A Hubble Diagram for Quasars

The cosmological model is at present not tested between the redshift of the farthest observed supernovae (z ~ 1.4) and that of the Cosmic Microwave Background (z ~ 1,100). Here we introduce a new method to measure the cosmological parameters: we show that quasars can be used as “standard candles” by...

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Bibliographic Details
Main Authors: Susanna Bisogni, Guido Risaliti, Elisabeta Lusso
Format: Article
Language:English
Published: Frontiers Media S.A. 2018-01-01
Series:Frontiers in Astronomy and Space Sciences
Subjects:
Online Access:http://journal.frontiersin.org/article/10.3389/fspas.2017.00068/full