2011A&A...529A..72F


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.08CEST04:20:18

2011A&A...529A..72F - Astronomy and Astrophysics, volume 529A, 72-72 (2011/5-1)

On the evolution of environmental and mass properties of strong lens galaxies in COSMOS.

FAURE C., ANGUITA T., ALLOIN D., BUNDY K., FINOGUENOV A., LEAUTHAUD A., KNOBEL C., KNEIB J.-P., JULLO E., ILBERT O., KOEKEMOER A.M., CAPAK P., SCOVILLE N. and TASCA L.A.M.

Abstract (from CDS):

Nearly 100 new strong-lens candidates have been discovered in the COSMOS field. Among these, 20 lens candidates with 0.34≲zlens≲1.13 feature multiple images of background sources. Using the multi-wavelength coverage of the field and its spectroscopic follow-up, we characterize the evolution with redshift of the environment and of the dark-matter (DM) fraction of the lens galaxies.We present spectroscopic and new photometric redshifts of the strong-lens candidates. The lens environment is characterized in the following way: we account for the projected 10 closest galaxies around each lens and for galaxies with a projected distance less than 1 Mpc at the lens galaxy redshift. In both cases, we perform similar measurements on a control sample of ``twin'' non-lens early-type galaxies (ETGs). In addition, we identify group members and field galaxies in the X-ray and optical catalogs of galaxy groups and clusters. From those catalogs, we measure the external shear contribution of the groups/clusters surrounding the lens galaxies. The systems are then modeled using a singular isothermal ellipsoid for the lens galaxies plus the external shear produced by the groups/clusters. We observe that the average stellar mass of lens galaxies increases with redshift. In addition, we measure that the environment of lens galaxies is compatible with that of the twins over the whole redshift range tested here. During the lens modeling, we notice that when let free, the external shear points in a direction which is the mean direction of the external shear produced by the groups/clusters and of the closest galaxy to the lens. We also notice that the DM fraction of the lens galaxies measured within the Einstein radius significantly decreases as the redshift increases. Given these observations, we conclude that while the environment of lens galaxies is compatible with that of non-lens ETGS over a wide range of redshifts, their mass properties evolves significantly with redshift: it is still not clear whether this advocates in favor of a stronger lensing bias toward massive objects at high redshift or if it is simply representative of the high proportion of massive and high stellar density galaxies at high redshift.

Abstract Copyright:

Journal keyword(s): gravitational lensing: strong

Nomenclature: Table 2: [FAA2011] DDD.ddddd+DD.ddddddd N=27. Figs 7-11, Table 6: [FAA2011] COSMOS MMSS+MMSS AN N=34.

