A photometric study of the eclipsing binary RX Hercules

Details A photometric study of the eclipsing binary RX Hercules A photometric study of the eclipsing binary RX Hercules

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26as...42..285j&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 42, Dec. 1980, p. 285-288. NASA-supported research.

Astronomy and Astrophysics

Astrophysics

12

Eclipsing Binary Stars, Electrophotometry, Light Curve, A Stars, B Stars, Computer Techniques

Scientific paper

A new photoelectric light curve of RX Hercules, a binary system with similar components, has been analyzed using Wood's computer model. RX Her, using Popper's spectroscopic mass ratio of q = 0.8472, turned out to be composed of a dimmer AO component and a larger B9.5 component. This detached system, upon analysis of the residuals in secondary minimum, shows some asymmetry during ingress which then disappears just before secondary minimum. The eccentricity e = 0.022 determined in this study is a little larger than previously published values of e = 0.018. In combination with the spectroscopic analysis of Popper, and ubvy data of Olson and Hill and Hilditch new photometric elements for RX Her were found.

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