Photoelectric elements of AR Lacertae

Details Photoelectric elements of AR Lacertae Photoelectric elements of AR Lacertae

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ap%26ss..78..123s&link_type=abstract

Astrophysics and Space Science, vol. 78, no. 1, Aug. 1981, p. 123-140.

Astronomy and Astrophysics

Astrophysics

15

Electrophotometry, Light Curve, Stellar Luminosity, Stellar Spectrophotometry, Variable Stars, Interstellar Extinction, Main Sequence Stars, Periodic Variations, Roche Limit, Stellar Magnitude

Scientific paper

Geometrical elements of the system AR Lacertae are obtained and the system's color is discussed. The absolute dimensions are obtained on the basis of the spectroscopic elements given by Sanford (1951). It is found that the primary component lies fairly close to the Main Sequence on the log m-log R plot and that the secondary falls away from the Main Sequence. The values of the Roche constants are thought to suggest that AR Lacertae is a detached system.

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