Simbad objects: 82

goto Full paper

goto View the reference in ADS

Number of rows : 82

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 [FKC2008] COSMOS 5737+3424 gLS 09 57 37.0 +02 34 24           ~ 2 0
2 [FKC2008] COSMOS 5857+5949 gLS 09 58 57.0 +01 59 49           ~ 3 0
3 [FAA2011] COSMOS 5914+1219 A1 LeI 09 59 14.68 +02 12 19.1           ~ 1 0
4 [FKC2008] COSMOS 5914+1219 gLS 09 59 14.7 +02 12 19           ~ 3 0
5 [FAA2011] COSMOS 5914+1219 A2 LeI 09 59 14.82 +02 12 21.0           ~ 1 0
6 [FAA2011] COSMOS 5914+1219 A3 LeI 09 59 14.86 +02 12 20.1           ~ 1 0
7 [FKC2008] COSMOS 5921+0638 gLS 09 59 21.7 +02 06 38           ~ 7 0
8 [BMM2014] 1497739 G 09 59 30.945 +02 34 27.73 23.80 23.48 22.94 22.61 21.829 ~ 11 0
9 [FAA2011] COSMOS 5941+3628 A3 LeI 09 59 41.22 +02 36 28.9           ~ 1 0
10 [FAA2011] COSMOS 5941+3628 A2 LeI 09 59 41.30 +02 36 27.7           ~ 1 0
11 [FKC2008] COSMOS 5941+3628 gLS 09 59 41.3 +02 36 28           ~ 3 0
12 [FAA2011] COSMOS 5941+3628 A1 LeI 09 59 41.30 +02 36 30.2           ~ 1 0
13 [FAA2011] COSMOS 5941+3628 A4 LeI 09 59 41.38 +02 36 28.9           ~ 1 0
14 [FAA2011] COSMOS 5947+4752 A2 LeI 09 59 47.74 +02 47 52.6           ~ 1 0
15 [FKC2008] COSMOS 5947+4752 gLS 09 59 47.8 +02 47 52           ~ 3 0
16 [FAA2011] COSMOS 5947+4752 A4 LeI 09 59 47.89 +02 47 50.3           ~ 1 0
17 [FAA2011] COSMOS 5947+4752 A3 LeI 09 59 47.89 +02 47 54.9           ~ 1 0
18 [FAA2011] COSMOS 5947+4752 A1 LeI 09 59 48.04 +02 47 52.6           ~ 1 0
19 UVISTADR1 J100000.79+022427.0 G 10 00 00.7968 +02 24 27.094 23.349 22.116 20.592 19.907 19.258 ~ 5 0
20 COSMOS2015 668341 G 10 00 03.7296 +02 18 37.923 22.477 22.103 21.235 20.677 20.175 ~ 7 0
21 COSMOS 2019576 rG 10 00 06.656 +02 22 25.94         17.37 ~ 17 0
22 ZFOURGE COSMOS 19739 GiC 10 00 07.560 +02 22 28.32   21.918     19.44 ~ 10 0
23 [MMS2013] 135184 G 10 00 12.5640 +02 23 01.441   23.041       ~ 4 0
24 [FKC2008] COSMOS 0012+2015 gLS 10 00 12.6 +02 20 15           ~ 3 0
25 COSMOS 2028218 G 10 00 12.6312 +02 20 15.800 23.488 22.41 21.002 20.288 19.611 ~ 5 0
26 [FKC2008] COSMOS 0013+2249 gLS 10 00 13.9 +02 22 49           ~ 3 0
27 ZFOURGE COSMOS 19164 G 10 00 15.626 +02 23 07.94 24.48 23.53 22.14 21.541 20.947 ~ 10 0
28 ZFOURGE COSMOS 17788 G 10 00 17.373 +02 22 04.51 22.771 22.110 20.791 20.275 19.675 ~ 10 0
29 ZFOURGE COSMOS 14031 G 10 00 17.739 +02 19 32.33 22.369 21.528 20.093 19.690 19.094 ~ 8 0
30 ZFOURGE COSMOS 16274 GiC 10 00 17.907 +02 20 54.59 22.848 21.929 20.448 20.100 19.567 ~ 10 0
31 [FAA2011] COSMOS 0018+3845 A2 LeI 10 00 18.32 +02 38 44.7           ~ 1 0
32 [FAA2011] COSMOS 0018+3845 A1 LeI 10 00 18.37 +02 38 43.8           ~ 1 0
33 [FKC2008] COSMOS 0018+3845 gLS 10 00 18.4 +02 38 45           ~ 3 0
34 [FAA2011] COSMOS 0018+3845 A3 LeI 10 00 18.4944 +02 38 45.636           ~ 2 0
35 ZFOURGE COSMOS 19065 G 10 00 18.823 +02 23 22.47 24.24 23.07 21.585 20.933 20.310 ~ 10 0
36 [FAA2011] 150.08210+02.3904710 G 10 00 19.7040 +02 23 25.696           ~ 1 0
37 [SWM2014] COSMOS 17456 G 10 00 20.552 +02 21 50.86 22.998 21.903 20.423 19.818 19.169 ~ 14 0
38 ZFOURGE COSMOS 19539 G 10 00 21.59 +02 23 01.1 24.14 23.41 22.12 21.344 20.493 ~ 6 0
39 [MMS2013] 135668 G 10 00 24.4632 +02 23 24.132 22.580 22.025 20.937 20.693 20.236 ~ 5 0
40 ZFOURGE COSMOS 16405 GiC 10 00 24.488 +02 21 09.06 22.355 21.421 19.874 19.529 18.967 ~ 11 0
41 ZFOURGE COSMOS 14607 G 10 00 27.543 +02 19 58.02 22.880 22.103 20.777 20.137 19.513 ~ 9 0
