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Characterizing Stellar and Gas Properties in NGC 628: Spatial Distributions, Radial Gradients, and Resolved Scaling Relations

文献类型：期刊论文

作者Wei, Peng3,4; Zou, Hu1,3; Wang, Jing2; Kong, Xu3,5; Ma, Shuguo3,4; Zhou, Ruilei1,3; Zhou, Xu; Esamdin, Ali1,4; Sun, Jiantao1,4; Zhong, Tuhong4
刊名ASTROPHYSICAL JOURNAL
出版日期2025-01-10
卷号978期号:2页码:166
ISSN号0004-637X
DOI10.3847/1538-4357/ad9a51
产权排序1
英文摘要Building on our previous research involving multiwavelength data from UV to IR, we employ spectroscopic observations of ionized gas, as well as neutral hydrogen gas obtained from the Five-hundred Meter Aperture Spherical Telescope (FAST), to explore the intrinsic processes of star formation and chemical enrichment within NGC 628. Our analysis focuses on several key properties, including gas-phase extinction, star formation rate (SFR) surface density, oxygen abundance, and H i mass surface density. The azimuthal distributions of these parameters in relation to the morphological and kinematic features revealed by FAST H i reveal that NGC 628 is an isolated galaxy that has not undergone recent interactions. We observe a mild radial extinction gradient accompanied by a notable dispersion. The SFR surface density also shows a gentle radial gradient, characteristic of typical spiral galaxies. Additionally, we find a negative radial metallicity gradient of -0.44 dex R25-1 , supporting the "inside-out" scenario of galaxy formation. We investigate the resolved mass-metallicity relation (MZR) and the resolved star formation main sequence (SFMS) alongside their dependences on the physical properties of both ionized and neutral hydrogen gas. Our findings indicate no secondary dependence of the resolved MZR on SFR surface density or H i mass surface density. Furthermore, we observe that gas-phase extinction and the equivalent width of H alpha both increase with SFR surface density in the resolved SFMS.
WOS关键词SDSS-IV MANGA ; H II REGIONS ; FORMATION MAIN-SEQUENCE ; STAR-FORMATION RATES ; DIGITAL SKY SURVEY ; HII-REGIONS ; POPULATION SYNTHESIS ; DUST CONTENT ; MILKY-WAY ; GALAXIES
资助项目Chinese Academy of Sciences (CAS) Light of West China Program[2021-XBQNXZ-029] ; National Key R&D Program of China[2023YFA1607800] ; National Key R&D Program of China[2023YFA1608100] ; National Key R&D Program of China[2023YFF0714800] ; National Natural Science Foundation of China[12120101003] ; Natural Science Foundation of Xinjiang Uygur Autonomous Region[2020D01B59] ; National Key R&D Program of China for Intergovernmental Scientific and Technological Innovation Cooperation Project[2022YFE0126200] ; National Natural Science Foundation of China (NSFC)[12373010] ; National Natural Science Foundation of China (NSFC)[12173051] ; National Natural Science Foundation of China (NSFC)[12233008] ; Beijing Municipal Natural Science Foundation[1222028] ; China Manned Space Project[CMS-CSST-2021-A02] ; China Manned Space Project[CMS-CSST-2021-A04] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB0550100] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB0550000] ; Tianshan Talent Training Program[2023TSYCLJ0053]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:001394228000001
出版者IOP Publishing Ltd
资助机构Chinese Academy of Sciences (CAS) Light of West China Program ; National Key R&D Program of China ; National Natural Science Foundation of China ; Natural Science Foundation of Xinjiang Uygur Autonomous Region ; National Key R&D Program of China for Intergovernmental Scientific and Technological Innovation Cooperation Project ; National Natural Science Foundation of China (NSFC) ; Beijing Municipal Natural Science Foundation ; China Manned Space Project ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Tianshan Talent Training Program
源URL[http://ir.xao.ac.cn/handle/45760611-7/7371]  
专题光学天文与技术应用研究室_星团与星系研究团组
通讯作者Wei, Peng
作者单位1.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China
2.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China
4.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China
5.Univ Sci & Technol China, Dept Astron, Key Lab Res Galaxies & Cosmol, Hefei 230026, Peoples R China
推荐引用方式
GB/T 7714		 Wei, Peng,Zou, Hu,Wang, Jing,et al. Characterizing Stellar and Gas Properties in NGC 628: Spatial Distributions, Radial Gradients, and Resolved Scaling Relations[J]. ASTROPHYSICAL JOURNAL,2025,978(2):166.
APA Wei, Peng.,Zou, Hu.,Wang, Jing.,Kong, Xu.,Ma, Shuguo.,...&Dang, Fei.(2025).Characterizing Stellar and Gas Properties in NGC 628: Spatial Distributions, Radial Gradients, and Resolved Scaling Relations.ASTROPHYSICAL JOURNAL,978(2),166.
MLA Wei, Peng,et al."Characterizing Stellar and Gas Properties in NGC 628: Spatial Distributions, Radial Gradients, and Resolved Scaling Relations".ASTROPHYSICAL JOURNAL 978.2(2025):166.

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来源：新疆天文台

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