Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ap%26ss..77..197r&link_type=abstract
Astrophysics and Space Science, vol. 77, no. 1, June 1981, p. 197-199.
Astronomy and Astrophysics
Astrophysics
4
Eclipsing Binary Stars, Electrophotometry, Light Curve, Stellar Models, Stellar Spectra, Stellar Spectrophotometry, Limb Darkening, Main Sequence Stars, Mass Ratios, Stellar Mass, Stellar Temperature
Scientific paper
The only existing photoelectric light curve of AI Cru is reanalyzed using the Wilson and Devinney (1971) direct method of solution. It is found that the system is a semi-detached system of spectral type (B5 V + B8 V), with a mass ratio q = 0.6. It is pointed out that this solution differs somewhat from that obtained by Giuricin et al. (1980) using Wood's (1972) method but seems more realistic because of the smaller value of q and the reduced temperature difference between the components, which amounts to approximately 3300 K. A curve showing the fitting of the observed normal points of AI Cru to the synthetic light curve is included, as is a table giving the photometric elements of AI Cru.
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