国家自然科学基金(10733030)

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A comparison of approaches in fitting continuum SEDs
《Research in Astronomy and Astrophysics》2013年第4期420-434,共15页Yao Liu David Madlener Sebastian Wolf Hong-Chi Wang 
support by the German Academic Exchange Service. H.W.;support by the National Natural Science Foundation of China (Grant Nos. 10733030,10921063 and 11173060)
We present a detailed comparison of two approaches, the use of a precalculated database and simulated annealing (SA), for fitting the continuum spectral energy distribution (SED) of astrophysical objects whose app...
关键词:methods numerical - radiative transfer - protoplanetary disks 
Mass segregation of embedded clusters in the Milky Way
《Research in Astronomy and Astrophysics》2013年第3期277-289,共13页Xin-Yue Er Zhi-Bo Jiang Yan-Ning Fu 
project of the University of Massachusetts and the Infrared Processing and Analysis Center/California Institute of Technology;funded by the National Aeronautics and Space Administration and the National Science Foundation;supported by the National Natural Science Foundation of China(Grant Nos.10873037,10921063,10733030 and 10833001)
Embedded clusters are ideal laboratories for understanding the early phase of the dynamical evolution of clusters as well as massive star formation. An interesting observational phenomenon is that some of the embedded...
关键词:open clusters and associations: general -- stars: formation -- methods:data analysis 
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 
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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