CDS

2013A&A...552A..80M

Query : 2013A&A...552A..80M

2013A&A...552A..80M - Astronomy and Astrophysics, volume 552A, 80-80 (2013/4-1)

Dynamical analysis of strong-lensing galaxy groups at intermediate redshift.

MUNOZ R.P., MOTTA V., VERDUGO T., GARRIDO F., LIMOUSIN M., PADILLA N., FOEX G., CABANAC R., GAVAZZI R., BARRIENTOS L.F. and RICHARD J.

Abstract (from CDS):

We present VLT spectroscopic observations of seven newly discovered galaxy groups between 0.3<z<0.7. The groups were selected from the Strong Lensing Legacy Survey (SL2S), a survey that consists of a systematic search for strong lensing systems in the Canada-France-Hawaii Telescope Legacy Survey (CFHTLS). We give details about the target selection, spectroscopic observations, and data reduction for the first release of confirmed SL2S groups. The dynamical analysis of the systems reveals that they are gravitationally bound structures, with at least 4 confirmed members and velocity dispersions between 300 and 800km/s. Their virial masses are between 1013 and 1014M☉, so they can be classified as groups or low mass clusters. Most of the systems are isolated groups, except two of them that show evidence of an ongoing merger of two substructures. We find that weak lensing estimates of the group velocity dispersions are 50% greater than estimates based upon the radial velocities of its members, and conclude that the dynamics of baryonic matter is a good tracer of the total mass content in galaxy groups.

Abstract Copyright: ∼

Journal keyword(s): galaxies: groups: general - galaxies: kinematics and dynamics - galaxies: evolution - galaxies: high-redshift

Nomenclature: Tables 1-2: [LCG2009] SL2S Group JHHMMS+DDMM N=4 added. Table B.1: [MMV2013] DD.dddddd+DD.dddddd N=66.

