中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
The Inflow and Outflow Rate Evolution of Local Milky Way–mass Star-forming Galaxies since z?=?1.3

文献类型:期刊论文

作者Pan,Zhizheng1,2; Peng,Yingjie3; Zheng,Xianzhong1,2; Wang,Jing3; Kong,Xu2,4
刊名The Astrophysical Journal
出版日期2019-04-29
卷号876期号:1
ISSN号0004-637X
关键词galaxies: evolution
DOI10.3847/1538-4357/ab11c2
英文摘要Abstract We study the gas inflow rate (ζinflow) and outflow rate (ζoutflow) evolution of local Milky Way–mass star-forming galaxies (SFGs) since z?=?1.3. The stellar mass growth history of Milky Way–mass progenitor SFGs is inferred from the evolution of the star formation rate (SFR)?stellar mass (M*) relation, and the gas mass (Mgas) is derived using the recently established gas-scaling relations. With the growth curve, the net inflow rate κ is quantified at each cosmic epoch. At z?~?1.3, κ is comparable with the SFR, whereas it rapidly decreases to ~0.15?×?SFR at z?=?0. We then constrain the average outflow rate ζoutflow of progenitor galaxies by modeling the evolution of their gas-phase metallicity. The best-fit ζoutflow is found to be (0.5–0.8)?×?SFR. Combining κ and ζoutflow, we finally investigate the evolution of ζinflow since z?=?1.3. We find that ζinflow rapidly decreases by ~80% from z?=?1.3 to z?=?0.5. At z?
语种英语
出版者The American Astronomical Society
WOS记录号IOP:0004-637X-876-1-AB11C2
源URL[http://libir.pmo.ac.cn/handle/332002/24621]  
专题中国科学院紫金山天文台
作者单位1.Purple Mountain Observatory, Chinese Academy of Sciences, 8 Yuan Hua Road, Nanjing, Jiangsu 210008, People's Republic of China; panzz@pmo.ac.cn
2.School of Astronomy and Space Sciences, University of Science and Technology of China, Hefei, 230026, People's Republic of China; xzzheng@pmo.ac.cn
3.Kavli Institute for Astronomy and Astrophysics, Peking University, Yi He Yuan Lu 5, Hai Dian District, Beijing 100871, People's Republic of China
4.CAS Key Laboratory for Research in Galaxies and Cosmology, Department of Astronomy, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China; xkong@ustc.edu.cn
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Pan,Zhizheng,Peng,Yingjie,Zheng,Xianzhong,et al. The Inflow and Outflow Rate Evolution of Local Milky Way–mass Star-forming Galaxies since z?=?1.3[J]. The Astrophysical Journal,2019,876(1).
APA Pan,Zhizheng,Peng,Yingjie,Zheng,Xianzhong,Wang,Jing,&Kong,Xu.(2019).The Inflow and Outflow Rate Evolution of Local Milky Way–mass Star-forming Galaxies since z?=?1.3.The Astrophysical Journal,876(1).
MLA Pan,Zhizheng,et al."The Inflow and Outflow Rate Evolution of Local Milky Way–mass Star-forming Galaxies since z?=?1.3".The Astrophysical Journal 876.1(2019).

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来源:紫金山天文台

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