The ellipsoidal variables IV: Light variations |
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Authors: | Martin Beech |
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Institution: | (1) Southbarn, Collapit, Kingsbridge, Devon, UK |
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Abstract: | The V variations of ellipsoidal variables are investigated as a function of the spectral type of the primary. A model is developed on the assumption that the primary has near Main-Sequence characteristics. It is argued that the observed minimum in the V variations around spectral type F is real and is due to variations in the gravity-darkening exponent . The absolute upper limit to V variations is found to be 0.2 mag. |
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