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Proceedings of the International Astronomical Union Proceedings of the International Astronomical Union

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Highly accreting quasars: a tool for cosmology?

Published online by Cambridge University Press:  23 June 2017

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 ,
E. Bon  and
N. Bon
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
Corresponding
E-mail address:
paola.marziani@oapd.inaf.it
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Abstract

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: general quasars: emission lines line: profiles cosmological parameters distance scale dark 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

Ade, P. A. R., Planck collaboration 2016, A&Ap, 594, 13 Google Scholar
Faber, S. M. & Jackson, R. E. 1976, ApJ, 204, 668 CrossRefGoogle Scholar
Marziani, P. & Sulentic, J. W. 2014, MNRAS, 442, 1211 CrossRefGoogle Scholar
Marziani, P. & Sulentic, J. W. 2014a, Adv. Spa. Res., 54, 1331 CrossRefGoogle Scholar
Wang, J.-M., Du, P., Valls-Gabaud, D., Hu, C., & Netzer, H. 2013, Phys. Rev. Lett., 110, 081301 CrossRefGoogle Scholar

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