1999AJ....117.2565M

Query : 1999AJ....117.2565M

1999AJ....117.2565M - Astron. J., 117, 2565-2572 (1999/June-0)

CLASS B1152+199 and B1359+154: two new gravitational lens systems discovered in the cosmic lens all-sky survey.

MYERS S.T., RUSIN D., FASSNACHT C.D., BLANDFORD R.D., PEARSON T.J., READHEAD A.C.S., JACKSON N., BROWNE I.W.A., MARLOW D.R., WILKINSON P.N., KOOPMANS L.V.E. and DE BRUYN A.G.

Abstract (from CDS):

The third phase of the Cosmic Lens All-Sky Survey (CLASS) has recently been completed, bringing the total number of sources imaged to over 15,000 in the CLASS and Jodrell-VLA Astrometric Survey combined survey. In the VLA observations carried out in 1998 March and April, two new candidate lensed systems were discovered: CLASS B1152+199 and B1359+154. B1152+199 is a 1".6 double, with a background quasar at z=1.019 lensed by a foreground galaxy at z=0.439. The relatively flat radio spectra of the lensed images (α14.948.46=-0.32), combined with a previous ROSAT detection of the source, make B1152+199 a strong candidate for time delay studies at both radio and X-ray wavelengths. B1359+154 is a quadruply lensed quasar at z=3.235, with a maximum image separation of 1".7. As yet, the redshift of the lensing object in this system is undetermined. The steep spectral index of the source (α14.948.46=-0.9) suggests that B1359+154 will not exhibit strong variability and is therefore unlikely to be useful for determining H0 from measured time delays.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Gravitational Lensing

Nomenclature: Table 1: [MRF99] CLASS B1152+199 A (Nos A-C). Table 2: [MRF99] CLASS B1359+154 A (Nos A-F).

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 20

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Number of rows : 20
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 QSO B0710+439 QSO 07 13 38.16413557 +43 49 17.2072102   20.7       ~ 256 0
3 Feige 34 HS* 10 39 36.7358839104 +43 06 09.212615280 9.613 10.91 11.14 11.319 11.464 sdOp 731 0
4 [MRF99] CLASS B1152+199 C LeI 11 55 16.6628 +19 39 42.086           ~ 1 0
5 [VV2000] J115518.3+193942 QSO 11 55 18.2955044232 +19 39 42.228456840   17.15 16.89     ~ 100 2
6 [RNB2002] A LeI 11 55 18.2971 +19 39 42.230           ~ 10 0
7 [RNB2002] G G 11 55 18.33 +19 39 41.4           ~ 23 1
8 [RNB2002] B LeI 11 55 18.3633 +19 39 40.982           ~ 10 0
9 BD+18 2647 HS* 12 41 51.7899961800 +17 31 19.750566756 10.261 11.70 11.63 11.969 12.159 sdOpec 185 1
10 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
11 [MRF99] CLASS B1359+154 B LeI 14 01 35.5157 +15 13 24.387           ~ 4 0
12 [MRF99] CLASS B1359+154 C LeI 14 01 35.5281 +15 13 23.981           ~ 4 0
13 [MRF99] CLASS B1359+154 A LeI 14 01 35.5495 +15 13 25.643           ~ 4 0
14 [MRF99] CLASS B1359+154 F LeI 14 01 35.5797 +15 13 24.688           ~ 4 0
15 QSO B1359+154 QSO 14 01 35.588 +15 13 24.15     21.90     ~ 73 1
16 [MRF99] CLASS B1359+154 E LeI 14 01 35.5921 +15 13 24.505           ~ 4 0
17 [MRF99] CLASS B1359+154 D LeI 14 01 35.6157 +15 13 24.271           ~ 4 0
18 NVSS J160914+653229 rG 16 09 13.93704 +65 32 27.9024     19.4     ~ 215 0
19 QSO B1946+708 BLL 19 45 53.51966298 +70 55 48.7285673   18.726 16.70 17.199   ~ 147 2
20 [VV2000] J204719.3+264340 QSO 20 47 20.3 +26 44 03     20.60     ~ 112 2

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