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Light curve analysis for RY Tau

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Abstract

We have analyzed a master light curve of the classical T Tauri star RY Tau. The brightness variations observed in 1983–2004 were found to be periodic. A period of 377 ± 10 d is derived using a frequency analysis. A statistical analysis shows that the brightness variability cannot be described by a normal distribution. The brightness variations could be due to the presence of some bodies being formed in the circumstellar environment.

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Authors and Affiliations

  1. Baku State University, Baku, Azerbaidzhan

    N. Z. Ismailov & A. N. Adygezalzade

  2. Tusi Astrophysical Observatory, Shamakhy, Azerbaidzhan National Academy of Sciences, Baku, Azerbaidzhan

    N. Z. Ismailov

Authors
  1. N. Z. Ismailov
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  2. A. N. Adygezalzade
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Correspondence to N. Z. Ismailov.

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Original Russian Text © N.Z. Ismailov, A.N. Adygezalzade, 2012, published in Astronomicheskii Zhurnal, 2012, Vol. 89, No. 2, pp. 157–164.

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Ismailov, N.Z., Adygezalzade, A.N. Light curve analysis for RY Tau. Astron. Rep. 56, 131–137 (2012). https://doi.org/10.1134/S1063772912020023

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