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Title:
Periodicities in galaxy redshifts
Authors:
Croasdale, Martin R.
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 345, Oct. 1, 1989, p. 72-83. (ApJ Homepage)
Publication Date:
10/1989
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
COSMOLOGY, GALAXIES, RED SHIFT, MONTE CARLO METHOD, PERIODIC VARIATIONS
DOI:
10.1086/167882
Bibliographic Code:
1989ApJ...345...72C

Abstract

Using new data for unassociated galaxies with wide H I profiles and values of period and solar motion predicted by Tifft and Cocke (1984), a periodicity has been found which is significant at the conventional 5 percent level. Together with Tifft's work on galaxy pairs and small groups, this result appears to provide evidence in favor of the hypothesis that measured galaxy redshifts occur in steps of a little more than 72 km/s or a simple multiple of this period.

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