Steps toward the Hubble constant. IX. The cosmic value of H(0) freed from all local velocity anomalies
Journal Article
·
· Astrophysical Journal; (USA)
- Observatories of the Carnegie Institution, Pasadena, CA (USA) Basel Universitaet, Binningen (Switzerland) European Southern Observatory, Garching (Germany, F.R.)
Three independent methods are used here to bring the remote velocity frame to the Virgo Cluster distance, allowing a determination of the velocity which the Virgo Cluster would have if it were freed from all local anomalies relative to the cosmological Machian frame. The resulting velocity of Virgo is 1144 + or - 18 km/s. The distance to the Virgo Cluster core is determined and combined with the cosmic Virgo velocity to obtain a Hubble constant of unprecedented accuracy, H(0) = 52 + or - 2 km/s/Mpc. The infall velocity of the Local Group toward Virgo is calculated to be 168 + or - 50 km/s. 144 refs.
- OSTI ID:
- 6257440
- Journal Information:
- Astrophysical Journal; (USA), Journal Name: Astrophysical Journal; (USA) Vol. 365; ISSN ASJOA; ISSN 0004-637X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640105* -- Astrophysics & Cosmology-- Galaxies
640106 -- Astrophysics & Cosmology-- Cosmology
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BASIC INTERACTIONS
CALCULATION METHODS
COSMOLOGY
DISTANCE
DISTRIBUTION
GALAXIES
GALAXY CLUSTERS
GRAVITATIONAL INTERACTIONS
HUBBLE EFFECT
INTERACTIONS
INTERSTELLAR SPACE
NEBULAE
PLANETARY NEBULAE
RED SHIFT
SPACE
SPATIAL DISTRIBUTION
VELOCITY
640106 -- Astrophysics & Cosmology-- Cosmology
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BASIC INTERACTIONS
CALCULATION METHODS
COSMOLOGY
DISTANCE
DISTRIBUTION
GALAXIES
GALAXY CLUSTERS
GRAVITATIONAL INTERACTIONS
HUBBLE EFFECT
INTERACTIONS
INTERSTELLAR SPACE
NEBULAE
PLANETARY NEBULAE
RED SHIFT
SPACE
SPATIAL DISTRIBUTION
VELOCITY