A Comparison of ground-based Cepheid P-L Relations with HIPPARCOS Parallaxes

Details A Comparison of ground-based Cepheid P-L Relations with HIPPARCOS Parallaxes A Comparison of ground-based Cepheid P-L Relations with HIPPARCOS Parallaxes

1998-12-23

arxiv.org/abs/astro-ph/9812437v1

Astronomy and Astrophysics

Astrophysics

4 pages, 1 figure, LaTeX, paspconf.sty, to appear in Haguenau Colloquium "Harmonizing Cosmic Distance Scales in a Post-Hipparc

Scientific paper

The statistical test described by Wielen et al.(1994) is used to derive new zero-points of ground-based Cepheid period-luminosity (PL) and period-luminosity-colour (PLC) relations. Eleven relations are compared with the Hipparcos data. Our results argue for a typical increase of the adopted distance scale by about 8% +- 8%. Our zero-point for the PL relation of Caldwell & Laney (1991) is in agreement with that of Feast & Catchpole (1997).

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