2022MNRAS.512L..27B

Query : 2022MNRAS.512L..27B

2022MNRAS.512L..27B - Mon. Not. R. Astron. Soc., 512, L27-L32 (2022/May-1)

Revealing dual radio sources in a sub-kpc-scale binary active galactic nucleus candidate.

BROOKS J.E., ARGO M.K., CHO H., WOO J.-H., JUNG T. and WRIGLEY N.

Abstract (from CDS):

We present new imaging of a sub-kpc-scale binary active galactic nucleus (AGN) candidate from the Karl G. Jansky Very Large Array (VLA) and the Multi-Element Radio Linked Interferometer Network (e-MERLIN). Two unresolved radio sources of similar luminosity around 10²² WHz^–1 are identified in ∼35 h of e-MERLIN 6 cm imaging. These radio sources have an angular separation of 0.19 ± 0.06 arcsec and position angle (PA) of 22° ± 10°, corresponding to a projected separation of 0.95 ± 0.29 kpc at the epoch of the source. Our results suggest the presence of a kpc-scale active black hole pair hosted by two galaxies in the late stage of a merger at z = 0.35. This work follows Woo et al., which presented two optical sources with a similar separation and PA, and a velocity separation of 200 km s^–1. Our target adds to the currently limited sample of close-separation binary AGNs, which will aid in understanding the frequency of mergers and the stochastic gravitational wave background.

Journal keyword(s): galaxies: active - galaxies: interactions - galaxies: nuclei - radio continuum: galaxies

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	QSO J1323-0159	Sy2	13 23 23.334	-01 59 41.94		20.85	20.11			~	32	0

Query : 2022MNRAS.512L..27B

Basic data :

QSO J1323-0159 -- Seyfert 2 Galaxy

AGN (2019MNRAS,[VV2006c],...), Sy2 (2010A&A), QSO (QSO), G ([HSN2016]), Opt (SDSS)

13 23 23.334 -01 59 41.94 (Optical) [ 13 13 90 ] C 2011yCat.2306....0A

13 20 48.809 -01 44 03.32 [ 13 13 90 ]

318.996551 +59.876462 [ 13 13 90 ]

V(km/s) 87421 [3] / z(~) 0.35029 [0.00001] / cz 105014.3 [3.0] (Opt) C 2011yCat.2306....0A

B 20.85 [~] D 2010A&A...518A..10V

V 20.11 [~] D 2010A&A...518A..10V

u 21.664 [0.145] D 2009ApJS..182..543A

g (AB) 20.66 [0.03] C 2011yCat.2306....0A

r (AB) 19.593 [0.018] C 2011yCat.2306....0A

i (AB) 19.80 [0.03] C 2011yCat.2306....0A

z (AB) 18.83 [0.05] C 2011yCat.2306....0A

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`SDSS J132323.33-015941.9`	`[HSN2016] J200.84-01.99`	`[VV2010c] J132323.3-015941`
`QSO J1323-0159`	`[VV2006c] J132323.3-015941`

References (32 between 1850 and 2026) (Total 32)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Data at NED - NASA/IPAC Extragalactic Database : QSO J1323-0159

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SDSS J132323.33-015941.9

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