2007A&A...461..813C


C.D.S. - SIMBAD4 rel 1.7 - 2021.05.13CEST18:56:18

2007A&A...461..813C - Astronomy and Astrophysics, volume 461, 813-821 (2007/1-3)

The CFHTLS strong lensing legacy survey. I. Survey overview and T0002 release sample.

CABANAC R.A., ALARD C., DANTEL-FORT M., FORT B., GAVAZZI R., GOMEZ P., KNEIB J.P., LE FEVRE O., MELLIER Y., PELLO R., SOUCAIL G., SYGNET J.F. and VALLS-GABAUD D.

Abstract (from CDS):

We present data from the CFHTLS Strong Lensing Legacy Survey (SL2S). Due to the unsurpassed combined depth, area and image quality of the Canada-France-Hawaii Legacy Survey it is becoming possible to uncover a large, statistically well-defined sample of strong gravitational lenses which spans the dark halo mass spectrum predicted by the concordance model from galaxy to cluster haloes. We describe the development of several automated procedures to find strong lenses of various mass regimes in CFHTLS images. The preliminary sample of about 40 strong lensing candidates discovered in the CFHTLS T0002 release, covering an effective field of view of 28deg2 is presented. These strong lensing systems were discovered using an automated search and consist mainly of gravitational arc systems with splitting angles between 2 and 15arcsec. This sample shows for the first time that it is possible to uncover a large population of strong lenses from galaxy groups with typical halo masses of about 1013h–1M. We discuss the future evolution of the SL2S project and its main scientific aims for the next 3-years, in particular our observational strategy to extract the hundreds of gravitational rings also present in these fields.

Abstract Copyright:

Journal keyword(s): gravitational lensing - surveys - cosmology: dark matter - galaxies: fundamental parameters - galaxies: clusters: general - galaxies: halos

Nomenclature: Table 2: SL2S JHHMMSS+DDMMSS N=43.

Simbad objects: 46

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Number of rows : 46

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 SL2S J021258-051809 gLe 02 12 58.114 -05 18 09.17           ~ 1 0
2 SL2S J021301-043605 gLe 02 13 01.862 -04 36 05.46           ~ 1 0
3 SL2S J021308-053726 gLe 02 13 08.693 -05 37 26.11           ~ 1 0
4 SL2S J021311-041015 gLe 02 13 11.261 -04 10 15.98           ~ 1 0
5 SL2S J021408-053532 gLe 02 14 08.070 -05 35 32.39           ~ 8 0
6 SL2S J021411-040502 gLe 02 14 11.240 -04 05 02.71         19.07 ~ 14 0
7 SL2S J021416-050315 gLe 02 14 16.579 -05 03 15.51           ~ 3 0
8 SL2S J021613-061858 gLe 02 16 13.991 -06 18 58.91           ~ 1 0
9 [SMR2006] VLA J021737-05134 rG 02 17 37.14752 -05 13 29.5242         19.12 ~ 35 0
10 SL2S J021807-051536 G 02 18 07.290 -05 15 36.16           ~ 6 0
11 SL2S J021932-053135 gLe 02 19 32.029 -05 31 35.46           ~ 2 0
12 SL2S J021956-052759 gLe 02 19 56.420 -05 27 59.21           ~ 3 0
13 SL2S J022315-062904 gLe 02 23 15.410 -06 29 06.40           ~ 3 0
14 SL2S J022345-042402 gLe 02 23 45.401 -04 24 02.16           ~ 2 0
15 SL2S J022532-045100 gLe 02 25 31.990 -04 51 00.22           ~ 2 0
16 SL2S J022914-065940 gLe 02 29 14.265 -06 59 40.36           ~ 1 0
17 SL2S J023011-055023 gLe 02 30 11.647 -05 50 23.64           ~ 2 0
18 GAMA 3882191 G 08 54 46.550 -01 21 37.08           ~ 16 0
19 SL2S J090407-005952 gLe 09 04 07.970 -00 59 52.85           ~ 10 0
20 COSMOS 2009527 G 10 00 09.75 +02 24 55.8 23.90 22.76 21.280 20.620 19.965 ~ 5 0
21 COSMOS 2028218 G 10 00 12.6312 +02 20 15.800 23.488 22.41 21.002 20.288 19.611 ~ 6 0
22 2XMM J100013.9+022248 AGN 10 00 13.929 +02 22 49.58         18.553 ~ 30 0
23 COSMOS 2710213 G 10 00 18.48 +02 38 45.8   27.575 24.69 23.87 22.96 ~ 4 0
24 COSMOS 1578539 G 10 00 56.792 +02 12 25.94   22.197 21.035   18.78 ~ 11 0
25 8C 0958+561 QSO 10 01 20.6915852239 +55 53 55.595776916   17.16 16.95     ~ 705 3
26 COSMOS 1897833 G 10 01 48.13 +02 23 25.2 23.547 22.42 20.950 20.250 19.624 ~ 5 0
27 COSMOS 1532527 G 10 02 08.52 +02 14 22.5 24.29 23.18 21.765 21.040 20.378 ~ 5 0
28 COSMOS 1543495 G 10 02 11.220 +02 11 39.46 25.99 25.29 23.65 22.71 21.491 ~ 4 0
29 COSMOS 2229569 G 10 02 16.86 +02 29 55.2 25.34 24.04 22.44 21.585 20.530 ~ 4 0
30 COSMOS 2207902 G 10 02 21.100 +02 34 40.00           ~ 2 0
31 ACO 1689 ClG 13 11 29.5 -01 20 28           ~ 1043 0
32 SL2S J141447+544703 gLe 14 14 45.498 +54 47 00.03           ~ 6 0
33 SL2S J141558+523955 gLe 14 15 58.182 +52 39 55.92           ~ 1 0
34 DEEP2-GRS 13005485 G 14 18 07.97 +52 49 24.0   21.479   19.225 18.703 ~ 5 0
35 ClG J1419+5326 ClG 14 19 10.3 +53 26 08           ~ 20 0
36 SL2S J141912+532612 G 14 19 12.170 +53 26 11.44           ~ 6 0
37 SL2S J142028+521303 gLe 14 20 28.799 +52 13 03.54           ~ 1 0
38 [TCB2007] 13025503 AGN 14 20 31.89 +52 58 22.3   21.81   19.577 18.953 ~ 11 0
39 SL2S J142032+530107 gLe 14 20 32.147 +53 01 07.13           ~ 1 0
40 SL2S J142057+530843 gLe 14 20 57.684 +53 08 43.81           ~ 1 0
41 DEEP2-GRS 13047947 G 14 22 07.61 +53 10 13.9   21.005   19.752 19.258 ~ 3 0
42 SL2S J142209+524652 gLe 14 22 09.268 +52 46 52.42           ~ 1 0
43 SL2S J142258+512440 gLe 14 22 58.340 +51 24 39.50           ~ 3 0
44 [LCG2009] SL2S Group J14300+5546 GrG 14 30 00.660 +55 46 47.87           ~ 7 0
45 [LCG2009] SL2S Group J14314+5533 GrG 14 31 39.744 +55 33 22.71           ~ 6 0
46 SL2S J143141+513143 gLe 14 31 41.829 +51 31 43.71           ~ 1 0

    Equat.    Gal    SGal    Ecl

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2021.05.13-18:56:18

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