Extreme Quasars as Distance Indicators in Cosmology

Extreme Quasars as Distance Indicators in Cosmology

Quasars accreting matter at very high rates (known as extreme Population A [xA] quasars, possibly associated with super-Eddington accreting massive black holes) may provide a new class of distance indicators covering cosmic epochs from present day up to less than 1 Gyr from the Big Bang. At a more f...

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Bibliographic Details
Main Authors: Deborah Dultzin, Paola Marziani, J. A. de Diego, C. A. Negrete, Ascensión Del Olmo, Mary L. Martínez-Aldama, Mauro D'Onofrio, Edi Bon, Natasa Bon, Giovanna M. Stirpe
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-01-01
Series:Frontiers in Astronomy and Space Sciences
Subjects:
quasar main sequence
line profiles
emission lines
supermassive black holes
black hole physics
dark energy
Online Access:https://www.frontiersin.org/article/10.3389/fspas.2019.00080/full

Internet

https://www.frontiersin.org/article/10.3389/fspas.2019.00080/full

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