Determination of stray light and sunspot intensities based on the observation during the solar eclipse of 30 June, 1973

Details Determination of stray light and sunspot intensities based on the observation during the solar eclipse of 30 June, 1973 Determination of stray light and sunspot intensities based on the observation during the solar eclipse of 30 June, 1973

Dec 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ap%26ss..52..357h&link_type=abstract

Astrophysics and Space Science, vol. 52, no. 2, Dec. 1977, p. 357-363.

Physics

Luminous Intensity, Solar Eclipses, Stellar Structure, Sunspots, Lunar Limb, Solar Physics, Stellar Models

Scientific paper

The usual method for correcting sunspot intensity measurements for stray light has been applied in the case of the partial solar eclipse of June 30, 1973, where a sunspot was partly obscured as well as the solar disk. In the first order, assuming a circular sunspot structure and neglecting scattering, the intensity at the center is calculated for wavelengths of 5300 A and 6070 A. The apparent and the true intensities obtained are, respectively, 0.120 + or - 0.015 and 0.083 + or - 0.008 for 5300 A, and 0.161 + or - 0.017 and 0.124 + or - 0.012 for 6070 A.

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