The brightest gravitationally lensed radiosources (F>200 mJy)

fluxes are measured in mJy
 
Name(s) of the source Coordinates
(equatorial & galactic)
Source, Images & Lens Other information
PMN J0134-0931
PKS B0132-097
PKS J0134-0931
PMN J0134-0931
NVSS J013435.7-093102
OC-054
TXS 0132-097

discovered in 2001

01h 34m 35.67s
-09d 31m 03.1s (J2000)

l=155.0061561
b=-69.6552408

QSO,
z(source)=2.216
A1,A2,B,C,D,E
max - 681 mas

z(lens)=0.76451 (by SDSS)
Model: isothermal sphere reproduce positions of A,B,C and D, but predicted by the model magnification coefficients does not close to the observational ones.

VLA (8.5-43 GHz), MERLIN, VLBI
Available data on the fluxes (CASTLES site + [1]):
comp.\ freq. 1.7 GHz 2.7 GHz 4.85 GHz 5 GHz 5 GHz 8.4 GHz
A1 - - - 269  - -
A2 - - - 78  - -
A 406  - - - - -
B 117  - - 82  - -
C 100  - - 36  - -
D 11  - - 64  - -
Total - 1190  670  - 850  470 
spectrum peak location: 2 GHz
the image is partly resolved
availavle maps: VLBA (1.7 GHz and 5 GHz)
spectrum slope (5-43 GHz):-0.69(pm 0.04)
polarization: <3%
Literature:
[1] "A gravitationally lensed quasar with an unusual radiomorphology", Winn et al., astro-ph/0107435 
[2] "The reddest quasars. FIRST survey", Gregg et al., astro-ph/0107441, independent discovery of the same source
[3] "The redshift of the lensisng galaxy in PMN J0134-0931", Hall et al., astro-ph/0207317
MNRAS 311, 389 (2000)?\
Lens model: astro-ph/0303261
Peactures:
VLA / MERLIN / 5, 8.5, 15, 22.5 43 GHz /: fig1[1]
Spectrum data (0.4 - 43 GHz): fig2[1]
Radio contour plots with VLBA: fig3[1]
Lens model: fig4[1]
B0218+357
CASTLES source
S4 0218+35
J022105.4+355615
CLASS source

discovered in 1991
substructures in A and B are
discovered at 2000

02h 21m 05.483s
+35d 56m 13.78s (J2000)

l=142.6017706
b=-23.4866545

BL Lacertae
z(source)=0.944(+-0.002)
A,B+Ring+Jet
D(Ring)=350 mas
R(AB)=334 mas

z(lens)=0.6847
galaxy

VLA, time delay dt(AB)=10.1(+1.5-1.6)d (95%)
F(A/B)=3.2(+0.3-0.4) (8 GHz, 95%)
F(A/B)=4.3(+0.5-0.8) (15 GHz, 95%)
F(A)=800-900mJy; F(B)=200-300 mJy (see Table1[1])
polarization ~8-12% (8.4GHz, 22.4GHz) [2]
Variability ~10%[CASTLES]
 
position \ components A2-A1 B2-B1
Radio separation RA'' 1.07 mas 1.47 mas
Radio separation DEC'' 0.87 mas 0
components: A1 A2 B1 B2
Radio position RA'' 0 0.00107 0.30920 0.31117
Radio position DEC'' 0 0.00087 0.12740 0.12740
Flux at 15 GHz, mJy  621(+-7) 379(+-5) 172(+-3) 104(+-3)
Total flux at 5 GHz: 1209 mJy
 
[5]: date A B A1 B1 A2 B2
1.7 GHz 92/01/19 445 170 - - - -
5 GHz 92/03/27 515 196 - - - -
8.4 GHz 95/05/09 - - 472 139 218 63
15 GHz 95/07/17 - - 450 295 121 66
22 GHz 95/07/17 - - 328 140 100 41
43 GHz 95/07/17 - - 270 60 75 22

Early observations (till 1992):
frequency A B Ring
4.84 GHz 880(+-80) 370(+-20) 133(+-13)
8.4 GHz 807(+-40) 270(+-15) 158(+-16)
22.4 GHz 833(+-160) 253(+-50) 167(+-40)

