1999AJ....117.2034T

Query : 1999AJ....117.2034T

1999AJ....117.2034T - Astron. J., 117, 2034-2038 (1999/May-0)

Redshifts of the gravitational lenses MG 0414+0534 and MG 0751+2716.

TONRY J.L. and KOCHANEK C.S.

Abstract (from CDS):

We report redshifts in two gravitational lens systems, MG 0414+0534 and MG 0751+2716. The lens galaxy in MG 0414+0534 lies at zl=0.9584±0.0002. The luminosity and extreme red color of the lens are thus typical of a passively evolving early-type ∼2L* galaxy. The galaxy cannot have a significant global mean extinction without being anomalously luminous. The lens galaxy in MG 0751+2716 has a redshift of zl=0.3502±0.0003, and it is a member of a small group. The group includes the nearby bright companion galaxy whose redshift we confirmed to be z=0.3501±0.0001 and a nearby emission-line galaxy with z=0.3505±0.0003. A second emission-line galaxy with z=0.5216±0.0001 was found nearly superposed on the first emission-line galaxy. The source in MG 0751+2716 is a zs=3.200±0.001 radio quasar. For flat universes with Ω0=1.0 (0.3), 96% (87%) of lenses like MG 0414+0534 and 7% (3%) of lenses like MG 0751+2716 are expected to have lower lens redshifts than observed.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Distance Scale - Cosmology: Gravitational Lensing - quasars: individual (<&smb.query " [****UnclosedBrace??****]objC{MITG J0414+0534}{MG 0414+0534}, MG 0751+2716 (read: MITG J0751+2716)) [****ClosingBrace(s)Inserted****]objCMITG J0414+0534MG 0414+0534, MG 0751+2716 (read: MITG J0751+2716)"|" (read: [****UnclosedBrace??****]objC{MITG J0414+0534}{MG 0414+0534}, "MG 0751+2716 (read: MITG J0751+2716)") [****ClosingBrace(s)Inserted****]objCMITG J0414+0534MG 0414+0534, "MG 0751+2716 (read: MITG J0751+2716)")">

Nomenclature: [LBC97] GN (Nos G6-G7) added.

Simbad objects: 17

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Number of rows : 17
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 [HTL92] C LeI 04 14 37.64 +05 34 42.7           ~ 43 0
2 [HTL92] MG J0414+0534 system gLS 04 14 37.7 +05 34 42           ~ 23 0
3 [HTL92] G G 04 14 37.70 +05 34 43.0     24.4     ~ 37 1
4 [HTL92] B LeI 04 14 37.73 +05 34 44.3     25.5     ~ 48 0
5 4C 05.19 QSO 04 14 37.76734974 +05 34 42.3295956   24.100 23.800 21.270   ~ 371 2
6 [HTL92] A1 LeI 04 14 37.77 +05 34 42.4           ~ 48 0
7 [HTL92] A2 LeI 04 14 37.78 +05 34 42.8           ~ 47 0
8 [LBC97] G1 G 07 51 41.07 +27 16 32.8           ~ 9 1
9 [LBC97] G6 G 07 51 41.41 +27 16 29.0           ~ 4 0
10 QSO J0751+2716 QSO 07 51 41.517 +27 16 31.79     18.7     ~ 86 2
11 [LBC97] G3 G 07 51 41.52 +27 16 31.7           ~ 7 1
12 8C 0958+561 QSO 10 01 20.6918953728 +55 53 55.593949272   17.16 16.95     ~ 757 3
13 QSO B1115+080A QSO 11 18 16.951 +07 45 58.23   16.61 16.44     ~ 703 2
14 QSO B1422+2309 BLL 14 24 38.0938 +22 56 00.587   16.77 15.84 14.79   ~ 464 1
15 [PBW92] 1422+231 gLS 14 24 38.09400 +22 56 00.5900   16.77 15.84 14.79   ~ 359 0
16 HD 227757 * 20 07 12.7698932544 +36 21 33.434934012 8.63 9.41 9.27     O9.5V 64 0
17 [LBC97] G7 G ~ ~           ~ 2 0

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