The REQUIEM Survey. I. A Search for Extended Lyα Nebular Emission Around 31 z > 5.7 Quasars

The discovery of quasars a few hundred megayears after the Big Bang represents a major challenge to our understanding of black holes as well as galaxy formation and evolution. Quasars' luminosity is produced by extreme gas accretion onto black holes, which have already reached masses of M BH  &...

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Bibliographic Details
Published in:The Astrophysical journal 2019-12, Vol.887 (2), p.196
Main Authors: Farina, Emanuele Paolo, Arrigoni-Battaia, Fabrizio, Costa, Tiago, Walter, Fabian, Hennawi, Joseph F., Drake, Alyssa B., Decarli, Roberto, Gutcke, Thales A., Mazzucchelli, Chiara, Neeleman, Marcel, Georgiev, Iskren, Eilers, Anna-Christina, Davies, Frederick B., Bañados, Eduardo, Fan, Xiaohui, Onoue, Masafusa, Schindler, Jan-Torge, Venemans, Bram P., Wang, Feige, Yang, Jinyi, Rabien, Sebastian, Busoni, Lorenzo
Format: Article
Language:English
Subjects:
Astrophysics
Emissions
Galaxies
Polls & surveys
Quasars
Star & galaxy formation
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Summary:The discovery of quasars a few hundred megayears after the Big Bang represents a major challenge to our understanding of black holes as well as galaxy formation and evolution. Quasars' luminosity is produced by extreme gas accretion onto black holes, which have already reached masses of M BH  > 10 9 M ⊙ by z  ∼ 6. Simultaneously, their host galaxies form hundreds of stars per year, using up gas in the process. To understand which environments are able to sustain the rapid formation of these extreme sources, we started a Very Large Telescope/Multi-Unit Spectroscopic Explorer (MUSE) effort aimed at characterizing the surroundings of a sample of 5.7 
ISSN:0004-637X
1538-4357
DOI:10.3847/1538-4357/ab5847