Long-Period Cepheids

Details Long-Period Cepheids Long-Period Cepheids

May 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...184.6306s&link_type=abstract

American Astronomical Society, 184th AAS Meeting, #63.06; Bulletin of the American Astronomical Society, Vol. 26, p.965

Astronomy and Astrophysics

Astronomy

Scientific paper

The controversy over the value of H0 may soon be settled when the refurbished Hubble Telescope looks at Cepheids in galaxies as distant as the Virgo cluster. Unfortunately, the bright, long-period Cepheids which will be most easy to observe at great distance have not been subject to very extensive thoeretical study. In the present investigation, we build hydrodynamic pulsation models for Cepheids with P > 13d and compare them with observed stars, particularly by the technique of Fourier decomposition. The strengths and weaknesses of the models are assessed and their implications for the Cepheid period- luminosity relation discussed.

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