Back to Search Start Over

No excess of bright galaxies around the redshift 7.1 quasar ULAS J1120+0641.

Authors :
Simpson, Chris
Mortlock, Daniel
Warren, Stephen
Cantalupo, Sebastiano
Hewett, Paul
McLure, Ross
McMahon, Richard
Venemans, Bram
Source :
Monthly Notices of the Royal Astronomical Society; Aug2014, Vol. 442 Issue 4, p3454-3461, 8p
Publication Year :
2014

Abstract

We present optical and near-infrared imaging of the field of the z = 7.0842 quasar ULAS J112001.48+064124.3 taken with the Hubble Space Telescope. We use these data to search for galaxies that may be physically associated with the quasar, using the Lyman break technique, and find three such objects, although the detection of one in Spitzer Space Telescope imaging strongly suggests it lies at z ∼ 2. This is consistent with the field luminosity function and indicates that there is no excess of >L★ galaxies within 1 Mpc of the quasar. A detection of the quasar shortwards of the Lyα line is consistent with the previously observed evolution of the intergalactic medium at z > 5.5. [ABSTRACT FROM PUBLISHER]

Details

Language :
English
ISSN :
00358711
Volume :
442
Issue :
4
Database :
Complementary Index
Journal :
Monthly Notices of the Royal Astronomical Society
Publication Type :
Academic Journal
Accession number :
97547217
Full Text :
https://doi.org/10.1093/mnras/stu1116