2016ApJ...827...51N

Query : 2016ApJ...827...51N

2016ApJ...827...51N - Astrophys. J., 827, 51-51 (2016/August-2)

Observation and confirmation of six strong-lensing systems in the dark energy survey science verification data.

NORD B., BUCKLEY-GEER E., LIN H., DIEHL H.T., HELSBY J., KUROPATKIN N., AMARA A., COLLETT T., ALLAM S., CAMINHA G.B., DE BOM C., DESAI S., DUMET-MONTOYA H., PEREIRA M.E.S., FINLEY D.A., FLAUGHER B., FURLANETTO C., GAITSCH H., GILL M., MERRITT K.W., MORE A., TUCKER D., SARO A., RYKOFF E.S., ROZO E., BIRRER S., ABDALLA F.B., AGNELLO A., AUGER M., BRUNNER R.J., CARRASCO KIND M., CASTANDER F.J., CUNHA C.E., DA COSTA L.N., FOLEY R.J., GERDES D.W., GLAZEBROOK K., GSCHWEND J., HARTLEY W., KESSLER R., LAGATTUTA D., LEWIS G., MAIA M.A.G., MAKLER M., MENANTEAU F., NIERNBERG A., SCOLNIC D., VIEIRA J.D., GRAMILLANO R., ABBOTT T.M.C., BANERJI M., BENOIT-LEVY A., BROOKS D., BURKE D.L., CAPOZZI D., CARNERO ROSELL A., CARRETERO J., D'ANDREA C.B., DIETRICH J.P., DOEL P., EVRARD A.E., FRIEMAN J., GAZTANAGA E., GRUEN D., HONSCHEID K., JAMES D.J., KUEHN K., LI T.S., LIMA M., MARSHALL J.L., MARTINI P., MELCHIOR P., MIQUEL R., NEILSEN E., NICHOL R.C., OGANDO R., PLAZAS A.A., ROMER A.K., SAKO M., SANCHEZ E., SCARPINE V., SCHUBNELL M., SEVILLA-NOARBE I., SMITH R.C., SOARES-SANTOS M., SOBREIRA F., SUCHYTA E., SWANSON M.E.C., TARLE G., THALER J., WALKER A.R., WESTER W. and ZHANG Y.

Abstract (from CDS):

We report the observation and confirmation of the first group- and cluster-scale strong gravitational lensing systems found in Dark Energy Survey data. Through visual inspection of data from the Science Verification season, we identified 53 candidate systems. We then obtained spectroscopic follow-up of 21 candidates using the Gemini Multi-object Spectrograph at the Gemini South telescope and the Inamori-Magellan Areal Camera and Spectrograph at the Magellan/Baade telescope. With this follow-up, we confirmed six candidates as gravitational lenses: three of the systems are newly discovered, and the remaining three were previously known. Of the 21 observed candidates, the remaining 15 either were not detected in spectroscopic observations, were observed and did not exhibit continuum emission (or spectral features), or were ruled out as lensing systems. The confirmed sample consists of one group-scale and five galaxy-cluster-scale lenses. The lensed sources range in redshift z ∼ 0.80-3.2 and in i-band surface brightness i_SB ∼ 23-25 mag arcsec^-2 (2'' aperture). For each of the six systems, we estimate the Einstein radius θ_E and the enclosed mass M_enc, which have ranges θ_E ∼ 5''-9'' and M_enc ∼ 8 x 10^12 to 6 x 10^13 M_☉, respectively.

Abstract Copyright: © 2016. The American Astronomical Society. All rights reserved.

Journal keyword(s): cosmology: observations - galaxies: clusters: general - galaxies: distances and redshifts - gravitational lensing: strong - methods: observational - techniques: spectroscopic - techniques: spectroscopic

Nomenclature: Fig. 1, Table 1: [NBL2016] DES JHHMM+DDMM N=6, [NBL2016] DES JHHMM+DDMM lens N=6, [NBL2016] DES JHHMM+DDMM AN N=12.

