A method for deriving radial brightness distributions from eclipse observations

Details A method for deriving radial brightness distributions from eclipse observations A method for deriving radial brightness distributions from eclipse observations

May 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...198..219h&link_type=abstract

Astrophysical Journal, vol. 198, May 15, 1975, pt. 1, p. 219-222

Astronomy and Astrophysics

Astronomy

4

Brightness Temperature, Eclipsing Binary Stars, Light Curve, Solar Eclipses, Cross Sections, Radio Astronomy

Scientific paper

A method for calculating the radial brightness distribution of an eclipsed object by using the slope of the eclipse curve is presented. It is shown that the brightness temperature of a circularly symmetric eclipsed object is related to the slope of the eclipse curve and to the rate of change of the eclipsed area; the rate of change of the eclipsed area may be expressed simply in terms of the sine of a polar angle. The method is applicable to any eclipsing objects with a circular cross section. It is particularly useful in the case of radio observations of a solar eclipse.

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