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Title:
The extragalactic distance scale. VIII - A comparison of distance scales
Authors:
de Vaucouleurs, G.
Affiliation:
AA(Texas Univ., Austin)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 415, no. 1, p. 10-32. (ApJ Homepage)
Publication Date:
09/1993
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
ASTRONOMICAL CATALOGS, GALACTIC CLUSTERS, LOCAL GROUP (ASTRONOMY), SPIRAL GALAXIES, ASTROMETRY, DISTANCE, SCALING
DOI:
10.1086/173138
Bibliographic Code:
1993ApJ...415...10D

Abstract

A comparison is made between about 300 recent determinations of the distances to eight nearby galaxies, one group, and three clusters, made by different authors using new and improved methods and the distances adopted previously by proponents of the two competing extragalactic distance scales: the short scale and the long scale. It is found that there is a close agreement between the short-scale moduli and the new estimates at all distances from the Large Magellanic Cloud to the Coma Cluster, with the mean systematic difference Delta-distance modulus (short - others) being only -0.04 +/- 0.02 mag. There is little evidence for a progressive Malmquist bias in the short scale compared with all others over the whole distance modulus (DM) interval (MD between 18 and 35). The arguments still supporting the long scale and detracting from the short scale are reviewed.

Associated Articles

Part 1     Part  2     Part  3     Part  4     Part  5     Part  6     Part  7     Part  8     Part  9     Part 10    


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