42 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 2066 0
43 [FKC2008] COSMOS 0038+4133 gLS 10 00 38.2 +02 41 33           ~ 4 0
44 [FAA2011] COSMOS 0038+4133 A1 LeI 10 00 38.28 +02 41 33.9           ~ 3 0
45 [FAA2011] COSMOS 0038+4133 A3 LeI 10 00 38.3 +02 41 33           ~ 1 0
46 [FAA2011] COSMOS 0038+4133 A2 LeI 10 00 38.3 +02 41 33           ~ 1 0
47 [FAA2011] COSMOS 0038+4133 A4 LeI 10 00 38.3 +02 41 35           ~ 1 0
48 [FAA2011] 150.18165+01.8552841 G 10 00 43.59 +01 51 19.0   20.909 20.095     ~ 2 0
49 UVISTADR1 J100047.42+015138.3 G 10 00 47.4192 +01 51 38.407 22.255 21.829 20.849 20.643 20.266 ~ 4 0
50 [FAA2011] COSMOS 0047+5023 A1 LeI 10 00 47.56 +01 50 22.1           ~ 1 0
51 [FKC2008] COSMOS 0047+5023 gLS 10 00 47.6 +01 50 23           ~ 3 0
52 [FAA2011] COSMOS 0047+5023 A4 LeI 10 00 47.66 +01 50 24.2           ~ 1 0
53 [FAA2011] COSMOS 0047+5023 A2 LeI 10 00 47.67 +01 50 21.7           ~ 1 0
54 [FAA2011] COSMOS 0047+5023 A3 LeI 10 00 47.80 +01 50 22.9           ~ 1 0
55 [FAA2011] COSMOS 0049+5128 A2 LeI 10 00 48.89 +01 51 30.1           ~ 1 0
56 [FAA2011] COSMOS 0049+5128 A4 LeI 10 00 49.13 +01 51 28.1           ~ 1 0
57 [FKC2008] COSMOS 0049+5128 gLS 10 00 49.2 +01 51 28           ~ 3 0
58 COSMOS 904829 G 10 00 49.2624 +01 51 28.090 23.89 22.78 21.334 20.677 20.121 ~ 4 0
59 [FAA2011] COSMOS 0049+5128 A1 LeI 10 00 49.27 +01 51 21.9           ~ 1 0
60 [FAA2011] COSMOS 0049+5128 A3 LeI 10 00 49.27 +01 51 26.0           ~ 1 0
61 UVISTADR1 J100049.87+015256.2 G 10 00 49.8696 +01 52 56.290 23.031 22.96 22.53 22.29 21.705 ~ 3 0
62 2XMM J100049.9+015230 QSO 10 00 49.9709160546 +01 52 31.182438884   20.991 20.816   20.579 ~ 26 0
63 [FAA2011] COSMOS 0050+4901 A3 LeI 10 00 50.55 +02 49 01.1           ~ 2 0
64 [FAA2011] COSMOS 0050+4901 A2 LeI 10 00 50.55 +02 49 03.0           ~ 2 0
65 [FKC2008] COSMOS 0050+4901 gLS 10 00 50.6 +02 49 01           ~ 6 0
66 [FAA2011] COSMOS 0050+4901 A4 LeI 10 00 50.67 +02 49 03.8           ~ 2 0
67 [FAA2011] COSMOS 0050+4901 A1 LeI 10 00 50.73 +02 49 02.6           ~ 2 0
68 UVISTADR1 J100052.39+015305.0 G 10 00 52.39 +01 53 05.1 24.60 23.78 22.33 21.509 20.456 ~ 4 0
69 UVISTADR1 J100055.81+015310.7 G 10 00 55.8144 +01 53 10.664 23.70 23.34 22.71 22.19 21.578 ~ 4 0
70 [BMM2014] 532225 G 10 00 56.070 +01 52 13.84 22.050 21.542 20.371 20.033 19.536 ~ 7 0
71 [FKC2008] COSMOS 0056+1226 gLS 10 00 56.7 +02 12 26           ~ 4 0
72 [FAA2011] COSMOS 0124+5121 A2 LeI 10 01 24.5 +01 51 20           ~ 1 0
73 [FAA2011] COSMOS 0124+5121 A4 LeI 10 01 24.5 +01 51 21           ~ 1 0
74 [FKC2008] COSMOS 0124+5121 gLS 10 01 24.5 +01 51 21           ~ 3 0
75 [FAA2011] COSMOS 0124+5121 A1 LeI 10 01 24.5 +01 51 22           ~ 1 0
76 [FAA2011] COSMOS 0124+5121 A3 LeI 10 01 24.6 +01 51 21           ~ 1 0
77 UVISTADR1 J100140.12+020040.7 G 10 01 40.12 +02 00 41.0 24.87 24.19 23.23 22.77 21.822 ~ 7 0
78 [FKC2008] COSMOS 0211+1139 gLS 10 02 11.2 +02 11 39           ~ 7 0
79 [FKC2008] COSMOS 0216+2955 gLS 10 02 16.8 +02 29 55           ~ 3 0
80 [FKC2008] COSMOS 0227+0451 gLS 10 02 27.5 +02 04 51           ~ 3 0
81 [FKC2008] COSMOS 0254+1430 gLS 10 02 54.0 +02 14 30           ~ 4 0
82 [FAA2011] 150.05808+02.3804333 G ~ ~           ~ 1 0

    Equat.    Gal    SGal    Ecl

To bookmark this query, right click on this link: simbad:objects in 2011A&A...529A..72F and select 'bookmark this link' or equivalent in the popup menu


2020.07.08-04:20:18

© Université de Strasbourg/CNRS

    • Contact