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The Hubble diagram for Seyfert galaxies and related objects

Published online by Cambridge University Press:  12 April 2016

Edward Ye. Khachikian  and
Daniel W. Weedman
Edward Ye. Khachikian
Affiliation:
Byurakan Astrophysical Observatory, Byurakan, Armenia, USSR
Daniel W. Weedman
Affiliation:
Dyer Observatory, Vanderbllt University, Nashville, Tenn., USA

Extract

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Nous présentons les diagrammes magnitude-décalage spectral et diamètre angulaire-décalage spectral pour les galaxies de Sey-fert. Tous deux montrent des corrélations indiquant que les décalages vers le rouge sont cosmologiques. Les luminosités des noyaux des Seyfert de classe I sont comparées â celles des QSO en utilisant des nouvelles mesures de flux de raies en émission. La continuité des luminosités, bien établie, avec des galaxies de Seyfert couvrant un intervalle de luminosité plus grand que les QSO est une indication que les décalages vers le rouge des QSO sont aussi de nature cosmologique.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 37: Décalages vers le rouge et Expansion de l’Univers , 1977 , pp. 411 - 426
Copyright
Copyright © Editions du CNRS 1977

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