中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
The interstellar medium: the key component in galactic evolution and modern cosmology

文献类型:期刊论文

作者Heiles, Carl1; Li, Di2,3,4; Mcclure-Griffiths, Naomi5; Qian, Lei2,3; Liu, Shu2,3
刊名RESEARCH IN ASTRONOMY AND ASTROPHYSICS
出版日期2019-02-01
卷号19期号:2页码:10
关键词ISM: atoms ISM: individual (hydrogen) ISM: molecules ISM: evolution surveys
ISSN号1674-4527
DOI10.1088/1674-4527/19/2/17
英文摘要The gases of the interstellar medium (ISM) possess orders of magnitude more mass than those of all the stars combined and are thus the prime component of the baryonic Universe. With L-band surface sensitivity even better than the planned phase one of the Square Kilometre Array (SKA1), the Five-hundred-meter Aperture Spherical radio Telescope (FAST) promises unprecedented insights into two of the primary components of ISM, namely, atomic hydrogen (HI) and the hydroxyl molecule (OH). Here, we discuss the evolving landscape of our understanding of ISM, particularly, its complex phases, the magnetic fields within, the so-called dark molecular gas (DMG), high velocity clouds and the connection between local and distant ISM. We lay out, in broad strokes, several expected FAST projects, including an all northern-sky high-resolution HI survey (22000 deg(2), 3' FWHM beam, 0.2 km s(-1)), targeted OH mapping, searching for absorption and maser signals, etc. Currently under commissioning, the commensal observing mode of FAST will be capable of simultaneously obtaining HI and pulsar data streams, making large-scale surveys in both science areas more efficient.
WOS关键词ABSORPTION-LINE SURVEY ; HIGH-VELOCITY CLOUDS ; MAGELLANIC STREAM ; GALAXY FORMATION ; OH ABSORPTION ; CO EMISSION ; GAS ; HI ; FIELD ; WARM
资助项目National Key R&D Program of China[2017YFA0402600] ; CAS International Partnership Program[114A11KYSB20160008] ; National Natural Science Foundation of China[11725313]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000458412900002
出版者NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
资助机构National Key R&D Program of China ; National Key R&D Program of China ; CAS International Partnership Program ; CAS International Partnership Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; CAS International Partnership Program ; CAS International Partnership Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; CAS International Partnership Program ; CAS International Partnership Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; CAS International Partnership Program ; CAS International Partnership Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.bao.ac.cn/handle/114a11/24999]  
专题中国科学院国家天文台
通讯作者Heiles, Carl
作者单位1.Univ Calif Berkeley, Dept Astron, 601 Campbell Hall 3411, Berkeley, CA 94720 USA
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Key Lab FAST, Natl Astron Observ, Beijing 100101, Peoples R China
4.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 101408, Peoples R China
5.Australian Natl Univ, Res Sch Astron & Astrophys, Canberra, ACT 2611, Australia
推荐引用方式
GB/T 7714
Heiles, Carl,Li, Di,Mcclure-Griffiths, Naomi,et al. The interstellar medium: the key component in galactic evolution and modern cosmology[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2019,19(2):10.
APA Heiles, Carl,Li, Di,Mcclure-Griffiths, Naomi,Qian, Lei,&Liu, Shu.(2019).The interstellar medium: the key component in galactic evolution and modern cosmology.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,19(2),10.
MLA Heiles, Carl,et al."The interstellar medium: the key component in galactic evolution and modern cosmology".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 19.2(2019):10.

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来源:国家天文台

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