Journal ArticleDOI
Mass-to-light ratios for elliptical galaxies.
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This article is published in The Astronomical Journal.The article was published on 1980-07-01. It has received 189 citations till now. The article focuses on the topics: Elliptical galaxy.read more
Citations
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Journal ArticleDOI
Final Results from the Hubble Space Telescope Key Project to Measure the Hubble Constant
Wendy L. Freedman,Barry F. Madore,Barry F. Madore,Brad K. Gibson,Laura Ferrarese,Daniel D. Kelson,Shoko Sakai,Jeremy Mould,Robert C. Kennicutt,Holland C. Ford,John A. Graham,John P. Huchra,Shaun M. G. Hughes,Garth D. Illingworth,Lucas M. Macri,Peter B. Stetson +15 more
TL;DR: In this paper, the final results of the Hubble Space Telescope (HST) Key Project to measure the Hubble constant are presented, and the results are based on a Cepheid calibration of several secondary distance methods applied over the range of about 60-400 Mpc.
Journal ArticleDOI
Final Results from the Hubble Space Telescope Key Project to Measure the Hubble Constant
Wendy L. Freedman,Barry F. Madore,Barry F. Madore,Brad K. Gibson,Laura Ferrarese,Daniel D. Kelson,Shoko Sakai,Jeremy Mould,Robert C. Kennicutt,Holland C. Ford,John A. Graham,John P. Huchra,Shaun M. G. Hughes,Garth D. Illingworth,Lucas M. Macri,Peter B. Stetson +15 more
TL;DR: In this article, the final results of the Hubble Space Telescope Key Project to measure the Hubble constant are presented, and the implications of these results for cosmology are discussed and compared with other, global methods for measuring the Hubble constants.
Journal ArticleDOI
The HST Key Project on the Extragalactic Distance Scale. XXVIII. Combining the Constraints on the Hubble Constant
Jeremy Mould,John P. Huchra,Wendy L. Freedman,Robert C. Kennicutt,Laura Ferrarese,Holland C. Ford,Brad K. Gibson,John A. Graham,Shaun M. G. Hughes,Garth D. Illingworth,Daniel D. Kelson,Lucas M. Macri,Barry F. Madore,Shoko Sakai,Kim Sebo,Nancy A. Silbermann,Peter B. Stetson +16 more
TL;DR: In this paper, a model of the velocity field was used to estimate the value of the Hubble constant within the range of the Tully-Fisher relation and its uncertainty, and the result is H_0 = 71 +/- 6 km/sec/Mpc. The largest contributor to this 67% confidence level result is the distance of the Large Magellanic Cloud, which has been assumed to be 50 +/- 3 kpc.
Journal ArticleDOI
The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXVIII. Combining the Constraints on the Hubble Constant
Jeremy Mould,John P. Huchra,Wendy L. Freedman,Robert C. Kennicutt,Laura Ferrarese,Holland C. Ford,Brad K. Gibson,John A. Graham,Shaun M. G. Hughes,Garth D. Illingworth,Daniel D. Kelson,Lucas M. Macri,Barry F. Madore,Shoko Sakai,Kim Sebo,Nancy A. Silbermann,Peter B. Stetson +16 more
TL;DR: In this paper, the Tully-fisher relation, the fundamental plane of elliptical galaxies, Type Ia supernovae, and surface brightness fluctuations are combined with a model of the velocity field to yield the best available estimate of the value of H0 within the range of these secondary distance indicators and its uncertainty.
Journal ArticleDOI
The density and peculiar velocity fields of nearby galaxies
TL;DR: In this article, the authors review the quantitative science that can be and has been done with redshift and peculiar velocity surveys of galaxies in the nearby universe, and discuss in some detail the various quantitative cosmological tests that can also be carried out with the redshift data.
References
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Journal ArticleDOI
The Luminosity function and stellar evolution
TL;DR: In this paper, the evolutionary significance of the observed luminosity function for main-sequence stars in the solar neighborhood is discussed and it is shown that stars move off the main sequence after burning about 10 per cent of their hydrogen mass and that stars have been created at a uniform rate in a solar neighborhood for the last five billion years.
Book
Gravitation and Cosmology: Principles and Applications of the General Theory of Relativity
TL;DR: In this paper, the General Theory of Relativity and Feneral Relativity are discussed, as well as applications of feneral relativity in cosmology and cosmology.
Journal ArticleDOI
GROSS PROPERTIES OF FIVE Scd GALAXIES AS DETERMINED FROM 21-CENTIMETER OBSERVATIONS.
D. H. Rogstad,G. S. Shostak +1 more
TL;DR: In this paper, the authors found that about 80% of the observable HI lies within the boundary defined by the Holmberg diameter for each galaxy, and that the ratio of the HI mass to the total mass contained within this same boundary has a mean value of about 0.11.
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