| Distribution of SiO and OH Maser Stars in the Galactic Plane |
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| 引用本文： | Bi－WeiJiang,Shu－MeiJia. Distribution of SiO and OH Maser Stars in the Galactic Plane[J]. 中国天文和天体物理学报, 2001, 1(2): 144-151 |
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| 作者姓名： | Bi－WeiJiang Shu－MeiJia |
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| 摘 要： | ![]()
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| 关 键 词： | 微波激射器 银河系 分布 AGB星系 运动学 |
Distribution of SiO and OH Maser Stars in the Galactic Plane |
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| Affiliation: | [1]BeijingAstronomicalObservatory,ChineseAcademyofSciences,Beijing100012 [2]DepartmentofAstronomy,BeijingNo |
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| Abstract: | ![]()
The observational results of the Nobeyama 45-m SiO maser survey and the Arecibo 305-m OH maser survey are assembled for an analysis of the distribution and kinematics of late-type stars in the Galactic plane.It is found that neither SiO maser stars nor OH maser stars show any concentration to the spiral arms,which imply that they do not belong to the arm population and quite possibly they are low-mass stars in late stage of evolution.A rotational curve is also derived for these objects and a few features which may be real are discussed and compared with those derived from planetary nebulae and AGB stars. |
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| Keywords: | stars: late-type - maser - Galactic distribution - kinematics |
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