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Discrepant Redshifts of QSOs in Clusters of Galaxies and a Close QSO Pair

Hazard, C. and Jauncey, D. L. and Sargent, W. L. W. and Baldwin, J. A. and Wampler, E. J. (1973) Discrepant Redshifts of QSOs in Clusters of Galaxies and a Close QSO Pair. Nature, 246 (5430). pp. 205-208. ISSN 0028-0836. https://resolver.caltech.edu/CaltechAUTHORS:20190507-145525186

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Abstract

Although it is the majority view that QSO redshifts are cosmological in origin and related to distance by Hubble's law, several workers have proposed that QSOs may be more local objects. The strongest direct evidence for the conventional view is provided by observations of a number of QSOs which have been shown to have redshifts (z) which agree to within about 1% with the redshifts of apparently associated clusters of galaxies. These QSO-cluster associations have all been found in searches restricted to QSOs with z < 0.36 since on the cosmological hypothesis it is only for such low values of z that the associated galaxies would be readily visible. But, as Burbidge and O'Dell have pointed out, by assuming at the outset that the redshifts are cosmological these investigations fail to test the non-cosmological hypothesis. For the past several years we have been attempting to carry out a study of QSOs in clusters or groups which would be free from this objection. Although our results are by no means complete, we present here some of our preliminary findings as they seem to be of relevance to the present controversy.


Item Type:Article
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https://doi.org/10.1038/246205a0DOIArticle
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Additional Information:© 1973 Nature Publishing Group. Received September 17, 1973. We thank those who have provided information prior to publication, N. Argue, R. Ekers, B. Fanaroff, H. Murdoch and M. Schmidt. This work is supported by grants from NATO and NASA. The NAIC is operated by Cornell University under contract to the National Science Foundation and D. L. J. is partially supported by an NSF grant.
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North Atlantic Treaty Organization (NATO)UNSPECIFIED
NASAUNSPECIFIED
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Issue or Number:5430
Record Number:CaltechAUTHORS:20190507-145525186
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190507-145525186
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:95315
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:07 May 2019 22:31
Last Modified:03 Oct 2019 21:12

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