Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1973
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1973ap%26ss..22..153d&link_type=abstract
Astrophysics and Space Science, Volume 22, Issue 1, pp.153-163
Astronomy and Astrophysics
Astrophysics
4
Scientific paper
A technique for the analysis of photoelectrically scanned double star images is described. The method consists of comparing the Fourier transform of the double star profile with that of a single star profile imaged through the same telescope. If the measured profile of the double star image can be considered to be a linear superposition of two profiles, each identical in shape to the measured profile of a nearby single star, a comparison of the Fourier transforms of these profiles enables the parameters of the double star system to be determined. Certain features of the ratio of the moduli of the transforms yield both the separation and the magnitude difference between the components. A comparison of the phases of the transforms enables one to establish which of the two components is the brighter.
Dicks L. A.
van Rooyen E.
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