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Photometry of yellow semi-regular variables: SS Gem

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Abstract

New photoelectric photometry of SS Gem is presented. The period analysis and light curve fits show that the formal period is the pulsation period and there is a strong first harmonic. The period variation of SS Gem is found to be similar to that of AC Her. It is argued that being a Population I object, SS Gem is not a low-mass star in the post-AGB phase but an intermediate-mass variable related to classical cepheids.

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Authors and Affiliations

  1. Konkoly Observatory, Budapest, Hungary

    E. Zsoldos

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  1. E. Zsoldos
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Zsoldos, E. Photometry of yellow semi-regular variables: SS Gem. Astrophys Space Sci 181, 203–210 (1991). https://doi.org/10.1007/BF00639089

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  • DOI: https://doi.org/10.1007/BF00639089

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