SIMBAD references

2009ApJS..181..548C - Astrophys. J., Suppl. Ser., 181, 548-556 (2009/April-0)

FIRST "Winged" and X-shaped radio source candidates. II. New redshifts.

CHEUNG C.C., HEALEY S.E., LANDT H., VERDOES KLEIJN G.A. and JORDAN A.

Abstract (from CDS):

We report optical spectroscopic observations of X-shaped radio sources with the Hobby-Eberly Telescope and Multiple-Mirror Telescope, focused on the sample of candidates from the FIRST survey presented in a previous paper. A total of 27 redshifts were successfully obtained, 21 of which are new, including a newly identified candidate source of this type which is presented here. With these observations, the sample of candidates from the previous paper is over 50% spectroscopically identified. Two new broad emission-lined X-shaped radio sources are revealed, while no emission lines were detected in about one-third of the observed sources; a detailed study of the line properties is deferred to a future paper. Finally, to explore their relation to the Fanaroff-Riley division, the radio luminosities and host galaxy absolute magnitudes of a spectroscopically identified sample of 50 X-shaped radio galaxies are calculated to determine their placement in the Owen-Ledlow plane.

Abstract Copyright:

Journal keyword(s): galaxies: active - galaxies: distances and redshifts - quasars: general

VizieR on-line data: <Available at CDS (J/ApJS/181/548): table1.dat table2.dat>

Nomenclature: Text, Tables 1-2: [C2007] J1018+2914.

Simbad objects: 53

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