RELICS: Strong Lens Models for Five Galaxy Clusters from the Reionization Lensing Cluster Survey

被引：57

作者：

Cerny, Catherine ^{[1
]}

Sharon, Keren ^{[1
]}

Andrade-Santos, Felipe ^{[2
]}

Avila, Roberto J. ^{[3
]}

Bradac, Marusa ^{[4
]}

Bradley, Larry D. ^{[3
]}

Carrasco, Daniela ^{[5
]}

Coe, Dan ^{[3
]}

Czakon, Nicole G. ^{[6
]}

Dawson, William A. ^{[7
]}

Frye, Brenda L. ^{[8
]}

Hoag, Austin ^{[4
]}

Huang, Kuang-Han ^{[4
]}

Johnson, Traci L. ^{[1
]}

Jones, Christine ^{[2
]}

Lam, Daniel ^{[9
]}

Lovisari, Lorenzo ^{[2
]}

Mainali, Ramesh ^{[8
]}

Oesch, Pascal A. ^{[10
]}

Ogaz, Sara ^{[3
]}

Past, Matthew ^{[1
]}

Paterno-Mahler, Rachel ^{[1
,11
]}

Peterson, Avery ^{[1
]}

Riess, Adam G. ^{[3
]}

Rodney, Steven A. ^{[12
]}

Ryan, Russell E. ^{[3
]}

Salmon, Brett ^{[3
]}

Sendra-Server, Irene ^{[13
,14
]}

Stark, Daniel P. ^{[8
]}

Strolger, Louis-Gregory ^{[3
]}

Trenti, Michele ^{[5
]}

Umetsu, Keiichi ^{[6
]}

Vulcani, Benedetta ^{[5
]}

Zitrin, Adi ^{[15
]}

机构：

[1] Univ Michigan, Dept Astron, 1085 South Univ Ave, Ann Arbor, MI 48109 USA

[2] Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA

[3] Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA

[4] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA

[5] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia

[6] Acad Sinica, Inst Astron & Astrophys, POB 23-141, Taipei 10617, Taiwan

[7] Lawrence Livermore Natl Lab, POB 808 L-210, Livermore, CA 94551 USA

[8] Univ Arizona, Steward Observ, Dept Astron, 933 North Cherry Ave,Rm N204, Tucson, AZ 85721 USA

[9] Leiden Univ, Leiden Observ, NL-2300 RA Leiden, Netherlands

[10] Yale Univ, Dept Astron, New Haven, CT 06520 USA

[11] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA

[12] Univ South Carolina, Dept Phys & Astron, 712 Main St, Columbia, SC 29208 USA

[13] Amer Sch Warsaw, Warszawska 202, PL-05520 Bielawa, Poland

[14] Univ Basque Country, UPV EHU, Dept Theoret Phys, E-48080 Bilbao, Spain

[15] Ben Gurion Univ Negev, Phys Dept, POB 653, IL-84105 Beer Sheva, Israel

来源：

ASTROPHYSICAL JOURNAL | 2018年 / 859卷 / 02期

关键词：

galaxies: clusters: individual (RXC J0142.9+4438; Abell; 2537; 2163; RXC J2211.7-0349; ACT-CLJ0102-49151; gravitational lensing: strong; MASS-DISTRIBUTION; DEEP FIELD; PHOTOMETRY; GIANTS;

D O I：

10.3847/1538-4357/aabe7b

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Strong gravitational lensing by galaxy clusters magnifies background galaxies, enhancing our ability to discover statistically significant samples of galaxies at z > 6, in order to constrain the high-redshift galaxy luminosity functions. Here, we present the first five lens models out of the Reionization Lensing Cluster Survey (RELICS) Hubble Treasury Program, based on new HST WFC3/IR and ACS imaging of the clusters RXC J0142.9+4438, Abell 2537, Abell 2163, RXC J2211.7-0349, and ACT-C110102-49151. The derived lensing magnification is essential for estimating the intrinsic properties of high-redshift galaxy candidates, and properly accounting for the survey volume. We report on new spectroscopic redshifts of multiply imaged lensed galaxies behind these clusters, which are used as constraints, and detail our strategy to reduce systematic uncertainties due to lack of spectroscopic information. In addition, we quantify the uncertainty on the lensing magnification due to statistical and systematic errors related to the lens modeling process, and find that in all but one cluster, the magnification is constrained to better than 20% in at least 80% of the field of view, including statistical and systematic uncertainties. The five clusters presented in this paper span the range of masses and redshifts of the clusters in the RELICS program. We find that they exhibit similar strong lensing efficiencies to the clusters targeted by the Hubble Frontier Fields within the WFC3/IR field of view. Outputs of the lens models are made available to the community through the Mikulski Archive for Space Telescopes.

引用

页数：18

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