Galactic and Extragalactic Distance Scales: The Variable Star Project

Details Galactic and Extragalactic Distance Scales: The Variable Star Project Galactic and Extragalactic Distance Scales: The Variable Star Project

2008-06-18

arxiv.org/abs/0806.3019v1

Astronomy and Astrophysics

Astrophysics

5 pages, For Proc. Middle-East Africa Regional IAU Meeting, Cairo 2008

Scientific paper

This paper summaries the status of a large project to improve distance scales of various classes of variable stars. This is being carried out by a large group in Cape Town, Japan, England and the USA. The results are illustrated by giving the distances of the Large Magellanic Cloud and the Galactic Centre (Ro) as well as the value of the Hubble Constant, Ho, based on our current results. The classes of variables considered are; Classical Cepheids, Type II Cepheids, RR Lyrae stars, O- and C-Miras

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