2018ApJ...867..107W

Query : 2018ApJ...867..107W

2018ApJ...867..107W - Astrophys. J., 867, 107-107 (2018/November-2)

Survey of gravitationally lensed objects in HSC imaging (SuGOHI). II. Environments and line-of-sight structure of strong gravitational lens galaxies to z ∼ 0.8.

WONG K.C., SONNENFELD A., CHAN J.H.H., RUSU C.E., TANAKA M., JAELANI A.T., LEE C.-H., MORE A., OGURI M., SUYU S.H. and KOMIYAMA Y.

Abstract (from CDS):

We investigate the local and line-of-sight (LOS) overdensities of strong gravitational lens galaxies using wide-area multiband imaging from the Hyper Suprime-Cam Subaru Strategic Program. We present 41 new definite or probable lens candidates discovered in Data Release 2 of the survey. Using a combined sample of 87 galaxy-scale lenses out to a lens redshift of zL ∼ 0.8, we compare galaxy number counts in LOSs toward known and newly discovered lenses in the survey to those of a control sample consisting of random LOSs. We also compare the local overdensity of lens galaxies to a sample of "twin" galaxies that have similar redshift and velocity dispersion to test whether lenses lie in different environments from similar nonlens galaxies. We find that lens fields contain higher number counts of galaxies compared to the control fields, but this effect arises from the local environment of the lens. Once galaxies in the lens plane are removed, the lens LOSs are consistent with the control sample. The local environments of the lenses are overdense compared to the control sample, and are slightly overdense compared to those of the twin sample, although the significance is marginal. There is no significant evidence of the evolution of the local overdensity of lens environments with redshift.

Abstract Copyright: © 2018. The American Astronomical Society. All rights reserved.

Journal keyword(s): gravitational lensing: strong - large-scale structure of universe

VizieR on-line data: <Available at CDS (J/ApJ/867/107): table1.dat table2.dat table4.dat table6.dat table7.dat table8.dat table9.dat>

Simbad objects: 41

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Number of rows : 41
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 SDSS J015618.12-010747.1 G 01 56 18.1 -01 07 47           ~ 3 0
2 HSCS J015750-003818 Le? 01 57 50.4 -00 38 19           ~ 1 0
3 HSCS J093506-020031 Le? 09 35 06.3 -02 00 32           ~ 1 0
4 HSCS J094123+000446 Le? 09 41 23.0 +00 04 47           ~ 1 0
5 COSMOS2015 301719 G 09 57 50.11 +01 45 07.6 23.41 22.78 21.756 21.091 20.209 ~ 4 0
6 HSCS J100659+024735 Le? 10 06 59.3 +02 47 35           ~ 2 0
7 GAMA J114311.26-013935.4 G 11 43 11.3 -01 39 35           ~ 2 0
8 SDSS J122048.33+002145.9 G 12 20 48.330 +00 21 45.99           ~ 3 0
9 GAMA J122314.74-002939.7 G 12 23 14.7 -00 29 40     22.79     ~ 3 0
10 HSCS J123825+003212 G 12 38 25.0 +00 32 12     21.10     ~ 2 0
11 HSCS J124320-004517 gLe 12 43 20.8 -00 45 18     20.67     ~ 2 0
12 SDSS J125251.16+005805.8 G 12 52 51.168 +00 58 05.81           ~ 3 0
13 HSCS J125254+004356 gLe 12 52 54.6 +00 43 56           ~ 1 0
14 HSCS J134351+010817 Le? 13 43 52.0 +01 08 18           ~ 1 0
15 HSCS J135038+002550 G 13 50 38.2 +00 25 50     20.39     ~ 2 0
16 SDSS J135138.91+002839.9 BiC 13 51 38.918 +00 28 39.95           ~ 4 0
17 HSCS J135242-002614 rG 13 52 43.0 -00 26 14     20.29     ~ 3 0
18 HSCS J135853-021525 Le? 13 58 53.5 -02 15 26           ~ 1 0
19 GAMA 296619 G 14 10 01.05 +01 29 56.9           ~ 3 0
20 HSCS J142241+424608 Le? 14 22 41.2 +42 46 08           ~ 1 0
21 GAMA J142353.06+013446.8 G 14 23 53.1 +01 34 47           ~ 2 0
22 HSCS J145242+425731 gLe 14 52 42.9 +42 57 32           ~ 1 0
23 HSCS J145759+423019 Le? 14 57 59.2 +42 30 19           ~ 1 0
24 HSCS J151336+433251 Le? 15 13 36.8 +43 32 51           ~ 1 0
25 HSCS J220550+041524 Le? 22 05 50.2 +04 15 25           ~ 1 0
26 HSCS J221234+045456 Le? 22 12 34.5 +04 54 57           ~ 1 0
27 HSCS J221315+034536 Le? 22 13 15.3 +03 45 37           ~ 1 0
28 HSCS J224454+031551 Le? 22 44 54.9 +03 15 51           ~ 1 0
29 HSCS J224800-010259 Le? 22 48 00.71714 -01 02 59.6719           ~ 2 0
30 HSCS J225800+004533 G 22 58 00.6 +00 45 34     21.26     ~ 2 0
31 DES J230521.66-000211.5 gLe 23 05 21.66 -00 02 11.6     20.61     ~ 4 0
32 SDSS J230658.27+022543.1 BiC 23 06 58.2751746288 +02 25 43.143336660           ~ 5 0
33 SDSS J231004.70+024759.7 GiC 23 10 04.7058 +02 47 59.712           ~ 3 0
34 HSCS J231145-013039 Le? 23 11 45.1 -01 30 39           ~ 1 0
35 SDSS J231555.19+012906.0 GiC 23 15 55.1926 +01 29 06.049           ~ 3 0
36 HSCS J232415+011331 Le? 23 24 15.6 +01 13 32           ~ 1 0
37 DES J233130.48+003733.3 gLe 23 31 30.49 +00 37 33.4           ~ 2 0
38 HSCS J233146+013845 gLe 23 31 46.4 +01 38 46           ~ 1 0
39 HSCS J233230+003821 Le? 23 32 30.9 +00 38 22           ~ 1 0
40 SDSS J233311.11+022310.9 G 23 33 11.118 +02 23 10.94           ~ 3 0
41 HSCS J233528+001355 Le? 23 35 28.2 +00 13 56           ~ 1 0

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