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The Sloan Lens ACS Survey. XIII. Discovery of 40 New Galaxy-scale Strong Lenses
Shu, Yiping1; Brownstein, Joel R.2; Bolton, Adam S.3; Koopmans, Leon V. E.4; Treu, Tommaso5; Montero-Dorta, Antonio D.6; Auger, Matthew W.7; Czoske, Oliver8; Gavazzi, Raphael9; Marshall, Philip J.10; Moustakas, Leonidas A.11
2017-12-10
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume851Issue:1Pages:13
Corresponding AuthorShu, Yiping(yiping.shu@pmo.ac.cn)
AbstractWe present the full sample of 118 galaxy-scale strong-lens candidates in the Sloan Lens ACS (SLACS) Survey for the Masses (S4TM) Survey, which are spectroscopically selected from the final data release of the Sloan Digital Sky Survey. Follow-up Hubble Space Telescope (HST) imaging observations confirm that 40 candidates are definite strong lenses with multiple lensed images. The foreground-lens galaxies are found to be early-type galaxies (ETGs) at redshifts 0.06-0.44, and background sources are emission-line galaxies at redshifts 0.22-1.29. As an extension of the SLACS Survey, the S4TM Survey is the first attempt to preferentially search for strong-lens systems with relatively lower lens masses than those in the pre-existing strong-lens samples. By fitting HST data with a singular isothermal ellipsoid model, we find that the total projected mass within the Einstein radius of the S4TM strong-lens sample ranges from 3 x 10(10) M-circle dot to 2 x 10(11) M-circle dot. In Shu et al., we have derived the total stellar mass of the S4TM lenses to be 5 x 10(10) M-circle dot to 1 x 10(12) M-circle dot. Both the total enclosed mass and stellar mass of the S4TM lenses are on average almost a factor of 2 smaller than those of the SLACS lenses, which also represent the typical mass scales of the current strong-lens samples. The extended mass coverage provided by the S4TM sample can enable a direct test, with the aid of strong lensing, for transitions in scaling relations, kinematic properties, mass structure, and dark-matter content trends of ETGs at intermediate-mass scales as noted in previous studies.
Keyworddark matter galaxies: evolution gravitational lensing: strong methods: observational techniques: image processing
DOI10.3847/1538-4357/aa9794
WOS KeywordDIGITAL SKY SURVEY ; SPECTROSCOPICALLY SELECTED SAMPLE ; INITIAL MASS FUNCTION ; TO-LIGHT RATIOS ; GRAVITATIONAL-LENS ; ELLIPTIC GALAXIES ; DARK-MATTER ; STELLAR MASS ; SEMILINEAR INVERSION ; FUNDAMENTAL PLANE
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000417808300008
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22104
Collection中国科学院紫金山天文台
Corresponding AuthorShu, Yiping
Affiliation1.Chinese Acad Sci, Purple Mt Observ, 2 West Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
2.Univ Utah, Dept Phys & Astron, 115 South 1400 East, Salt Lake City, UT 84112 USA
3.Natl Opt Astron Observ, 950 North Cherry Ave, Tucson, AZ 85719 USA
4.Univ Groningen, Kapteyn Astron Inst, POB 800, NL-9700 AV Groningen, Netherlands
5.Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
6.Univ Sao Paulo, Inst Fis, Dept Fis Matemat, Rua Matao 1371, BR-05508090 Sao Paulo, Brazil
7.Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England
8.Univ Wien, Inst Astron, Turkenschanzstr 17, A-1180 Vienna, Austria
9.Univ Paris 06, CNRS, Inst Astrophys Paris, UMR 7095, 98Bis Bd Arago, F-75014 Paris, France
10.Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, 452 Lomita Mall, Stanford, CA 94305 USA
11.CALTECH, Jet Prop Lab, MS 169-506,4800 Oak Grove Dr, Pasadena, CA 91109 USA
Recommended Citation
GB/T 7714
Shu, Yiping,Brownstein, Joel R.,Bolton, Adam S.,et al. The Sloan Lens ACS Survey. XIII. Discovery of 40 New Galaxy-scale Strong Lenses[J]. ASTROPHYSICAL JOURNAL,2017,851(1):13.
APA Shu, Yiping.,Brownstein, Joel R..,Bolton, Adam S..,Koopmans, Leon V. E..,Treu, Tommaso.,...&Moustakas, Leonidas A..(2017).The Sloan Lens ACS Survey. XIII. Discovery of 40 New Galaxy-scale Strong Lenses.ASTROPHYSICAL JOURNAL,851(1),13.
MLA Shu, Yiping,et al."The Sloan Lens ACS Survey. XIII. Discovery of 40 New Galaxy-scale Strong Lenses".ASTROPHYSICAL JOURNAL 851.1(2017):13.
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