The white-light and emission corona on July 31, 1981

Details The white-light and emission corona on July 31, 1981 The white-light and emission corona on July 31, 1981

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984baicz..35..347r&link_type=abstract

Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 35, no. 6, 1984, p. 347-353. Research supported by th

Astronomy and Astrophysics

Astronomy

3

Optical Emission Spectroscopy, Solar Corona, Solar Eclipses, Stellar Structure, Visible Spectrum, Coronagraphs, Coronal Loops, Photosphere, Solar Activity, Solar Prominences, Sunspots

Scientific paper

The solar white-light and emission corona during the total eclipse of July 31, 1981, is characterized on the basis of field observations obtained at Tarma, USSR, using a modified version of the instrument described by Rusin and Sykora (1981) and Lyot-coronograph observations obtained at Lomnicky Stit. The data are presented in photographs, diagrams, graphs, and tables and discussed. Features noted include: four types of coronal structures (polar holes, large streamers, loops and arches, and polar rays); eclipse-day prominence activity at PA 90, 177, and 270 deg; and fluctuations in the height intensity profiles of the 530.3-nm and 637.4-nm emission lines.

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