CDS comments: BCS J2352-5452 is SCSO J235138-545253 in SIMBAD.

Simbad objects: 35

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Number of rows : 35
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 ACT-CL J0102-4915 ClG 01 02 52.50 -49 14 58.0           ~ 296 0
2 [NBL2016] DES J0221-0646 A2 LeG 02 21 50.978 -06 47 36.42           ~ 1 0
3 GAMA J022151.17-064732.7 G 02 21 51.180 -06 47 32.66           ~ 4 0
4 [MCM2012] SA39 gLS 02 21 51.2 -06 47 33           ~ 5 0
5 [NBL2016] DES J0221-0646 A1 LeG 02 21 51.375 -06 47 36.47           ~ 1 0
6 [NBL2016] DES J0250-0008 B LeG 02 50 08.350 +00 08 20.06           ~ 1 0
7 [NBL2016] DES J0250-0008 lens gLe 02 50 08.399 +00 08 16.62           ~ 1 0
8 [NBL2016] DES J0250-0008 gLS 02 50 08.399 +00 08 16.62           ~ 1 0
9 [NBL2016] DES J0250-0008 A LeG 02 50 08.899 +00 08 14.00           ~ 1 0
10 [NBL2016] DES J0329-2820 A LeG 03 29 28.292 -28 19 40.49           ~ 1 0
11 [NBL2016] DES J0329-2820 B LeG 03 29 28.548 -28 19 31.77           ~ 1 0
12 DES J032928.71-281939.4 GiC 03 29 28.711 -28 19 39.47           ~ 2 0
13 [NBL2016] DES J0329-2820 gLS 03 29 28.711 -28 19 39.47           ~ 2 0
14 ACO 3128 ClG 03 29 50.6 -52 34 48           ~ 183 3
15 ACT-CL J0330.9-5228 ClG 03 30 56.3 -52 28 19           ~ 53 0
16 [NBL2016] DES J0330-5228 A LeG 03 30 56.620 -52 28 17.15           ~ 1 0
17 NAME CMB2024 SPT-CL J0330-5228 BCG rG 03 30 56.932 -52 28 13.02   21.49 19.80 18.38   ~ 12 0
18 [DBL2017] DES J0330-5228 gLS 03 30 56.932 -52 28 13.02           ~ 2 0
19 [NBL2016] DES J0446-5126 B2 LeG 04 46 12.183 -51 26 34.42           ~ 1 0
20 [NBL2016] DES J0446-5126 B1 LeG 04 46 12.520 -51 26 26.44           ~ 1 0
21 DES J044612.87-512632.5 GiC 04 46 12.875 -51 26 32.55           ~ 3 0
22 [DBL2017] DES J0446-5126 gLS 04 46 12.875 -51 26 32.55           ~ 2 0
23 [NBL2016] DES J0446-5126 A LeG 04 46 13.849 -51 26 32.87           ~ 1 0
24 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0
25 CSWA 1 gLS 11 48 33.10 +19 30 03.2           ~ 90 0
26 [VV2000] J204719.3+264340 QSO 20 47 20.3 +26 44 03     20.60     ~ 112 2
27 NVSS J211054+213059 Rad 21 10 54.06 +21 30 58.7           ~ 30 1
28 ACO S 1063 ClG 22 48 45.4 -44 31 42           ~ 395 0
29 [DBL2017] DES J2336-5352 (3) LeG 23 36 06.677 -53 52 34.65           ~ 2 0
30 LCS-CL J233607-5352.5 ClG 23 36 07 -53 52.6           ~ 10 0
31 [DBL2017] DES J2336-5352 gLS 23 36 07.133 -53 52 35.69           ~ 2 0
32 DES J233607.13-535235.6 GiC 23 36 07.133 -53 52 35.69           ~ 6 0
33 [NBL2016] DES J2336-5352 B LeG 23 36 07.842 -53 52 41.18           ~ 1 0
34 ACT-CL J2351.6-5452 ClG 23 51 36.4073 -54 52 51.379           ~ 20 0

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