Literature:
[1]"Further investigation of the time delay magnification ratios and variability in the gravitational lens 0218+357", Cohen et al., astro-ph/0010049, ApJ 545, 578-590, 2000 Dec 20 
[2] "Polarization VLBI observations of the gravitational lens system B0218+357 at 8.4 GHz", ApJ 562, 649-653, 2001 
[3] "Intrinsic intraday variability in the gravitational lens system B0218+357", Biggs et al., astro-ph/0012476
[4] "MERLIN/VLA imaging of the gravitational lens system B0218+357", Biggs et al., astro-ph/0011142
[5] "Frequency dependent radio structure of the gravitational lens system 0218+357", Patnaik et al., astro-ph/9803264
[6] "Global 8.4- GHz observations of JVAS B0218+357", Biggs et al., astro-ph/0209182
[7] "The redshift of the lensed object in the Einstein ring B0218+357, Cohen et al., astro-ph/0209457
Peactures:
VLA 8 GHz map: Fig1[1]
VLA 15 GHz map: Fig2[1]
LIght curves of the compact components. These light curves include a constant offsett due to a contribution of the surrounding Einstein ring of radio emission: Fig4[1]
VLBA, A: Fig1a[5]
VLBA, B: Fig1b[5]
MERLIN 4.546 GHz map: Fig1[4]
MERLIN 5 GHz map: Fig2[4]
VLA 5 GHz map: Fig3[4]
MERLIN/VLA 5 GHz: Fig4[4]
VLBI polarization map at 8.4 GHz (A): Fig1a[2]
VLBI polarization map at 8.4 GHz (B): Fig1b[2]
VLBI 5 GHz map: A: Fig1a[6]; B: Fig1b[6]
VLBI 8.4 GHz map: A: Fig2a[6]; B: Fig2b[6], C: Fig2c[6]; D: Fig2d[6]
VLA 8.4 GHz map: Fig4a[6]
map of A: Fig5a[6]
map of B: Fig5b[6]

MG J0414+0534
CASTLES source
PKS B0411+054
PMN J0414+0534
4C +05.19
PKS 0411+05
PKS B0411+054
PKS J0414+0534
PMN J0414+0534
MRC 0411+054AMG1 J041439+0534
J041437.7+053444
87GB041158.6+052716
87GB0411+0527
0411+0527
NVSS J041437+053433
VSOP J0414+0534

discovered in 1986

04h 14m 37.73s
+05d 34m 44.3s (J2000)

l=187.1006594
b=-31.0331306

QSO
z(source)=2.639
A1,A2,B,C+Ring
2.12as

z(lens)=0.9584(+-0.0002)
galaxy, [9,28,33], isothermal sphere

X-ray observations, Fe K_\alpha observations: [1]
absence of variability [2],
IR observations [3]
time delay data [5]: 
dt(B-A1)=15.7(+-1.3)d; dt(B-A2)=16.0(+-1.4)d; dt(B-C)=66(+-5)d 
 
observation components: A1 A2 B C
5 GHz RA'' 0.577 0.712 0 -1.345
VLBI 0.994 0.728 0.048 -
1992 DEC'' -1.945 -1.543 0 -1.454
-1.939 -1.516 -0.023 -
peak flux 185.9 122.3 38.6 -
beam flux 39.0 28.7 13.8 -
5 GHz RA'' 0.588 0.721 0 -1.361
VLA DEC'' -1.934 -1.530 0 -1.635
1993 Flux 401 362 156 58
Total flux at 5 GHz: 997 mJy(see CASTLES)
 
