The intractable W UMa system AE Phe - Light curve synthesis and mass-ratio problem

Details The intractable W UMa system AE Phe - Light curve synthesis and mass-ratio problem The intractable W UMa system AE Phe - Light curve synthesis and mass-ratio problem

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...247..399n&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 247, no. 2, July 1991, p. 399-404.

Astronomy and Astrophysics

Astrophysics

16

Binary Stars, Light Curve, Mass Ratios, Stellar Mass, Astronomical Spectroscopy, Eclipsing Binary Stars, Variable Stars

Scientific paper

Four B,V light curves of AE Phe observed between 1970-1978 were analyzed with the Wilson-Devinney code. Consistent system parameters were obtained; only the temperature difference undergoes small variations. An obvious discrepancy between the photometrically and spectroscopically determined mass-ratio, which also occurs in other totally eclipsing W UMa systems of all spectral types in a systematic way, may be due to the influence of a global circulation pattern on the measured radial velocities.

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