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Highly accreting quasars: a tool for cosmology?

Published online by Cambridge University Press:  23 June 2017

P. Marziani Open the ORCID record for P. Marziani [Opens in a new window] ,
C. A. Negrete ,
D. Dultzin ,
M. L. Martinez-Aldama ,
A. Del Olmo ,
D. Esparza ,
J. W. Sulentic ,
M. D'Onofrio ,
G. M. Stirpe  and
E. Bon
...Show all authors
P. Marziani
Affiliation:
INAF, Osservatorio Astronomico di Padova, Italy email: paola.marziani@oapd.inaf.it
C. A. Negrete
Affiliation:
Instituto de Astronomía, UNAM, Mexico
D. Dultzin
Affiliation:
Instituto de Astronomía, UNAM, Mexico
M. L. Martinez-Aldama
Affiliation:
IAA (CSIC), Granada, Spain
A. Del Olmo
Affiliation:
IAA (CSIC), Granada, Spain
D. Esparza
Affiliation:
Instituto de Astronomía, UNAM, Mexico
J. W. Sulentic
Affiliation:
IAA (CSIC), Granada, Spain
M. D'Onofrio
Affiliation:
Università di Padova, Italy
G. M. Stirpe
Affiliation:
INAF, Osservatorio Astronomico di Bologna, Italy
E. Bon
Affiliation:
Belgrade Observatory, Serbia
N. Bon
Affiliation:
Belgrade Observatory, Serbia
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Abstract

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Highly accreting quasars are possible cosmological probes, as their Eddington ratio is expected to saturate toward values of order unity. We present preliminary estimates of redshift- independent source luminosities and the Hubble diagram for quasars in the redshift range 0.1 ≲ z ≲ 2.6.

Keywords

quasars: generalquasars: emission linesline: profilescosmological parametersdistance scaledark matter
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S324: New Frontiers in Black Hole Astrophysics , September 2016 , pp. 245 - 246
Copyright
Copyright © International Astronomical Union 2017 

References

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