国家重点基础研究发展计划(2007CB815403)

作品数:12被引量:6H指数:1
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相关作者:陈力韩金林高新华徐钧徐烨更多>>
相关机构:中国科学院国家天文台中国科学院上海天文台中国科学院研究生院常州大学更多>>
相关期刊:《天文学报》《天文学进展》《Research in Astronomy and Astrophysics》更多>>
相关主题:GALAXIESISMINDIVIDUALPHOTOMETRICSTARS更多>>
相关领域:天文地球自动化与计算机技术电子电信机械工程更多>>
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Chemical abundance analysis of 19 barium stars被引量:1
《Research in Astronomy and Astrophysics》2016年第1期159-174,共16页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 
supported by the National Natural Science Foundation of China (NSFC) under grant Nos.11273011,U1231119,10973006,11003002,11273026,10933001 and 10973015;the National Basic Research Program of China (973 Program,Grant Nos.2007CB815404,2007CB815403 and 2007CB815406)
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 Echelle spectra...
关键词:methods: observational - stars: abundances - stars: atmospheres - stars: chemically peculiar- stars: kinematics and dynamics - stars: late-type 
Metal abundance and kinematical properties of the M81 globular cluster system
《Research in Astronomy and Astrophysics》2013年第4期399-410,共12页Jun Ma Zhen-Yu Wu Tian-Meng Zhang Song Wang Zhou Fan Jiang-Hua Wu Hu Zou Cui-Hua Du Xu Zhou Qi-Rong Yuan 
supported by the National Natural Science Foundation of China (Grant Nos. 10873016, 10633020, 10803007,11003021, 11173016 and 11073032);the National Basic Research Program of China (973 Program, 2007CB815403)
We present metal abundance properties of 144 globular clusters associated with M81. These globulars represent the largest globular cluster sample in M81 till now. Our main results are: the distribution of metalliciti...
关键词:galaxies: individual (M81) -galaxies: star clusters globular clusters:general 
2MASS photometry and age estimation of the globular clusters in the outer halo of M31
《Research in Astronomy and Astrophysics》2012年第2期115-126,共12页Jun Ma 1,21 National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,China 2 Key Laboratory of Optical Astronomy,National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,China 
supported by the National Natural Science Foundation of China(Grant Nos. 10873016 and 10633020);the National Basic Research Program of China (973 Program,No. 2007CB815403)
We present the first photometric results in J, H and Ks from 2MASS (Two Micron All Sky Survey) imaging of 10 classical globular clusters (GCs) in the far outer regions of M31. Combined with the V and I photometric...
关键词:galaxies: halos - galaxies: individual (M31) - star clusters: general 
射电源法拉第旋率观测效应的模拟研究被引量:1
《天文学报》2011年第4期332-338,共7页徐钧 韩金林 
国家自然科学基金(10821061和10833003);国家科技部973项目(2007CB815403)资助
由于受射电望远镜分辨率的限制,观测视线方向上可能有多源重叠现象.观测目标源的法拉第旋率(rotation measure,RM)及偏振角(polarization angle,PA)的测量值就会受到方向束内其它背景射电源的影响.通过模拟研究发现,背景射电源对目标源...
关键词:望远镜 辐射机制 非热 偏振 星际介质:磁场 
基于SDSS-DR8及2MASS数据的疏散星团NGC 6791的基本性质研究被引量:1
《天文学报》2011年第4期265-274,共10页高新华 陈力 
常州大学科研启动经费项目(ZMF 1002121);国家自然科学基金项目(11073038;10833005);科技部973项目(2007CB815403)资助
利用斯隆数字巡天(SDSS)第8次释放数据(DR8)的恒星光谱数据及2MASS(Two Micro All Sky Survey)近红外点源测光数据研究著名的疏散星团NGC 6791,得到该星团的视向速度与金属丰度分别为V_r=-46.4±0.2 km·s^(-1)和[Fe/H]=0.32±0.11dex....
