2004ApJ...605..614M

Query : 2004ApJ...605..614M

2004ApJ...605..614M - Astrophys. J., 605, 614-619 (2004/April-3)

The extinction law in high-redshift galaxies.

MUNOZ J.A., FALCO E.E., KOCHANEK C.S., McLEOD B.A. and MEDIAVILLA E.

Abstract (from CDS):

We estimate the dust extinction laws in two intermediate-redshift galaxies. The dust in the lens galaxy of LBQS 1009-0252, which has an estimated lens redshift of zl≃0.88, appears to be similar to that of the SMC, with no significant feature at 2175 Å. Only if the lens galaxy is at a redshift of zl≃0.3, which is completely inconsistent with the galaxy colors, luminosity, and location on the fundamental plane, can the data be fitted with a normal Galactic extinction curve. The dust in the zl=0.68 lens galaxy for B028+357, whose reddened image lies behind a molecular cloud, requires a very flat ultraviolet extinction curve with (formally) RV=12±2. Both lens systems seem to have unusual extinction curves by Galactic standards.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Observations - ISM: Dust, Extinction - Galaxies: ISM - Cosmology: Gravitational Lensing

CDS comments: In the abstract B028+357 is a misprint for B0218+357 (= CLASS B0218+357)

Simbad objects: 16

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Number of rows : 16
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 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
3 RORF 0218+35A LeI 02 21 05.4667 +35 56 13.730           ~ 35 0
4 6C 021803+354230 BLL 02 21 05.4920852208 +35 56 13.848581904   20.0 20.0 19.60   ~ 603 3
5 RORF 0218+35B LeI 02 21 05.5 +35 56 14           ~ 32 0
6 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
7 QSO B0909+5312 QSO 09 13 01.031 +52 59 28.90   17.29 16.71     ~ 157 1
8 QSO B1009-0252B LeQ 10 12 15.73 -03 07 02.4   20.8 20.5     ~ 14 0
9 LBQS 1009-0252 QSO 10 12 15.89 -03 07 03.1   18.82 18.71     ~ 75 1
10 QSO B1104-181 QSO 11 06 33.3845199936 -18 21 23.829049296   15.8 15.9 15.7   ~ 338 1
11 QSO J2240+0321 QSO 22 40 30.234 +03 21 30.63           ~ 705 1
12 Z 378-15 AGN 22 40 30.23447 +03 21 30.6290           ~ 636 0
13 QSO B2237+0305D LeI 22 40 30.28 +03 21 29.3   18.98       ~ 78 0
14 QSO B2237+0305B LeI 22 40 30.30 +03 21 30.5   17.82       ~ 78 0
15 QSO B2237+0305A LeI 22 40 30.34 +03 21 28.8   17.96       ~ 90 0
16 QSO B2237+0305C LeI 22 40 30.38 +03 21 30.0   18.66       ~ 81 0

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