Ejection, X Ray Astronomy, Astronomical Photography, Solar Wind, X Ray Telescopes

Scientific paper

An asymmetric expanding arch photographed in the inner corona with an X-ray telescope on August 13, 1973, is identified as the source of the mass ejected in a white-light transient in the outer corona. The morphology, angular position, estimated mass, and apparent rate of upward acceleration of the lower coronal arch are similar to those of the arch seen passing through the outer corona. The mass of material removed from the lower corona is estimated to be 2 by 10 to the 15th power g, and the upward motion is consistent with a constant acceleration of 12.5 m/sec per sec between 1.3 and 5 solar radii.

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