2010ApJ...712.1378P

Query : 2010ApJ...712.1378P

2010ApJ...712.1378P - Astrophys. J., 712, 1378-1384 (2010/April-1)

The Hubble constant inferred from 18 time-delay lenses.

PARAFICZ D. and HJORTH J.

Abstract (from CDS):

We present a simultaneous analysis of 18 galaxy lenses with time-delay measurements. For each lens, we derive mass maps using pixelated simultaneous modeling with shared Hubble constant. We estimate the Hubble constant to be 66+6–4 km/s/Mpc (for a flat universe with Ωm= 0.3, ΩΛ= 0.7). We have also selected a subsample of five relatively isolated early-type galaxies, and by simultaneous modeling with an additional constraint on isothermality of their mass profiles, we get H0= 76+3–3 km/s/Mpc.

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Journal keyword(s): cosmological parameters - gravitational lensing: strong

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 6C 021803+354230 BLL 02 21 05.4920852208 +35 56 13.848581904   20.0 20.0 19.60   ~ 603 3
2 [VV2006] J043814.8-122314 QSO 04 38 14.88 -12 17 14.6     17.15     ~ 245 2
3 QSO B0908+0603 QSO 09 11 27.6052 +05 50 54.281   18.44 18.16     ~ 248 2
4 QSO B0909+5312 QSO 09 13 01.031 +52 59 28.90   17.29 16.71     ~ 157 1
5 [VV98] J095122.6+263513 QSO 09 51 22.5840 +26 35 13.786   17.66 17.31     ~ 120 1
6 8C 0958+561 QSO 10 01 20.6918953728 +55 53 55.593949272   17.16 16.95     ~ 757 3
7 QSO J1004+4112 LeQ 10 04 34.9243842216 +41 12 42.771018060   19.14 19.03     ~ 206 1
8 QSO B1104-181 QSO 11 06 33.3845199936 -18 21 23.829049296   15.8 15.9 15.7   ~ 338 1
9 QSO B1115+080A QSO 11 18 16.951 +07 45 58.23   16.61 16.44     ~ 703 2
10 2MASS J11315154-1231588 Sy1 11 31 51.5387 -12 31 58.716           ~ 304 1
11 [VV2006] J120629.6+433217 QSO 12 06 29.6568052152 +43 32 17.587941108   17.93 17.74     ~ 48 0
12 QSO B1422+2309 BLL 14 24 38.0938 +22 56 00.587   16.77 15.84 14.79   ~ 464 1
13 [PBW92] 1422+231 gLS 14 24 38.09400 +22 56 00.5900   16.77 15.84 14.79   ~ 359 0
14 QSO B1520+530 QSO 15 21 44.8 +52 54 49   18.2       ~ 123 2
15 QSO B1600+4344 QSO 16 01 40.4818 +43 16 47.394   22.12 21.92     ~ 188 1
16 NVSS J160914+653229 rG 16 09 13.93704 +65 32 27.9024     19.4     ~ 215 0
17 QSO J1650+4251 QSO 16 50 43.4447423448 +42 51 49.367524032   17.78 17.58     ~ 67 1
18 QSO B1830-211 Bla 18 33 39.9399138048 -21 03 39.368838780     18.70 21   ~ 724 1
19 [VV2006] J203342.1-472343 QSO 20 33 42.12 -47 23 43.9           ~ 135 1
20 QSO B2149-2745 QSO 21 52 07.4534 -27 31 49.718   18.70 18.39     ~ 108 2

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