PMO OpenIR  > 星系中的恒星形成研究团组
SiO and CH3OH mega-masers in NGC 1068
Wang, Junzhi1,2,3; Zhang, Jiangshui4; Gao, Yu3,5; Zhang, Zhi-Yu6; Li, Di7,8; Fang, Min5; Shi, Yong2,9
2014-11-01
Source PublicationNATURE COMMUNICATIONS
ISSN2041-1723
Volume5Issue:0Pages:5449
AbstractMaser is an acronym for microwave amplification by stimulated emission of radiation; in astronomy mega-masers are masers in galaxies that are >= 10(6) times more luminous than typical galactic maser sources. Observational studies of mega-masers can help us to understand their origins and characteristics. More importantly, mega-masers can be used as diagnostic tracers to probe the physical properties of their parent galaxies. Since the late 1970s, only three types of molecules have been found to form mega-masers: H2O, OH and H2CO. Here we report the detection of both SiO and CH3OH mega-masers near the centre of Seyfert 2 galaxy NGC 1068 at millimetre wavelengths, obtained using the IRAM 30-m telescope. We argue that the SiO mega-maser originated from the nuclear disk and the CH3OH mega-maser originated from shock fronts. High-resolution observations in the future will enable us to investigate AGN feedback and determine the masses of central supermassive black holes in such galaxies.
Subject Area天文和天体物理
WOS HeadingsScience & Technology
DOI10.1038/ncomms6449
WOS KeywordMOLECULAR LINE EMISSION ; METHANOL MASERS ; MAGELLANIC CLOUDS ; GALAXIES ; SEARCH ; GAS ; OH ; NGC-1068 ; DISTANCE ; REGIONS
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000345909200002
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/11566
Collection星系中的恒星形成研究团组
Affiliation1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
2.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210093, Jiangsu, Peoples R China
3.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
4.GuangZhou Univ, Ctr Astrophys, Guangzhou 510006, Guangdong, Peoples R China
5.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
6.Univ Edinburgh, Inst Astron, Edinburgh EH9 3HJ, Midlothian, Scotland
7.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
8.Space Sci Inst, Boulder, CO 80301 USA
9.Nanjing Univ, Key Lab Modern Astron & Astrophys, Minist Educ, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Wang, Junzhi,Zhang, Jiangshui,Gao, Yu,et al. SiO and CH3OH mega-masers in NGC 1068[J]. NATURE COMMUNICATIONS,2014,5(0):5449.
APA Wang, Junzhi.,Zhang, Jiangshui.,Gao, Yu.,Zhang, Zhi-Yu.,Li, Di.,...&Shi, Yong.(2014).SiO and CH3OH mega-masers in NGC 1068.NATURE COMMUNICATIONS,5(0),5449.
MLA Wang, Junzhi,et al."SiO and CH3OH mega-masers in NGC 1068".NATURE COMMUNICATIONS 5.0(2014):5449.
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