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Close companions to two high-redshift quasars

McGreer, Ian; Fan, Xiaohui; Strauss, Michael A; Haiman, Zoltan; Richards, Gordon T; Jiang, Linhua; Bian, Fuyan; Schneider, Donald

Description

We report the serendipitous discoveries of companion galaxies to two high-redshift quasars. SDSS J025617.7+001904 is a z = 4.79 quasar included in our recent survey of faint quasars in the SDSS Stripe 82 region. The initial MMT slit spectroscopy shows excess Lyα emission extending well beyond the quasar's light profile. Further imaging and spectroscopy with LBT/MODS1 confirms the presence of a bright galaxy (i AB= 23.6) located 2″ (12 kpc projected) from the quasar with strong Lyα emission...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/75448
Source: Astronomical Journal
DOI: 10.1088/0004-6256/148/4/73

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