RS INDI - UBV light curves and period study

Details RS INDI - UBV light curves and period study RS INDI - UBV light curves and period study

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26as...68..351c&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 68, no. 3, March 1987, p. 351-355. Research supported by the

Mathematics

Logic

3

Eclipsing Binary Stars, Light Curve, Mass Transfer, Stellar Color, Ubv Spectra, Electrophotometry, Lagrangian Equilibrium Points, Stellar Luminosity

Scientific paper

Light and colour curves of the eclipsing binary system RS Indi obtained from 2484 UBV observations in each passband are presented. Eighteen times of minimum light are derived in each colour. The analysis of the period including previously determined photographic minima reveals that it is decreasing at a rate of 0.0185 s/yr. The secondary component is found to be an overluminous object. The overall picture of the system suggests that the more massive component is transferring matter to the secondary one through the inner Lagrangian point.

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