2001ApJ...546..769M

Query : 2001ApJ...546..769M

2001ApJ...546..769M - Astrophys. J., 546, 769-774 (2001/January-2)

Multifrequency analysis of the new wide-separation gravitational lens candidate RX J0921+4529.

MUNOZ J.A., FALCO E.E., KOCHANEK C.S., LEHAR J., McLEOD B.A., McNAMARA B.R., VIKHLININ A.A., IMPEY C.D., RIX H.-W., KEETON C.R., PENG C.Y. and MULLIS C.R.

Abstract (from CDS):

We report the discovery of a new two-image gravitational lens candidate. The system RX J0921+4529 contains two zs=1.66 quasars separated by 6".93 with an H-band magnitude difference of Δm=1.39. The HST NIC2 H-band images reveal an H=18.2 spiral galaxy between the quasar images, which is probably a member of a zl=0.32 X-ray cluster centered on the field. We detect an extended source near the fainter quasar image but not in the brighter image. If this extended source is the host galaxy of the fainter quasar, then the system is a binary quasar rather than a gravitational lens. VLA observations at 3.6 cm reveal emission from the lens galaxy at the flux level of 1 mJy and a marginal detection of the brighter quasar.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Gravitational Lensing - Galaxies: Quasars: Individual: Alphanumeric: RX J0921+4529

Nomenclature: Table 2: [MFK2001] A (Nos A, B, G), <%M [MFK2001] B'>, [MFK2001] ANN (Nos G1-G16, H1, T1-T4).

CDS comments: RX J0921+4529 = RX J0921.2+4529, HST 14176+5226 = [ROG95] J14176+5226, MG 2016+112 = [LBH86] 2016+112 = MITG J2019+1127, Cluster of G = [VMF98] 70.

Simbad objects: 32

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Number of rows : 32
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 B0908+0603 QSO 09 11 27.6052 +05 50 54.281   18.44 18.16     ~ 248 2
2 [MFK2001] G16 G 09 21 11.39 +45 29 04.6           ~ 1 0
3 [MFK2001] G8 G 09 21 12.42 +45 29 03.7           ~ 1 0
4 [MFK2001] G3 G 09 21 12.57 +45 29 13.6           ~ 1 0
5 [MFK2001] T2 G 09 21 12.68 +45 28 33.7           ~ 1 0
6 [MFK2001] G15 G 09 21 12.68 +45 29 16.0           ~ 1 0
7 [MFK2001] G13 G 09 21 12.74 +45 29 01.8           ~ 1 0
8 [MFK2001] A LeQ 09 21 12.81 +45 29 04.4           ~ 4 1
9 [MFK2001] G9 G 09 21 12.82 +45 29 07.7           ~ 1 0
10 [MFK2001] G5 G 09 21 12.83 +45 28 52.1           ~ 1 0
11 [VV2006] J092112.8+452905 QSO 09 21 12.8304560016 +45 29 03.987252096   19.09 18.71     ~ 38 2
12 [MFK2001] G12 G 09 21 12.90 +45 29 01.0           ~ 1 0
13 [MFK2001] G G 09 21 13.07 +45 29 03.5           ~ 2 1
14 ZwCl 0917+4548 ClG 09 21 13.2 +45 28 44           ~ 11 1
15 [MFK2001] G1 G 09 21 13.25 +45 28 52.6           ~ 1 0
16 [MFK2001] B' ? 09 21 13.40 +45 29 01.8           ~ 2 0
17 [MFK2001] B LeQ 09 21 13.41 +45 29 01.5           ~ 4 1
18 [MFK2001] G2 G 09 21 13.49 +45 28 56.5           ~ 1 0
19 [MFK2001] G6 G 09 21 13.52 +45 29 02.0           ~ 1 0
20 [MFK2001] G14 ? 09 21 13.60 +45 29 10.9           ~ 1 0
21 [MFK2001] G4 G 09 21 13.80 +45 29 18.5           ~ 1 0
22 [MFK2001] G11 G 09 21 13.81 +45 28 48.4           ~ 1 0
23 [MFK2001] T4 G 09 21 13.85 +45 28 15.1           ~ 1 0
24 [MFK2001] G10 G 09 21 14.46 +45 29 06.0           ~ 1 0
25 [MFK2001] G7 G 09 21 14.75 +45 29 04.5           ~ 1 0
26 [MFK2001] T3 G 09 21 14.95 +45 28 42.3           ~ 1 0
27 [MFK2001] T1 G 09 21 17.94 +45 28 13.7           ~ 1 0
28 8C 0958+561 QSO 10 01 20.6918953728 +55 53 55.593949272   17.16 16.95     ~ 757 3
29 QSO B1104-181 QSO 11 06 33.3845199936 -18 21 23.829049296   15.8 15.9 15.7   ~ 338 1
30 CFRS 14.1311 G 14 17 35.70 +52 26 45.9   24.04 21.53 21.38 19.971 ~ 63 1
31 [MMN2007] A1 gLS 14 17 35.9 +52 26 46     21.53   19.69 ~ 66 0
32 QSO B2016+112 QSO 20 19 18.2 +11 27 14     22.5     ~ 195 1

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