2015MNRAS.450.1042R

Query : 2015MNRAS.450.1042R

2015MNRAS.450.1042R - Mon. Not. R. Astron. Soc., 450, 1042-1056 (2015/June-2)

Radio monitoring campaigns of six strongly lensed quasars.

RUMBAUGH N., FASSNACHT C.D., McKEAN J.P., KOOPMANS L.V.E., AUGER M.W. and SUYU S.H.

Abstract (from CDS):

We observed six strongly lensed, radio-loud quasars (MG 0414+0534, CLASS B0712+472, JVAS B1030+074, CLASS B1127+385, CLASS B1152+199, and JVAS B1938+666) in order to identify systems suitable for measuring cosmological parameters using time delays between their multiple images. These systems are in standard two- and four-image configurations, with B1938 having a faint secondary pair of images. Two separate monitoring campaigns were carried out using the Very Large Array (VLA) and upgraded VLA. Light curves were extracted for each individual lensed image and analysed for signs of intrinsic variability. While it was not possible to measure time delays from these data, χ2-based and structure function tests found evidence for variability in a majority of the light curves. B0712 and B1030 had particularly strong variations, exhibiting linear flux trends. These results suggest that most of these systems should be targeted with follow-up monitoring campaigns, especially B0712 and B1030. We estimate that we can measure time delays for these systems with precisions of 0.5-3.5 d using two more seasons of monitoring.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): gravitational lensing: strong - distance scale

Simbad objects: 30

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Number of rows : 30
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 3C 48 QSO 01 37 41.2996631208 +33 09 35.080388820   16.62 16.20     ~ 2924 2
2 [HTL92] C LeI 04 14 37.64 +05 34 42.7           ~ 43 0
3 [HTL92] B LeI 04 14 37.73 +05 34 44.3     25.5     ~ 48 0
4 4C 05.19 QSO 04 14 37.76734974 +05 34 42.3295956   24.100 23.800 21.270   ~ 371 2
5 [HTL92] A1 LeI 04 14 37.77 +05 34 42.4           ~ 48 0
6 [HTL92] A2 LeI 04 14 37.78 +05 34 42.8           ~ 47 0
7 [JNB98] B0712+472 A LeI 07 16 03.633 +47 08 50.12           ~ 14 0
8 [JNB98] B0712+472 B LeI 07 16 03.638 +47 08 49.96           ~ 14 0
9 QSO B0712+472 QSO 07 16 03.64335360 +47 08 50.2272600     23.0     ~ 116 2
10 [JNB98] B0712+472 C LeI 07 16 03.712 +47 08 49.45           ~ 12 0
11 [JNB98] B0712+472 D LeI 07 16 03.747 +47 08 50.58           ~ 12 0
12 [LFK2000] 1030+074 A LeI 10 33 +07.1           ~ 11 0
13 [LFK2000] 1030+074 B LeI 10 33 +07.1           ~ 11 0
14 QSO B1030+074 Bla 10 33 34.02429368 +07 11 26.1475933     20.34 20.22   ~ 111 2
15 [KDM99] A1 LeI 11 30 00.099 +38 12 03.09           ~ 2 0
16 NVSS J113000+381203 Rad 11 30 00.110 +38 12 03.23           ~ 31 0
17 [KDM99] B1 LeI 11 30 00.157 +38 12 03.23           ~ 2 0
18 2MASS J11315154-1231588 Sy1 11 31 51.5387 -12 31 58.716           ~ 304 1
19 [VV2000] J115518.3+193942 QSO 11 55 18.2955044232 +19 39 42.228456840   17.15 16.89     ~ 100 2
20 [RNB2002] A LeI 11 55 18.2971 +19 39 42.230           ~ 10 0
21 [RNB2002] B LeI 11 55 18.3633 +19 39 40.982           ~ 10 0
22 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
23 NVSS J160914+653229 rG 16 09 13.93704 +65 32 27.9024     19.4     ~ 215 0
24 NVSS J193825+664853 Rad 19 38 25.28898 +66 48 52.9152           ~ 117 2
25 [KBM97] 1938+666 C2 LeI ~ ~           ~ 3 0
26 [KBM97] 1938+666 A LeI ~ ~           ~ 3 0
27 [KBM97] 1938+666 A1 LeI ~ ~           ~ 3 0
28 [KBM97] 1938+666 C1 LeI ~ ~           ~ 3 0
29 [KBM97] 1938+666 B1 LeI ~ ~           ~ 3 0
30 [KBM97] 1938+666 B LeI ~ ~           ~ 3 0

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