1.4 GHz 2.7 GHz 4.85 GHz 5 GHz
1760 1130 945 710
[6]: date A1 A2 B C Total
1.4 GHz 93/01/15 A1+A2:1688(+-8)  see A1 349(+-6)  125(+-6) 2118(+-11)
5 GHz 93/01/15 401(+-8) 362(+-8) 156(+-4) 58(+-2) 976(+-15)
8 GHz 93/01/15 245(+-2) 220(+-2) 95(+-1) 36(+-1) 596(+-4)
8 GHz 94/04/01 242(+-1) 217(+-1) 93(+-1) 37(+-1) 598(+-13)
15 GHz 92/11/18 162(+-6) 142(+-6) 64(+-3) 23(+-1) 391(+-11)
15 GHz 92/12/15 151(+-6) 134(+-5) 59(+-2) 23(+-1) 367(+-11)
15 GHz 93/01/15 170(+-4) 150(+-4) 66(+-2) 24(+-2) 411(+-10)
15 GHz 93/03/09 145(+-6) 129(+-5) 56(+-2) 21(+-1) 351(+-10)
22 GHz 94/04/01 117(+-6) 103(+-5) 46(+-3) 17(+-2) 282(+-11)
see also [7]
 
[4]: frequency A B C
1984 5 GHz 682(+-14) 134(+-3) 48(+-2)
1987 15 GHz 229(+-6) 60(+-1) 22(+-1)
[7]: x, mas y, mas I(peak), mJy/beam Total flux
A1 0.00 0.00 65.5 155.6
A2 +133.96 +405.40 50.2 129.3
B -588.52 +1937.52 14.9 50.0
C -1945.40 +299.72 7.9 21.6

Literature:
[1]"Microlensing og MG J0414+535", Chartas et al., ApJ 568, 509
[2]"15 GHz monitoring of the gravitational lens MG0414+0534", Moore et al., astro-ph/9708079
[3]astro-ph/9801308
[4]Hewitt AJ 104,968 (1992)
[5]"VLBI imaging of thr gravitational lens MG J0414+0534 and B1422+231", Ros et al., astro-ph/0010650
[6],"Multifrequency radio observations of the gravitational lens system MG 0414+0534", Katz et al., astro-ph/9609104
[7]"VLBI imaging of the gravitational lens MG J0414+0534", Ros et al., astro-ph/0009493
[8]Tornby, Kochanek, AJ 117, 2034-2038 (1999) 
[9]"VLBI imaging of the gravitational lenses B1422+231 and MGJ0414+0534", Ros et al., 2001 hsa.conf.49R 
Lens model: astro-ph/0303261
Peactures:
15 GHz map (15 Dec 1992): Fig1[2]
Table of measured flux densities: Table2[2]
Light curves for all components: Fig4[2]
VLBI 8.4 GHz map Fig1[7]
VLBI 8.4 GHz subimages cores Fig2[7]
CASTLES combined 1.6um peacture Fig3[7]

B1030+074
CASTLES sourse
PNM J1033+0711
MG1 J103335+0711
87GB103057.1+0.72716
J103333.2+0.71135
1030+0727
1030+0.74
JVAS J1033+0711

discovered in 1998

10h 33m 34.08s
+07d 11m 25.5s (J2000)

l=237.9110402
b=51.7254524

QSO
z(source)=1.535
A,B
1.56 as

z(lens)=0.599
double galaxy

VLBA 1.7, 8.4, 15 GHz [1]
predicted time delay dt=156/h_50 d [6]
VLA, MERLIN, VLBA, EVN
[1]: A has a jet, B has no jet
[7]: date frequency, GHz Flux, A Flux, B
EVN 94/05/15 1.7  147 8.1
EVN 94/11/18 173 10.9
MERLIN 93/09/27 1.7 186 9.8
MERLIN 96/12/27 5 326 27.3
VLBA 95/11/12 5 248 19.1
VLA 92/10/17 8.4 202 16.0
VLA 94/02/22 8.4 197 12.9
VLA 94/02/22 15 208 14.8
VLA 95/12/20 15 295 24.4
VLA 94/02/22 22 184 15.3
VLA 95/12/19 22 219 12.2
[1]: A B
RA'' 0 0.934(+-0.001)
DEC'' 0 -1.258(+-0.001)
Flux 8 GHz (VLA) 200(+-3) 14.5(+-1.5)

