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Dissecting the Global Cold Dust Properties and Possible Submillimeter Excess of 13 Nearby Spiral Galaxies from the NGLS
Chang, Zhengxue1,2; Zhou, Jianjun1,3; Wilson, Christine D.4; Esimbek, Jarken1,3; Qiu, Jianjie5; Li, Dalei1,3; Zhou, Minhua2,6; He, Yuxin1,3; Ji, Weiguang1; Tang, Xindi1,3; Wu, Gang1,3; Li, Jun1,2
2020-09-01
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume900Issue:1Pages:53
Contribution Rank1
AbstractWe select 13 nearby spiral galaxies from the Nearby Galaxies Legacy Survey (NGLS) project and perform spectral energy distribution fitting for each galaxy applying two-component modified blackbody models on a global scale aim to probe the potential submillimeter (submm) excess. We find that NGC 2976, NGC 3351, and NGC 4631 show excess emission at 850 mu m when using beta(c) = 2.0. The contributions of CO(3-2), free-free emission or synchrotron radiation cannot explain their 850 mu m excess. Our results suggest that a submm excess at 850 mu m may be more easily detected for galaxies with faint total infrared luminosity and low cold dust mass. The colder temperature of cold dust, the more radiation of dust there is at 850 mu m. The submm excess are prone to be detected in spiral galaxies with low stellar mass. As the metallicity of galaxies become poor, the submm excess is more obvious.
DOI10.3847/1538-4357/aba52f
URL查看原文
Indexed BySCI
Language英语
WOS KeywordLOW-METALLICITY ENVIRONMENTS ; SPECTRAL ENERGY-DISTRIBUTION ; STAR-FORMATION ; LEGACY SURVEY ; INTERSTELLAR DUST ; ISM PROPERTIES ; MOLECULAR GAS ; SPITZER ; TEMPERATURES ; PHOTOMETRY
Funding Projectopen program of the Key Laboratory of Xinjiang Uygur Autonomous Region[2019D04023] ; National Natural Science foundation of China (NSFC)[11973076] ; NSFC[11433008] ; NSFC[11603063] ; NSFC[11703074] ; NSFC[11703073] ; NSFC[11903070] ; CAS Light of West China Program[2018-XBQNXZ-B-024] ; CAS Light of West China Program[2016QNXZ-B-23] ; CAS Light of West China Program[2016-QNXZ-B-22] ; Heaven Lake Hundred-Talent Program of Xinjiang Uygur Autonomous Region of China ; Natural Sciences and Engineering Research Council of Canada ; Canada Research Chairs program ; Guang-dong Basic and Applied Basic Research Foundation[2019A1515110588] ; China Postdoctoral Science Foundation[2019M653144] ; Youth Innovation Promotion Association CAS ; BMVIT (Austria) ; ESA-PRODEX (Belgium) ; CEA/CNES (France) ; DLR (Germany) ; ASI/INAF (Italy) ; CICYT/MCYT (Spain) ; CSA (Canada) ; NAOC (China) ; CEA (France) ; CNES (France) ; CNRS (France) ; ASI (Italy) ; MCINN (Spain) ; SNSB (Sweden) ; STFC, UKSA (UK) ; NASA (USA)
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000566130000001
PublisherIOP PUBLISHING LTD
Funding Organizationopen program of the Key Laboratory of Xinjiang Uygur Autonomous Region ; National Natural Science foundation of China (NSFC) ; NSFC ; CAS Light of West China Program ; Heaven Lake Hundred-Talent Program of Xinjiang Uygur Autonomous Region of China ; Natural Sciences and Engineering Research Council of Canada ; Canada Research Chairs program ; Guang-dong Basic and Applied Basic Research Foundation ; China Postdoctoral Science Foundation ; Youth Innovation Promotion Association CAS ; BMVIT (Austria) ; ESA-PRODEX (Belgium) ; CEA/CNES (France) ; DLR (Germany) ; ASI/INAF (Italy) ; CICYT/MCYT (Spain) ; CSA (Canada) ; NAOC (China) ; CEA (France) ; CNES (France) ; CNRS (France) ; ASI (Italy) ; MCINN (Spain) ; SNSB (Sweden) ; STFC, UKSA (UK) ; NASA (USA)
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xao.ac.cn/handle/45760611-7/3637
Collection射电天文研究室_恒星形成与演化研究团组
Corresponding AuthorZhou, Jianjun; Wilson, Christine D.
Affiliation1.Chinese Acad Sci, Xinjiang Astron Observ, 150 Sci 1 St, Urumqi 830011, Xinjiang, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Key Lab Radio Astron, 150 Sci 1 St, Urumqi 830011, Xinjiang, Peoples R China
4.McMaster Univ, Dept Phys & Astron, 1280 Main St West, Hamilton, ON L8S 4M1, Canada
5.Sun Yat Sen Univ, Sch Phys & Astron, Guangzhou 510275, Peoples R China
6.Chinese Acad Sci, Shanghai Astron Observ, Key Lab Res Galaxies & Cosmol, 80 Nandan Rd, Shanghai 200030, Peoples R China
First Author AffilicationXinjiang Astronomical Observatory, Chinese Academy of Sciences
Corresponding Author AffilicationXinjiang Astronomical Observatory, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Chang, Zhengxue,Zhou, Jianjun,Wilson, Christine D.,et al. Dissecting the Global Cold Dust Properties and Possible Submillimeter Excess of 13 Nearby Spiral Galaxies from the NGLS[J]. ASTROPHYSICAL JOURNAL,2020,900(1):53.
APA Chang, Zhengxue.,Zhou, Jianjun.,Wilson, Christine D..,Esimbek, Jarken.,Qiu, Jianjie.,...&Li, Jun.(2020).Dissecting the Global Cold Dust Properties and Possible Submillimeter Excess of 13 Nearby Spiral Galaxies from the NGLS.ASTROPHYSICAL JOURNAL,900(1),53.
MLA Chang, Zhengxue,et al."Dissecting the Global Cold Dust Properties and Possible Submillimeter Excess of 13 Nearby Spiral Galaxies from the NGLS".ASTROPHYSICAL JOURNAL 900.1(2020):53.
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