Z. G. Deng
Chinese Academy of Sciences
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Publication
Featured researches published by Z. G. Deng.
The Astronomical Journal | 1996
Xiaohui Fan; David Burstein; Jian Sheng Chen; Jin Zhu; Zhaoji Jiang; Hong Wu; Haojing Yan; Zhongyuan Zheng; Xu Zhou; Li Zhi Fang; Fuzhen Chen; Z. G. Deng; Yao-Quan Chu; J. Jeff Hester; Rogier A. Windhorst; Yong Li; Phillip K. Lu; Wei-Hsin Sun; W. P. Chen; Wean Shun Tsay; Tzihong Chiueh; Chih Kang Chou; Chung Ming Ko; Ting Chang Lin; Hui Jean Guo; Yong Ik Byun
We present nine color CCD intermediate-band spectrophotometry of a two square degree field centered on the old open cluster M67, from 3890
The Astrophysical Journal | 2005
Hong Wu; Chen Cao; Cai-Na Hao; Feng-Shan Liu; J. M. Wang; X. Y. Xia; Z. G. Deng; C. Ke-Shih Young
\rm \AA
The Astrophysical Journal | 2005
Hong Wu; Zhengyi Shao; H. J. Mo; X. Y. Xia; Z. G. Deng
to nearly 1
The Astrophysical Journal | 1998
Zhaohui Shang; Zhongyuan Zheng; Elias Brinks; Jiansheng Chen; David Burstein; Hongjun Su; Yong-Ik Byun; Licai Deng; Z. G. Deng; Xiaohui Fan; Zhaoji Jiang; Yong Li; Weipeng Lin; Feng Ma; Wei-Hsin Sun; Beverley J. Wills; Rogier A. Windhorst; Hong Wu; X. Y. Xia; Wen Xu; Suijian Xue; Haojing Yan; Xu Zhou; Jin Zhu; Zhenlong Zou
\mu
The Astronomical Journal | 1999
Zhongyuan Zheng; Zhaohui Shang; Hongjun Su; David Burstein; Jiansheng Chen; Z. G. Deng; Yong Ik Byun; Rui Chen; W. P. Chen; Licai Deng; Xiaohui Fan; Li Zhi Fang; J. Jeff Hester; Zhaoji Jiang; Yong Li; Weipeng Lin; Wei-Hsin Sun; Wean Shun Tsay; Rogier A. Windhorst; Hong Wu; X. Y. Xia; Wen Xu; Suijian Xue; Haojing Yan; Zheng Zheng; Xu Zhou; Jin Zhu; Zhenglong Zou; Phillip K. Lu
. These observations are taken as a part of the BATC (Beijing-Arizona-Taipei-Connecticut) Color Survey of the Sky, for both scientific and calibration reasons. With these data we show that the BATC survey can reach its goal of obtaining spectrophotometry to a zero point accuracy of 0.01 mag, and down to V = 21 with 0.3 mag random error. We fit the color-magnitude diagrams (CMDs) with Wortheys theoretical models. The net result is the excellent fit of the 4.0 Gyr, [Fe/H] =
The Astrophysical Journal | 2007
Zhengyi Shao; Quanbao Xiao; Shiyin Shen; H. J. Mo; X. Y. Xia; Z. G. Deng
-0.10
The Astrophysical Journal | 2005
Cai-Na Hao; X. Y. Xia; Shude Mao; Hong Wu; Z. G. Deng
model to our data, including a good fit to the main sequence (MS) turn-off. Our data are consistent with a toy model with 50\% of the stars in M67 being binaries and a random distribution of binary mass-ratios, although other models with different mass-ratio distributions cannot be ruled out. The spatial distribution and mass function (MF) of stars in M67 show marked effects of dynamical evolution and evaporation of stars from the cluster. Blue stragglers and binary stars are the most condensed within the cluster, with degree of condensation depending on mass.We find M67 to have an elongated shape, oriented at an angle of
The Astrophysical Journal | 2006
J. Wang; X. Y. Xia; Shude Mao; Chen Cao; Hong Wu; Z. G. Deng
15^{\circ}
Monthly Notices of the Royal Astronomical Society | 2009
Feng Liu; Shude Mao; Z. G. Deng; X. Y. Xia; Z. L. Wen
relative to the galactic plane. Within its tidal radius, the observed MF of M67 between 1.2
Monthly Notices of the Royal Astronomical Society | 2008
Chen Cao; X. Y. Xia; Hong Wu; Shude Mao; C. N. Hao; Z. G. Deng
\rm M_\odot
