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Post-AGB stars as extragalactic candles

Published online by Cambridge University Press:  25 May 2016

Howard E. Bond
Howard E. Bond*
Affiliation:
Space Telescope Science Institute 3700 San Martin Dr., Baltimore, MD 21218 USA

Extract

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The extragalactic distance scale depends heavily on one primary distance indicator: Cepheid variables. Given the conflict between stellar ages and the age of the Universe implied by H0, it is worth checking the zero point with as many independent methods as possible.

Type
VIII. Planetary Nebulae in Extragalactic Systems
Information
Symposium - International Astronomical Union , Volume 180: Planetary Nebulae , 1997 , pp. 460 - 467
Copyright
Copyright © Kluwer 1997 

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