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Infrared characteristics of associated sources of water masers
Esimbek, J1,2; Wu, YF1; Wang, JZ1
2005
Source PublicationCHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
ISSN1009-9271
Volume5Issue:6Pages:587-594
Contribution Rank2
Abstract

We present an analysis of the infrared properties of 1417 water masers collected from the literature published by December 2004. The associated infrared sources of the water masers were identified with IRAS and MSX (Midcourse Space Experiment) catalogues. There are 1252 water masers associated with IRAS sources within 1', which include 700 interstellar and 552 stellar sources. For 382 sources, the IRAS counterpart identification and the maser classification are new. We found the colors of the interstellar maser sources are much redder than those of the stellar ones at IRAS wavelength bands, 99% of the interstellar maser sources are above black body line, while 95% of the stellar masers are below.. The distribution difference of the two kinds of masers shown in the color-color diagram is due to their different optical depths and temperature distributions of dust regions. There are 743 water masers with MSX counterparts, of which 552 are interstellar masers and 191 are stellar masers. MSX colors of the associated sources of water masers are here analyzed for the first time. The color differences among the MSX bands are small and the interstellar masers are redder than the stellar masers. There is a correlation between the intensity of the stellar water maser emission and that of the 12 mu m and 25 mu m emissions, while there is no correlation between the water maser emission and the 8 mu m emission. The infrared intensity increases with increasing wavelength for the interstellar masers, while it is the opposite for stellar masers. These results may provide clues for the pumping of water maser and for the properties of the two kinds of maser emission regions.

KeywordMasers Ism : Kinematics And Dynamics Stars : Mass Loss
SubtypeArticle
Subject Area恒星和恒星物理
WOS HeadingsScience & Technology ; Physical Sciences
URL查看原文
Indexed BySCI
Language英语
WOS KeywordLate-type Stars ; H2o Masers ; Galactic Plane ; Molecular Clouds ; Stellar Objects ; Iras Sources ; Hii-regions ; Large Array ; Emission ; Catalog
Funding Project恒星形成与演化研究团组
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000234124400004
Funding OrganizationNSFC Grant Nos., 10203003, 10133020,10128306 ; NKBRSF G1999075405 ; the United Astronomy Laboratory of CAS
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xao.ac.cn/handle/45760611-7/31
Collection射电天文研究室_恒星形成与演化研究团组
射电天文研究室
Corresponding AuthorEsimbek, J
Affiliation1.Peking Univ, Dept Astron, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Urumqi Observ, Urumqi 830011, 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
Esimbek, J,Wu, YF,Wang, JZ. Infrared characteristics of associated sources of water masers[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2005,5(6):587-594.
APA Esimbek, J,Wu, YF,&Wang, JZ.(2005).Infrared characteristics of associated sources of water masers.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,5(6),587-594.
MLA Esimbek, J,et al."Infrared characteristics of associated sources of water masers".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 5.6(2005):587-594.
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