Literature:
[1]:"The core-jet structure of the JVAS gravitational lens B1030+074", Xanthopoulos et al., astro-ph/0009171 
[2]:"Interferometer phase calibration sources - I. The region +35^0 < \delta_B1950 < +75^0", Patnaik et al., MNRAS 254, 655-676 (1992)
[3]:"Grav.L. in the Universe", Patnaik et al., p 311, 1993
[4]"Interferometer phase calibration sources - I. The region 0^0 < \delta_B1950 < +20^0", Browne et al., MNRAS 293, 257-287 (1998)
[5]:Winkinson et al., MNRAS 300,790 (1998)
[6]:"Everything you ever wanted to know about JVAS gravitational lens system B1030+074 but were afraid to ask", Xanthopoulos et al., astro-ph/9909460
[7]:"The new gravitational lens system B1030+074", Xanthopoulos et al., astro-ph/9802014
[8]:"VLA and MERLIN monitoring observations of the gravitational lens system B1030+074", Xanthopoulos et al., astro-ph/0012373
Peactures:
VLBA+EB 1.7 GHz map of A: Fig1[1]
A(top) and B (bottom) at 8.4 GHz and 15 GHz: Fig2[1]
VLBA+EB 1.7 GHz map of A(left) and B(right): Fig[6] 

B1422+231
CASTLES source
MAPS_NGP O_382_0380226
MG2 J142438+2255
87GB142219.8230916
87GB1422+2309
1422+2309
RGB J1424+229
RX J1424.6+2255
1AXG J142438+2256
J142428.11+225600.7
J142438.1+225601

discovered in 1992

14h 24m 38.09s
22d 56m 00.59s (J2000)

l=26.8361248
b=68.5099040

QSO
z(source)=3.6267
A,B,C,D
1.3''

z(lens)=0.338
galaxy

VLA, MERLIN [1]
spectrum maximum location 5 GHz
spectrum slope (A,B,C)=-0.71(+-0.05)
spectrum slope(D)=-0.28(+-0.30)
images are not resolved
time delay dt (BA)=1.5(+-1.4)d; dt(AC)=7.6(+-2.5)d; dt(BC)=8.2(+-2.0)d
 
CASTLES: A B C D
RA'' 0.3908 0 -3.357 -0.9449
DEC'' 0.3194 0 -0.7457 -0.8059
Flux, 5 GHz 216 221 115 4.5
Flux, 15 GHz 148 153 79 3.9
Total flux at 5 GHz: 557 mJy(see CASTLES)

Literature:
[1]"VLBI imaging of thr gravitational lens MG J0414+0534 and B1422+231", Ros et al., astro-ph/0010650
[2]"B1422+231: a new gravitationally lensed system at z=3.62"Patnaik et al., MNRAS 259, 1p (1992)
[3]"VLBI imaging of the gravitational lens B1422 and MGJ0414+0534", Ros et al., 2001 hsa.conf.49R, 2001
[4]"Determination of time delay from the gravitational lens B1422+231", MNRAS 326, 1403 (2001)
Lens model: astro-ph/0303261
Peactures:
VLA map at 8.4 GHz: Fig1[2]
VLBI 8.4 GHz map: Fig1[1]

PMN J1632-0033
CASTLES source
PKS B1630-004

discovered in 2001

16h 32m 57.8s
-00d 33m 00s (J2000)

l=14.91927
b=30.08030

QSO
z(source)=3.424(+-0.007)
A,B,C
R(AB)=1.47''

z(lens)=~1 (may be, it is C)

F(A/B)=13.2, MERLIN, VLBA, VLA, flat spectrum [1]
A is partly resolved by VLBA, B does not resolved
spectrum slope difference 0.07(+-0.01). It is not excluded that it is double quasar
 
2.7 GHz 4.85 GHz 5 GHz
200 235 200
other data: Total flux at 5 GHz: 227 mJy(see CASTLES)
see also Table1[1]

Literature:
[1]:"PMN J1632-0033: a new gravitationally lensed quasar", Winn et al.,, astro-ph/0104092
Peactures:
Radio maps: Fig1[1]
Total flux density as a function of frequency: Fig2[1]

PMN J1838-3427
CASTLES source
PKS 1835-345
18h 38m 28.49s
-34d 27m 42.6 (J2000)

l=0.410419
b=-12505724

QSO
z(source)=2.78
A,B, R(AB)=1.00''

z(lens)=0.36(+-0.08)
G component?

