Giant H II regions and the quest for the Hubble constant

Details Giant H II regions and the quest for the Hubble constant Giant H II regions and the quest for the Hubble constant

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987msngr..47....4m&link_type=abstract

ESO Messenger (ISSN 0722-6691), March 1987, p. 4-7.

Astronomy and Astrophysics

Astronomy

Cosmology, Hubble Constant, Hydrogen Clouds, Astrometry, Galactic Structure, Luminosity, Radial Velocity

Scientific paper

The controversy over the exact value of the Hubble constant is discussed. A method is presented which uses the properties of giant H II regions as distance indicators. It relies on the correlation between H-beta luminosity, the emission line-profile widths, and the oxygen abundances of giant H II regions. The Hubble constant is estimated to be 85 + or - 10 km/sec/Mpc.

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