Simbad objects: 75

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Number of rows : 75
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023 		#notes
1 [LCG2009] SL2S Group J02132-0743 GrG 02 13.2 -07 43           ~ 1 0
2 [MMV2013]33.479259-05.613928 G 02 13 55.022 -05 36 50.14           ~ 2 0
3 [MMV2013]33.484375-05.623324 G 02 13 56.250 -05 37 23.97           ~ 2 0
4 [MMV2013]33.500538-05.558484 G 02 14 00.129 -05 33 30.54           ~ 2 0
5 [MMV2013]33.512367-05.573329 G 02 14 02.968 -05 34 23.98           ~ 2 0
6 [MMV2013]33.512501-04.099202 G 02 14 03.000 -04 05 57.13           ~ 1 0
7 DES J021403.09-053548.7 GiC 02 14 03.042 -05 35 48.47           ~ 3 0
8 DES J021403.65-053439.3 GiC 02 14 03.633 -05 34 39.33           ~ 3 0
9 [MMV2013]33.519188-05.601521 G 02 14 04.605 -05 36 05.48           ~ 2 0
10 [MMV2013]33.522072-04.091465 G 02 14 05.297 -04 05 29.27           ~ 1 0
11 SDSS J021407.33-053541.3 GiC 02 14 07.331 -05 35 41.34           ~ 5 0
12 [MMV2013]33.531372-05.569443 G 02 14 07.529 -05 34 09.99           ~ 1 0
13 [LCG2009] SL2S Group J02140-0535 GrG 02 14 08.03 -05 35 32.3           ~ 2 0
14 DES J021408.04-053530.9 GiC 02 14 08.040 -05 35 30.95           ~ 5 0
15 DES J021408.13-053533.7 GiC 02 14 08.107 -05 35 33.48           ~ 4 0
16 GAMA J021408.89-053458.4 G 02 14 08.866 -05 34 58.32           ~ 3 0
17 DES J021409.74-053504.4 GiC 02 14 09.702 -05 35 04.11           ~ 3 0
18 [MMV2013]33.546135-05.607511 G 02 14 11.072 -05 36 27.04           ~ 2 0
19 [LCG2009] SL2S Group J02141-0405 GrG 02 14 11.21 -04 05 02.8           ~ 1 0
20 [MMV2013]33.547485-04.083448 G 02 14 11.396 -04 05 00.41           ~ 1 0
21 [MMV2013]33.548416-04.083041 G 02 14 11.620 -04 04 58.95           ~ 1 0
22 GAMA 1196169 G 02 14 11.739 -05 36 59.26           ~ 3 0
23 [MMV2013]33.550777-05.551144 G 02 14 12.186 -05 33 04.12           ~ 2 0
24 [MMV2013]33.551716-04.081113 G 02 14 12.412 -04 04 52.01           ~ 1 0
25 [MMV2013]33.552521-04.079994 G 02 14 12.605 -04 04 47.98           ~ 1 0
26 [MMV2013]33.578384-04.060563 G 02 14 18.812 -04 03 38.03           ~ 1 0
27 [MMV2013]34.518215-05.283539 G 02 18 04.372 -05 17 00.74           ~ 1 0
28 CANDELS UDS F160W J021807.28-051536.0 G 02 18 07.290 -05 15 36.16   23.749 22.282 21.324   ~ 8 0
29 CANDELS UDS F160W J021807.59-051535.6 G 02 18 07.598 -05 15 35.74   24.377 22.791 21.776   ~ 4 0
30 CANDELS UDS F160W J021807.67-051541.8 G 02 18 07.673 -05 15 41.84   24.627 23.073 22.060   ~ 3 0
31 CANDELS UDS F160W J021807.71-051537.4 G 02 18 07.726 -05 15 37.67   24.416 22.853 21.851   ~ 3 0
32 [MMV2013]34.536358-05.252573 G 02 18 08.726 -05 15 09.26           ~ 1 0
33 [MMV2013]34.538578-05.285957 G 02 18 09.259 -05 17 09.45           ~ 1 0
34 CANDELS UDS F160W J021810.08-051533.4 G 02 18 10.087 -05 15 33.52   23.265 22.439 21.610   ~ 4 0
35 [LCG2009] SL2S Group J02180-0515 GrG 02 18 10.09 -05 15 33.5           ~ 1 0
36 [MMV2013]34.546001-05.258788 G 02 18 11.040 -05 15 31.64           ~ 1 0
37 [MMV2013]34.561638-05.247695 G 02 18 14.793 -05 14 51.70           ~ 1 0
38 [MMV2013]34.564087-05.246713 G 02 18 15.381 -05 14 48.17           ~ 1 0
39 [MCM2012] SA39 lens G 02 21 51.180 -06 47 32.66           ~ 3 0
40 [LCG2009] SL2S Group J02215-0647 GrG 02 21 51.183 -06 47 32.79           ~ 4 0
41 [MMV2013]35.464710-06.774853 G 02 21 51.530 -06 46 29.47           ~ 1 0
42 [MMV2013]35.477470-06.788154 G 02 21 54.593 -06 47 17.35           ~ 1 0
43 [MMV2013]35.481045-06.780771 G 02 21 55.451 -06 46 50.78           ~ 1 0
44 [MMV2013] 133.651199-01.322610 G 08 54 36.288 -01 19 21.40           ~ 1 0
45 [MMV2013] 133.680481-01.334525 G 08 54 43.315 -01 20 04.29           ~ 1 0
46 [MMV2013] 133.681519-01.383398 G 08 54 43.565 -01 23 00.23           ~ 1 0
47 [MMV2013] 133.687943-01.361066 G 08 54 45.106 -01 21 39.84           ~ 1 0
48 [MMV2013] 133.693802-01.361807 G 08 54 46.512 -01 21 42.51           ~ 1 0
49 GAMA 3882191 G 08 54 46.5391890528 -01 21 36.952641324           ~ 19 0
50 [LCG2009] SL2S Group J08544-0121 GrG 08 54 46.5480 -01 21 37.262           ~ 8 0
51 [MMV2013] 133.694809-01.337374 G 08 54 46.754 -01 20 14.55           ~ 1 0
52 [MMV2013] 133.698608-01.356661 GiC 08 54 47.666 -01 21 23.98           ~ 2 0
53 [MMV2013] 133.698975-01.384341 G 08 54 47.754 -01 23 03.63           ~ 1 0
54 [MMV2013] 133.699173-01.361177 G 08 54 47.802 -01 21 40.24           ~ 1 0
55 [MMV2013] 133.700745-01.380287 G 08 54 48.179 -01 22 49.03           ~ 1 0
56 [MMV2013] 133.702240-01.361963 GiC 08 54 48.538 -01 21 43.07           ~ 2 0
57 [MMV2013] 133.703308-01.342510 G 08 54 48.794 -01 20 33.04           ~ 1 0
58 [MMV2013] 133.708832-01.363143 GiC 08 54 50.0753100864 -01 21 47.184809292           ~ 3 0
59 [MMV2013] 133.709595-01.387739 G 08 54 50.303 -01 23 15.86           ~ 1 0
60 [MMV2013] 133.726212-01.384477 G 08 54 54.291 -01 23 04.12           ~ 1 0
61 [MMV2013] 133.728638-01.373227 G 08 54 54.873 -01 22 23.62           ~ 1 0
62 [MMV2013] 133.742172-01.371531 G 08 54 58.121 -01 22 17.51           ~ 1 0
63 [MMV2013] 134.792923-03.766603 G 08 59 10.302 -03 45 59.77           ~ 1 0
64 [MMV2013] 134.805069-03.747538 G 08 59 13.217 -03 44 51.14           ~ 1 0
65 [LCG2009] SL2S Group J08591-0345 GrG 08 59 14.4576 -03 45 14.478           ~ 3 0
66 [MCM2012] SA72 lens G 08 59 14.550 -03 45 14.85           ~ 2 0
67 [MMV2013] 134.812363-03.751204 G 08 59 14.967 -03 45 04.33           ~ 1 0
68 [MMV2013] 134.817093-03.740146 G 08 59 16.102 -03 44 24.53           ~ 1 0
69 [MMV2013] 145.393402-10.982292 G 09 41 34.416 -10 58 56.25           ~ 1 0
70 [LCG2009] SL2S Group J09413-1100 GrG 09 41 34.747 -11 00 54.33           ~ 5 0
71 [MMV2013] 145.394897-11.015464 G 09 41 34.775 -11 00 55.67           ~ 1 0
72 [MMV2013] 145.401794-11.050273 G 09 41 36.431 -11 03 00.98           ~ 1 0
73 [MMV2013] 145.402603-11.041045 G 09 41 36.625 -11 02 27.76           ~ 1 0
74 [MMV2013] 145.425903-11.059779 G 09 41 42.217 -11 03 35.20           ~ 1 0
75 [FKA2008] B2108 GrG 21 10 53.30 +21 31 09.0           ~ 2 0

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2023.03.28-05:12:23

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