2024MNRAS.528.5880D

Query : 2024MNRAS.528.5880D

2024MNRAS.528.5880D - Mon. Not. R. Astron. Soc., 528, 5880-5889 (2024/March-2)

Gaia GraL: Gaia DR2 gravitational lens systems - VIII. A radio census of lensed systems.

DOBIE D., SLUSE D., DELLER A., MURPHY T., KRONE-MARTINS A., STERN D., WANG Z., WANG Y., BOEHM C., DJORGOVSKI S.G., GALLUCCIO L., DELCHAMBRE L., CONNOR T., DEN BROK J.S., DO VALE CUNHA P.H., DUCOURANT C., GRAHAM M.J., JALAN P., KLIONER S.A., KLUTER J., MIGNARD F., NEGI V., PETIT Q., SCARANO S.Jr, SLEZAK E., SURDEJ J., TEIXEIRA R., WALTON D.J. and WAMBSGANSS J.

Abstract (from CDS):

We present radio observations of 24 confirmed and candidate strongly lensed quasars identified by the Gaia Gravitational Lenses working group. We detect radio emission from eight systems in 5.5 and 9 GHz observations with the Australia Telescope Compact Array (ATCA), and 12 systems in 6 GHz observations with the Karl G. Jansky Very Large Array (VLA). The resolution of our ATCA observations is insufficient to resolve the radio emission into multiple lensed images, but we do detect multiple images from 11 VLA targets. We have analysed these systems using our observations in conjunction with existing optical measurements, including measuring offsets between the radio and optical positions for each image and building updated lens models. These observations significantly expand the existing sample of lensed radio quasars, suggest that most lensed systems are detectable at radio wavelengths with targeted observations, and demonstrate the feasibility of population studies with high-resolution radio imaging.

Abstract Copyright: © 2024 The Author(s). Published by Oxford University Press on behalf of Royal Astronomical Society.

Journal keyword(s): gravitational lensing: strong - radio continuum: general

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 19

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Number of rows : 19
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 [DKW2019] 25 gLS 02 48 48.743 +19 13 30.50           ~ 10 0
2 [DKW2019] 8 LS? 05 30 36.995 -37 30 11.04           ~ 5 0
3 ICRF J054236.1+495107 Sy1 05 42 36.13789710 +49 51 07.2337139   18.45 17.80 17.210   ~ 1573 1
4 [SDK2021] GraL J060710.8-215217 gLS 06 07 10.8 -21 52 17           ~ 3 0
5 [SDK2021] GraL J060841.4+422937 gLS 06 08 41.4 +42 29 37           ~ 3 0
6 [SDK2021] GraL J065904.1+162909 gLS 06 59 04.1 +16 29 09           ~ 13 0
7 [SDK2021] GraL J081828.3-261325 gLS 08 18 28.3 -26 13 25           ~ 7 0
8 QSO B1115+080A QSO 11 18 16.951 +07 45 58.23   16.61 16.44     ~ 703 2
9 [KDW2018] GRAL J113100-441959 LS? 11 31 00.010 -44 19 59.87           ~ 12 0
10 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
11 QSO J1415+1129 QSO 14 15 46.25 +11 29 43.4   17.63 17.23     ~ 678 0
12 [DKW2019] 11 LS? 15 37 25.332 -30 10 16.99           ~ 12 0
13 [SDK2021] GraL J165105.3-041725 gLS 16 51 05.3 -04 17 25           ~ 6 0
14 [DKW2019] 23 LS? 18 17 30.851 +27 29 40.08           ~ 11 0
15 ICRF J193925.0-634245 Sy2 19 39 25.0245304992 -63 42 45.640373400   18.87 18.37 17.64   ~ 1332 2
16 [LAM2019] J2014-3024 LS? 20 14 54.20 -30 24 52.5           ~ 3 0
17 [SDK2021] GraL J201749.1+620443 gLS 20 17 49.1 +62 04 43           ~ 3 0
18 [ALK2018] WGD J2038-4008 gLS 20 38 02.707 -40 08 13.59           ~ 23 0
19 [SDK2021] GraL J210329.0-085049 gLS 21 03 29.0 -08 50 49           ~ 3 0

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