理学 >>> 数学 信息科学与系统科学 物理学 化学 天文学 地球科学总论 大气科学 地球物理学 地理学 地质学 水文学 海洋科学 生物学 科学技术史
搜索结果: 1-15 共查到理学 Proper motions相关记录15条 . 查询时间(0.156 秒)
We present results from the PARallaxes of Southern Extremely Cool objects (PARSEC)program, an observational program begun in April 2007 to determine parallaxes for 122 L and 28 T southern hemisphere d...
Proper motions of the ansae in the planetary nebula NGC 7009。
The Galactic Bulge velocity dispersion as measured by stellar proper motions in Plaut`s window。
Proper motions in cepheus A     Proper motions  cepheus A       2009/6/25
Proper motions in cepheus A。
Proper motions in the faint sky variability survey。
Proper Motions of Stellar Jets as Observed with HST:The Movies
Large Proper Motions in the Young Low-Mass Protostellar System IRAS 16293-2422。
Interpreting the proper motions of the HH 34S bowshock。
Modeling the radial velocities and proper motions of herbig-haro objects
High Velocity Outflows in the Orion Nebula Determined from Proper Motions
Survey of stellar associations using proper motions
CHARACTERISTICS OF PROPER motions in the preliminary compiled double star catalogue。
ON THE SYSTEMATIC ERRORS OF DECLINATIONS AND PROPER MOTIONS FROM THE BELGRADE ZENITH-TELESCOPE OBSERVATIONS IN THE PERIOD 1960-1985。
ON THE SYSTEMATIC ERRORS OF DECLINATIONS AND PROPER MOTIONS FROM THE BELGRADE ZENITH-TELESCOPE OBSERVATIONS IN THE PERIOD 1949-1960。
More than a decade elapsed after the HIPPARCOS ESA missi- on (ESA 1997) observations have been collected. This rst astronomical satellite mission was less than 4 years long so that 1991.25 is the e...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...