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A photometric study of the eclipsing binary RX Hercules (1980)

Jeffreys, K. W.

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Publication Date: 2011-08-18

Description: 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.

Keywords: ASTRONOMY

Type: Astronomy and Astrophysics Supplement Series; 42; Dec. 198

Format: text

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