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Light-time effect in RT Persei

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Abstract

The minimum time residuals (O−C) of RT Persei, obtained by using all the times of minima is interpreted in terms of light-time effect, caused by the presence of two more distant components. This system possesses a third body of a mass of about 0.74M ⊙ with 41.86 yr orbital period moving in an orbit of eccentricity equal to 0.3, while the hypothetical fourth body of an approximate mass of 0.59M ⊙ moving with an orbital period of 100 years has an eccentricity equal to 0.6. The need to study this system astrometrically should be emphasized.

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  1. Centre of Advanced Study in Astronomy, Osmania University, Hyderabad, India

    T. Panchatsaram

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  1. T. Panchatsaram
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Panchatsaram, T. Light-time effect in RT Persei. Astrophys Space Sci 77, 179–186 (1981). https://doi.org/10.1007/BF00648765

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  • DOI: https://doi.org/10.1007/BF00648765

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