J/MNRAS/416/2041: Resource Record Summary

Resource Record Summary

Catalog Service:
H{alpha} emitters at z=2.23

Short name: J/MNRAS/416/2041 IVOA Identifier: ivo://CDS.VizieR/J/MNRAS/416/2041Publisher: CDS[+]ivo://CDS[Pub. ID] More Info: http://cdsarc.unistra.fr/cgi-bin/cat/J/MNRAS/416/2041 VO Compliance: Level 2: This is a VO-compliant resource.	Status: active Registered: 2012 May 18 15:11:51Z
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Description

We present the results of a narrow-band (H_2_S1, {lambda}_c_=2.121um, {delta}{lambda}=0.021um) imaging search with Wide Field Camera/United Kingdom Infrared Telescope for H{alpha} emitters (HAEs) around several potential signposts of rare (~10^-7^-10^-8^ comoving Mpc^-3^) overdense regions at z=2.23: an overdensity of quasi-stellar objects [QSOs; 2dF QSO Redshift Survey (2QZ) cluster], a powerful, high-redshift radio galaxy (HzRG) and a concentration of submillimetre galaxies (SMGs) and optically faint radio galaxies (OFRGs). In total, we detect 137 narrow-band emitter candidates down to emission-line fluxes of 0.5-1x10^-16^erg/s/cm^2^, across a total area of 0.56deg^2^ (2.1x10^5^ comoving Mpc^3^ at z=2.23) in these fields.

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