Effects of [Fe/H] on the properties of Galactic classical Cepheids

Bibcode
2010JPhCS.218a2025K
DOI
10.1088/1742-6596/218/1/012025
Klagyivik, P.; Szabados, László
Bibliographical reference

Journal of Physics: Conference Series, Volume 218, Issue 1, id. 012025 (2010).

Advertised on:
3
2010
Number of authors
2
IAC number of authors
0
Citations
0
Refereed citations
0
Description
Correlations have been searched for between the atmospheric [Fe/H] value and the observed amplitudes of classical Cepheids. Model calculations show that fundamental mode pulsation is unstable for solar like chemical composition between 8 and 10 days, but observations contradict the models. The ratio of the radial velocity and photometric amplitudes, AVRAD/AB, shows a mild metallicity dependence.
Type
Refereed

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