[期刊论文] 《天文和天体物理学研究》 2010年4期
We collected almost all Highly Processed Data Products(HPDP)of ISO SWS01 spectra for the Galactic visual carbon stars,infrared carbon stars,extreme carbon stars and carbon-rich proto-planetary nebulae...
[期刊论文] 《天体物理学报(英文版)》 2004年3期
We present an astrometric study of the candidates of T Tauri stars(TTS)and non-TTS X-ray sources around Tau-Aur,based on the Hipparcos Catalogue and the ACT Reference Catalogue.The ROSAT selected X-ra...
stars:formation-stars:pre-main sequence-stars:late-type Astrometry
[期刊论文] 《天体物理学报(英文版)》 2001年2期
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 Galacti...
[期刊论文] 《天体物理学报》1998年3期
该文讨论了晚型星的磁场强度与ROSAT软X射线的相关性,用四种模型拟合了ROSAT的观测结果,讨论了各种模型的优缺点,同时发现单星的星冕温度与磁场强度的相关性很好.因此可以认为磁场是晚型星星冕很重要的加热机制.由处理...
[期刊论文] 《天文和天体物理学研究(英文版)》2016年1期
Guo-Chao Yang Yan-Chun Liang Monique Spite Yu-Qin Chen Gang Zhao Bo Zhang Guo-Qing Liu Yu-Juan Liu Nian Liu Li-Cai Deng Francois Spite Vanessa Hill Cai-Xia Zhang
We aim at deriving accurate atmospheric parameters and chemical abundances of 19 barium(Ba) stars, including both strong and mild Ba stars, based on the high signal-to-noise ratio and high resolution ...
methods:observational stars:abundances stars:atmospheres stars:chemically peculiar stars:kinematics and dynamics stars:late-type