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...
funded by the National Aeronautics and Space Administration;the National Science Foundation;supported by the National Natural Science Foundation of China (Grant Nos. 10873037, 10921063 and 11233007);supported by the National Basic Research Program of China (973 program, 2007CB815406)
We present a study of the Galactic bubble N4 using the 13.7 m millimeterwave telescope, which is managed by Purple Mountain Observatory at Qinghai Station. N4 is one of the science demonstration regions where simultan...
supported by the National Natural Science Foundation of China (Grant Nos. 10873037 and 10921063);partially supported by the National Basic Research Program of China (973 Program, 2007CB815406)
We present the analysis of Spitzer/IRAC and near infrared imaging obser- vation of AFGL 5157, an active star forming region. In the IRAC images, this region shows strong emissions of polycyclic aromatic hydrocarbons i...
supported by the National Natural Science Foundation of China (Grant Nos. 11173030, 10833006, 10773014,10978014 and 11078017);the National Basic Research Program of China (973 Program,Grant Nos. 2007CB815406 and 2012CB821803);partially supported by the Open Project Program of the Key Laboratory of Optical Astronomy, National Astronomical Observatories,Chinese Academy of Sciences
Stellar bars are important for the secular evolution of disk galaxies because they can drive gas into the galactic central regions. To investigate the star formation properties in barred galaxies, we presented a multi...
supported by the National Natural Science Foundation of China (Grant Nos.10833006 and 10621303);the National Basic Research Program of China (Grant No.2007CB815406)
We study the global star formation law, the relation between the gas and star formation rate (SFR) in a sample of 130 local galaxies with infrared (IR) luminosities spanning over three orders of magnitude (109-10...
supported by the National Natural Science Foundation of China (Grant Nos. 10833006, 10773014, and 10978014);the Ministry of Science and Technology National Basic Science program (973 Program, Grant No. 2007CB815406)
We present a stellar population synthesis study of a type II luminous infrared galaxy, IRAS F21013-0739. Optical images show clear characteristics of a merger remnant. The H-band absolute magnitude is MH = -25.1, whic...
supported by the National Natural Science Foundation of China (Grant No. 10821061);the National Basic Research Program of China (Grant No. 2007CB815406);the Chinese Academy of Sciences (Grant No. KJCX2-YW-T24)
HD 49798 is a hydrogen depleted subdwarf 06 star and has an X-ray pulsating companion (RX J0648.0-4418). The X-ray pulsating companion is a massive white dwarf. Employing Eggleton's stellar evolution code with the ...
supported by the National Natural Science Foundation of China (Grant Nos. 10425313,10833006,and 10621303);the Chinese Academy of Sciences’ Hundred Talent Program, and the National Basic Research Program of China(Grant No. 2007CB815406)
We present our 12CO and 13CO mapping observations of SNR IC 443 interacting with molecular clouds.It is the first largescale high-resolution 13CO mapping observation in the surrounding region.The morphologies of IC 44...