SIMBAD references

2011ApJ...736...57Z - Astrophys. J., 736, 57 (2011/July-3)

Discovery of a radio-selected z ∼ 6 quasar.

ZEIMANN G.R., WHITE R.L., BECKER R.H., HODGE J.A., STANFORD S.A. and RICHARDS G.T.

Abstract (from CDS):

We present the discovery of only the second radio-selected z ∼ 6 quasar. We identified SDSS J222843.54+011032.2 (z = 5.95) by matching the optical detections of the deep Sloan Digital Sky Survey Stripe 82 with their radio counterparts in the Stripe 82 Very Large Array Survey. We also matched the Canadian-France-Hawaiian Telescope Legacy Survey Wide with the Faint Images of the Radio Sky at Twenty cm survey but have yet to find any z ∼ 6 quasars in this survey area. The discovered quasar is optically faint, z = 22.3 and M1450∼ -24.5, but radio bright, with a flux density of f_1.4 GHz, peak_ = 0.31 mJy and a radio loudness of R ∼ 1100 (where R ≡ f_5 GHz/f 2500_). The i - z color of the discovered quasar places it outside the color selection criteria for existing optical surveys. We conclude by discussing the need for deeper wide-area radio surveys in the context of high-redshift quasars.

Abstract Copyright:

Journal keyword(s): quasars: general - quasars: individual: SDSS J222843.54+011032.2

Nomenclature: Table 1: [ZWB2011] SDSS JHHMMSS.s+DDMMSS.s N=19, [ZWB2011] CFHT JHHMMSS.s+DDMMSS.s N=16.

Simbad objects: 39

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