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The Isophotal Structure of Star-forming Galaxies at 0.5 < z < 1.8 in CANDELS: Implications for the Evolution of Galaxy Structure
Jiang, Dongfei1,2; Liu, F. S.1,3,4; Zheng, Xianzhong2,5; Yesuf, Hassen M.3,4; Koo, David C.3,4; Faber, S. M.3,4; Guo, Yicheng3,4; Koekemoer, Anton M.6; Wang, Weichen7; Fang, Jerome J.3,4,8; Barro, Guillermo3,4,9; Jia, Meng1; Tong, Wei1; Liu, Lu1; Meng, Xianmin10; Kocevski, Dale11; McGrath, Elizabeth J.11; Hathi, Nimish P.6,12
2018-02-10
发表期刊ASTROPHYSICAL JOURNAL
卷号854期号:1
摘要We have measured the radial profiles of isophotal ellipticity (epsilon) and disky/boxy parameter A(4) out to radii of about three times the semimajor axes for similar to 4600 star-forming galaxies (SFGs) between redshift 0.5 and 1.8 in the CANDELS/GOODS-S and UDS fields. Based on the average size-mass relation in each redshift bin, we divide our galaxies at a given mass into Small SFGs (SSFGs; smaller than the average) and Large SFGs (LSFGs; larger than the average). We show that, at low masses (M-* < 10(10)M(circle dot)), the SSFGs generally have nearly flat epsilon and A(4) profiles in both edge-on and face-on views, especially at z > 1. Moreover, the median A(4) values at all radii are almost zero. In contrast, the highly inclined low-mass LSFGs in the same mass-redshift bins generally have monotonically increasing epsilon profiles with radius and disky feature dominated in the intermediate regions. These findings imply that at these redshifts, the low-mass SSFGs are not disk-like, whereas the low-mass LSFGs likely harbour disk-like components flattened by significant rotations. At high masses (M-* > 10(10)M(circle dot)), both highly inclined SSFGs and LSFGs generally exhibit distinct trends in both epsilon and A(4) profiles, which increase at lower radii, reach maxima, then decrease at larger radii. Such the feature is more prevalent for more massive (M-* > 10(10.5)M(circle dot)) galaxies or at lower redshifts (z < 1.4). This feature can be simply explained if galaxies possess all three components: central bulges, disks in the intermediate regions, and halo-like stellar components in the outskirts.
文章类型Article
关键词Galaxies: High-redshift Galaxies: Photometry Galaxies: Star Formation
WOS标题词Science & Technology ; Physical Sciences
资助者NSF(11573017 ; NSF(11573017 ; CANDELS program by NASA through Space Telescope Science Institute(HST-GO-12060) ; CANDELS program by NASA through Space Telescope Science Institute(HST-GO-12060) ; NASA(NAS5-26555) ; NASA(NAS5-26555) ; US NSF(AST-16-15730) ; US NSF(AST-16-15730) ; National Key Research and Development Program of China(2017YFA0402703) ; National Key Research and Development Program of China(2017YFA0402703) ; NSFC(11773076) ; NSFC(11773076) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 11733006) ; 11733006) ; NSF(11573017 ; NSF(11573017 ; CANDELS program by NASA through Space Telescope Science Institute(HST-GO-12060) ; CANDELS program by NASA through Space Telescope Science Institute(HST-GO-12060) ; NASA(NAS5-26555) ; NASA(NAS5-26555) ; US NSF(AST-16-15730) ; US NSF(AST-16-15730) ; National Key Research and Development Program of China(2017YFA0402703) ; National Key Research and Development Program of China(2017YFA0402703) ; NSFC(11773076) ; NSFC(11773076) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 11733006) ; 11733006)
DOI10.3847/1538-4357/aaa5ad
关键词[WOS]DARK-MATTER HALOES ; ULTRA-DEEP-FIELD ; HYBRID COSMOLOGICAL APPROACH ; MILKY-WAY ANALOG ; LESS-THAN 3 ; STELLAR HALO ; ELLIPTIC GALAXIES ; DISK GALAXIES ; SPIRAL GALAXIES ; GALACTIC STELLAR
收录类别SCI
语种英语
资助者NSF(11573017 ; NSF(11573017 ; CANDELS program by NASA through Space Telescope Science Institute(HST-GO-12060) ; CANDELS program by NASA through Space Telescope Science Institute(HST-GO-12060) ; NASA(NAS5-26555) ; NASA(NAS5-26555) ; US NSF(AST-16-15730) ; US NSF(AST-16-15730) ; National Key Research and Development Program of China(2017YFA0402703) ; National Key Research and Development Program of China(2017YFA0402703) ; NSFC(11773076) ; NSFC(11773076) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 11733006) ; 11733006) ; NSF(11573017 ; NSF(11573017 ; CANDELS program by NASA through Space Telescope Science Institute(HST-GO-12060) ; CANDELS program by NASA through Space Telescope Science Institute(HST-GO-12060) ; NASA(NAS5-26555) ; NASA(NAS5-26555) ; US NSF(AST-16-15730) ; US NSF(AST-16-15730) ; National Key Research and Development Program of China(2017YFA0402703) ; National Key Research and Development Program of China(2017YFA0402703) ; NSFC(11773076) ; NSFC(11773076) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 11733006) ; 11733006)
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000425000100010
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/20301
专题空间科学研究部
作者单位1.Shenyang Normal Univ, Coll Phys Sci & Technol, Shenyang 110034, Liaoning, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, 2 West Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
3.Univ Calif Santa Cruz, Univ Calif Observ, Santa Cruz, CA 95064 USA
4.Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA
5.Chinese Acad Sci, South Amer Ctr Astron, China Chile Joint Ctr Astron, Camino El Observ 1515, Santiago, Chile
6.Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA
7.Johns Hopkins Univ, Dept Phys & Astron, 3400 N Charles St, Baltimore, MD 21218 USA
8.Orange Coast Coll, Costa Mesa, CA 92626 USA
9.Univ Calif Berkeley, Dept Astron, 601 Campbell Hall, Berkeley, CA 94720 USA
10.Chinese Acad Sci, Natl Astron Observ, A20 Datun Rd, Beijing 100012, Peoples R China
11.Colby Coll, Dept Phys & Astron, Mayflower Hill Dr, Waterville, ME 0490 USA
12.Aix Marseille Univ, CNRS, LAM, UMR 7326, F-13388 Marseille, France
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Jiang, Dongfei,Liu, F. S.,Zheng, Xianzhong,et al. The Isophotal Structure of Star-forming Galaxies at 0.5 < z < 1.8 in CANDELS: Implications for the Evolution of Galaxy Structure[J]. ASTROPHYSICAL JOURNAL,2018,854(1).
APA Jiang, Dongfei.,Liu, F. S..,Zheng, Xianzhong.,Yesuf, Hassen M..,Koo, David C..,...&Hathi, Nimish P..(2018).The Isophotal Structure of Star-forming Galaxies at 0.5 < z < 1.8 in CANDELS: Implications for the Evolution of Galaxy Structure.ASTROPHYSICAL JOURNAL,854(1).
MLA Jiang, Dongfei,et al."The Isophotal Structure of Star-forming Galaxies at 0.5 < z < 1.8 in CANDELS: Implications for the Evolution of Galaxy Structure".ASTROPHYSICAL JOURNAL 854.1(2018).
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