Recent satellite observations of the corona

Details Recent satellite observations of the corona Recent satellite observations of the corona

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980s%26t....60..102k&link_type=abstract

Sky and Telescope, vol. 60, Aug. 1980, p. 102, 103.

Astronomy and Astrophysics

Astronomy

Solar Activity, Solar Corona, Spaceborne Astronomy, Coronagraphs, Oso-7, Skylab Program, Solar Flares, Solar Spectra, X Ray Spectroscopy

Scientific paper

Observations of the solar corona by the DOD satellite P78-1 are discussed and compared with previous findings by OSO-7 and Skylab. The satellite carries a coronagraph and several other solar instruments, including X-ray spectrometers for analyzing the spectra of solar flares and for monochromatic imaging of X-ray emission from active regions. Computer analysis of the pictures obtained in a three-day span in May 1979 shows that many of the day-to-day changes in the streamers result from the rapid ejection of coronal matter, which disrupts the streamers and leaves gradually fading structures in their place. The findings of P78-1 as well as OSO-7 and Skylab seem to agree on a connection between eruptive prominences and coronal transients, but the exact nature of the association is not yet clear.

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