关键词:疏散星团和星协 个别 NGC 6791 恒星 丰度 恒星 距离 技术 视向速度 
银河系旋臂结构和运动学的VLBI高精度探测
《天文学进展》2011年第2期123-131,共9页徐烨 
国家自然科学基金(11073054;10733030);国家自然科学基金创新群体(10621303);973计划(2007CB815403)
直接测量恒星形成区的距离,从而确定银河系的旋臂结构以及银河系运动学的工作正在逐步展开。通过对恒星形感区脉泽的多历元VLBI观测,利用类星体和脉泽相位参考技术,精确地测定脉泽的位置、自行和视差。精确的距离能够确定旋臂的位置,从...
关键词:银河系结构 三角视差 天体脉泽 
C_2H, HC_3N and HNC observations in OMC-2/3
《Research in Astronomy and Astrophysics》2011年第6期671-678,共8页Qiang Liu Ji Yang Yan Sun Ye Xu 
supported by the National Natural Science Foundation of China (Grant Nos. 11003046, 11073054, 10733030 and 10621303);the National Basic Research Program of China (973 Program, Grant 2007CB815403)
For the first time, the OMC-2/3 region was mapped in C2H (1–0), HC3N (10–9) and HNC (1–0) lines. In general, the emissions from all the three molecular species reveal an extended filamentary structure. The di...
关键词:ISM: abundances-ISM: individual (Orion Molecular Clouds)-ISM: molecules-stars: formation 
Multiwavelength study of low-luminosity 6.7-GHz methanol masers
《Research in Astronomy and Astrophysics》2011年第2期137-155,共19页Yuan-Wei Wu,Ye Xu and Ji Yang Purple Mountain Observatory,Chinese Academy of Sciences,Nanjing 210008,China 
supported by National Natural Science Foundation of China (Grant Nos.11073054,10733030,10703010 and 10621303);the National Basic Research Program of China (2007CB815403);supported in part by the Key Laboratory for Radio Astronomy,CAS
We present results of 13CO(1-0),C18O(1-0),and HCO+(1-0) map observations and N2H+(1-0) single point observations directed towards a sample of nine low-luminosity 6.7-GHz masers.N2H + line emission has been ...
关键词:masers -- ISM: abundances -- ISM: molecules -- stars: formation 
Testing and data reduction of the Chinese Small Telescope Array(CSTAR) for Dome A,Antarctica被引量:3
《Research in Astronomy and Astrophysics》2010年第3期279-290,共12页Xu Zhou Zhen-Yu Wu Zhao-Ji Jiang Xiang-Qun Cui Long-Long Feng Xue-Fei Gong Jing-Yao Hu Qi-Sheng Li Gen-Rong Liu Jun Ma Jia-Li Wang Li-Fan Wang Jiang-Hua Wu Li-Rong Xia Jun Yan Xiang-Yan Yuag Feng-Xiang Zhai Ru Zhang Zhen-Xi Zhu 
supported by the National Natural Science Foundation of China(Grant Nos.10873016,10633020,10603006 and 10803007);by National Basic Research Program of China(973 Program,No.2007CB815403)
The Chinese Small Telescope Array (CSTAR) is the first Chinese astronomical instrument on the Antarctic ice cap. The low temperature and low pressure testing of the data acquisition system was carried out in a labor...
关键词:instrumentation: detectors -- techniques: photometric -- stars: variables 
A multiwavelength study of the massive star-forming region IRAS 22506+5944
《Research in Astronomy and Astrophysics》2009年第12期1343-1350,共8页Yuan-Wei Wu Ye Xu Ji Yang Jing-Jing Li 
supported by the National Natural Science Foundation of China(Grant Nos.10673024,10733030,10703010 and 10621303);the National Basic Research Program of China-973 Program(2007CB815403)
We present a multi-line study of the massive star-forming region IRAS 22506+5944. A new 6.7 GHz methanol maser was detected. ^12CO, 13CO, C180 and HCO+ J = 1 - 0 transition observations reveal a star-formation compl...
关键词:infrared: ISM - ISM: individual (IRAS 22506+5944) - ISM: jets andoutflows -- masers -- stars: formation 
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