HST, VLA, flat spectrum, expected time delay 14 d
Photometric models based on VLA and VLBA data: Table1[1]
Two-point spectral indices based on VLA data & Compilation of radio flux density measurements: Tables2&3[1]
 
[1]: frequency A B
19/05/98 8.46 GHz 192.0 13.7
19/07/99 8.46 GHz 169.7 11.5
19/07/99 4.46 GHz 200.4 13.2
19/07/99 14.94 GHz 168.8 11.7
11/10/99 4.975 GHz 145.4 13.7
Total flux at 5 GHz: 215 mJy(see CASTLES)

Literature:
[1]"PMN J1838-3427: a new gravitationally lensed quasar", Winn et al., astro-ph/0008036
Peactures:
VLA images 2''x4'': Fig1[1]
VLBA images: Fig2[1]
HST images: Fig3[1]

QSO 1938+666
CASTLES source
87GB 193813.3+664151
87GB 1938+6641
WN B1938+6641
1938+6641
NVSS J193825+664853
TXS 1938+666

discovered in 1992

19h 38m 25.2889s
66d 48m 52.915s (J2000)

l=98.6558417
b=20.3545469

QSO
?
4 images + Ring(R~0.95''),
1.3'', 1.8''

z(lens)=0.8809
galaxy with ellipticity< 0.1

The source is double, very red. Unresolved arc component.
IR data: [1]
 
[3]: MERLIN 5GHz A1 A2 B1 B2 B3 C1 C2 Total
peak flux, mJy/beam 11.9 4.2 32.6 10.5 2.7 48.9 47.9 -
total flux, mJy 12.5 4.2 40 12 9 227(C1+C2) see C1 305
total polarization, % 8 - 6 - - 14.3 15.3 -
[3]: MERLIN 1.612 GHz A B1 B2 C1 C2 Total
peak flux, mJy/beam 25.7 63.7 30.1 155.9 142.0 -
total flux, mJy 37.5 130(B1+B2) see B1 368(C1+C2) see C1 553
total polarization, % - - - 1.4 1.4 -
VLA 15 GHz A B1 B2 C Total
peak flux, mJy/beam 5.9 18.9 4.3 62.7 -
total flux, mJy 6.9 24(B1+B2) see B1 109 141
otal polarization, % - 6 - 15 -
VLA 22 GHz A B C Total
peak flux, mJy/beam 2.7 17 27.3 -
total flux, mJy 2.7 17 66 88

Total flux at 5 GHz: 316 mJy; 1.4 GHz: 576 mJy

Literature:
[1]: astro-ph/9601184
[2]:Tornby, Kochanek, AJ 119, 1078-1082
[3]:"Multifrequency radio observations of the gravitational lens system 1938+666", King et al., MNRAS 289, 450-456 (1997)
[4]:"Infrared counterpart of the gravitational lens 1938+666", Rhoads et al., AJ 111, 624 (1996)
Peactures:
MERLIN 5 GHz, MERLIN 1.6 GHz, VLA 15 GHz, VLA 22 GHz maps: Fig1(1-d)[3]
VLBI 1.7 GHz: Fig2ab[3] 

B2114+022
CASTLES source
PKS B2114+022 (z=0.32)
J2116+0225
21h 16m 50.75s
+02d 25m 46.9s (J2000)

l=53.8625651
b=-30.5127420

z(source1)=0.357
z(source2)=0.58830
2+2?
2.57''

z(lens)=0.072
galaxy

The image consists of 4 components. 1,2,3 are located closely one together (R<0.3''), the distance to 4th is ~2.4''
Total flux at 5 GHz: 141 mJy
For 1source (z=0.32):
 
2.7 GHz 4.85 GHz 5 GHz
200 210 230

Literature:

Peactures:

Candidates for gravitationally lensed radiosources (by materials astro-ph/0103291):

 

Name of the source

redshift 

Flux, mJy

Spectrum slope in 5-14 GHz

RXJ1028.6-0844 4.276 220 -0.16
PKS1251-407 4.460 240 -0.10
GB1428+4217 4.715 250 +0.13
GB1508+5714 4.301 280 +0.50
GB1713+2148 4.011 330 -0.23

helen@lukash.asc.rssi.ru

Modifications:
13 March 2003 (1 reference dedicated to modelling of lens is added).