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Structural Properties of Pulsating Star Light Curves Through Fuzzy Divisive Hierarchical Clustering

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Abstract

The aim of this paper is to explore the possibility of using a fuzzy divisive clustering technique to the classification of pulsating stars according to the shape of their light curves. The considered sample contains Cepheides, RR Lyrae stars, and high amplitude δ Scuti and SX Phoenicis stars. Our investigations proved the ability of this method to identify morphological groups in a given class of pulsating stars. The method is also useful for establishing the membership of an unknown variable star in a given class.

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Author notes

  1. Adina Dumitrescu

    Present address: LIA-ESI GEC, Université de Savoie, Domaine Scientifique Universitaire, 73376, Le Bourget du Lac, France

Authors and Affiliations

  1. Astronomical Observatory Cluj-Napoca, Astronomical Institute of the Romanian Academy, Str. Cireşilor 19, RO-3400, Cluj-Napoca, Romania

    Alexandru Pop

  2. Faculty of Mathematics and Computer Science, Babes-Bolyai University, RO-3400, Cluj-Napoca, Romania

    D. Dumitrescu

Authors
  1. Adina Dumitrescu
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  2. Alexandru Pop
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  3. D. Dumitrescu
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Dumitrescu, A., Pop, A. & Dumitrescu, D. Structural Properties of Pulsating Star Light Curves Through Fuzzy Divisive Hierarchical Clustering. Astrophysics and Space Science 250, 205–226 (1997). https://doi.org/10.1023/A:1000414722069

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