Abstract
Factors contributing to the scatter around the ridge-line period-luminosity relationship are listed, followed by a discussion how to eliminate the adverse effects of these factors (mode of pulsation, crossing number, temperature range, reddening, binarity, metallicity, non-linearity of the relationship, blending), in order to reduce the dispersion of the P-L relationship.
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This research has been supported by the ESA PECS 98090 project. Constructive remarks by the referee are gratefully acknowledged.
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Szabados, L., Klagyivik, P. Problems and possibilities in fine-tuning of the Cepheid P-L relationship. Astrophys Space Sci 341, 99–104 (2012). https://doi.org/10.1007/s10509-012-0988-7
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DOI: https://doi.org/10.1007/s10509-012-0988-7