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RR trianguli australis: A new analysis of a semi-detached system of unusually small dimensions

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Abstract

RR TrA is an Algol-type eclipsing binary with a period of 0 d. 7131. The components are believed to be of spectral types B9 V and F0 IV. The analysis presented is based on previously unreduced observations made by Somerville in 1961–63. Orbital elements are obtained using the Wood model, and these indicate that the system is semi-detached, and that the eclipses are marginally complete. The components appear to be of unusually small size for their spectral classes. The solution presented is compared with earlier ones for this system obtained by Kwee and by Giuricin and Mardirossian, and similarities and differences between these solutions are noted.

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  1. Kutztown University, Kutztown, USA

    Carlson R. Chambliss

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  1. Carlson R. Chambliss
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Chambliss, C.R. RR trianguli australis: A new analysis of a semi-detached system of unusually small dimensions. Astrophys Space Sci 104, 205–217 (1984). https://doi.org/10.1007/BF00650296

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  • DOI: https://doi.org/10.1007/BF00650296

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