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Massive quasar host galaxies in the reionisation epoch

Published online by Cambridge University Press:  04 June 2020

Bram P. Venemans Open the ORCID record for Bram P. Venemans [Opens in a new window] ,
Fabian Walter ,
Marcel Neeleman ,
Mladen Novak  and
Roberto Decarli
Bram P. Venemans
Affiliation:
Max Planck Institute for Astronomy, Königstuhl 17, D-69117, Heidelberg, Germany email: venemans@mpia.de
Fabian Walter
Affiliation:
Max Planck Institute for Astronomy, Königstuhl 17, D-69117, Heidelberg, Germany email: venemans@mpia.de
Marcel Neeleman
Affiliation:
Max Planck Institute for Astronomy, Königstuhl 17, D-69117, Heidelberg, Germany email: venemans@mpia.de
Mladen Novak
Affiliation:
Max Planck Institute for Astronomy, Königstuhl 17, D-69117, Heidelberg, Germany email: venemans@mpia.de
Roberto Decarli
Affiliation:
Osservatorio di Astrofisica e Scienza dello Spazio di Bologna via Gobetti 93/3, 40129 Bologna, Italy
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Abstract

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Luminous quasars are powered by accretion onto supermassive black holes. Such luminous quasars have been discovered up to the highest redshifts, z > 7. Here we discuss recent observations of the host galaxies of luminous quasars at z ≳ 6. We do not find a correlation between ongoing black hole growth and star-formation rate in the high redshift quasars, possibly indicating that black holes and their hosts do not co-evolve. We further show that even with high spatial resolution observations of the gas kinematics, dynamical mass estimates remain highly uncertain and should be used with caution.

Keywords

cosmology: observationsgalaxies: high-redshiftgalaxies: ISMgalaxies: active
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S352: Uncovering Early Galaxy Evolution in the ALMA and JWST Era , June 2019 , pp. 127 - 131
Copyright
© International Astronomical Union 2020

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