Letter

• IRAS 01005+7910: a High Galactic Latitude Post-AGB Star

  Jing-Yao Hu

  

  193-196

Research Paper

• Positions and Spectral Energy Distributions of 41 Star Clusters in M33

  Jun Ma, Xu Zhou, Jian-Sheng Chen, Hong Wu, Zhao-Ji Jiang, Sui-Jian Xue, Jin Zhu

  

  197-206

• The Variability of Hardness Ratio 1 observed by ROSAT: Narrow-Line Seyfert 1 Galaxies versus Broad-Line Seyfert 1 Galaxies

  Lin-Peng Cheng, Jian-Yan Wei, Yong-Heng Zhao

  

  207-215

• Determination of the Proper Motions and Membership of the Globular Cluster M3 and of its Orbit in the Galaxy

  Zhen-Yu Wu, Jia-Ji Wang, Li Chen

  

  216-225

• History of Star Formation and Chemical Enrichment in the Milky Way Disk

  Rui-Xiang Chang, Cheng-Gang Shu, Jin-Liang Hou

  

  226-247

• An Exact Anisotropic Quark Star Model

  M. K. Mak, T. Harko

  

  248-259

• Near-Infrared Imaging Observations of the Orion A-W Star Forming Region

  Jun-Jie Wang

  

  260-265

• Magnetic Field Strengths and Structures from Radio Observations of Solar Active Regions

  Chang-Xi Zhang, G. B. Gelfreikh, Jing-Xiu Wang

  

  266-276

• Line Broadening in a Limb Flare: Derivation of Macro-turbulent Velocity Fields

  Ying Liu, Ming-De Ding

  

  277-286

• An Electron Density Model above the Sunspot from a Mapping of NOAA 7260 at 17 GHz

  Xing-Feng Yu, Jin-Xing Yao

  

  287-292