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  1. No Access

    Article

    Night-time measurements of astronomical seeing at Dome A in Antarctica

    Seeing—the angular size of stellar images blurred by atmospheric turbulence—is a critical parameter used to assess the quality of astronomical sites at optical/infrared wavelengths. Median values at the best m...

    Bin Ma, Zhaohui Shang, Yi Hu, Keliang Hu, Yongjiang Wang, Xu Yang… in Nature (2020)

  2. No Access

    Chapter and Conference Paper

    A Data-Aware Energy-Saving Storage Management Strategy for On-Site Astronomical Observation at Dome A

    The high energy consumption of storage system has always been a thorny issue especially when power supply is limited, e.g. the case of astronomical observation at Dome A in the Antarctic. Many general-purpose ...

    **aoxiao Lu, Chao Sun, Ce Yu, Jizhou Sun… in Algorithms and Architectures for Parallel … (2018)

  3. No Access

    Chapter and Conference Paper

    Optimized Data Layout for Spatio-temporal Data in Time Domain Astronomy

    Spatio-temporal data is a common data-type in astronomy, and layouts for this data are generally to improve the performance. However, restricted by Antarctic environmental conditions, the energy consumption of...

    Jie Yan, Ce Yu, Chao Sun, Zhaohui Shang… in Algorithms and Architectures for Parallel … (2017)

  4. No Access

    Article

    Terahertz and far-infrared windows opened at Dome A in Antarctica

    The terahertz and far-infrared band, ranging from approximately 0.3 THz to 15 THz (1 mm to 20 μm), is important for astrophysics as it hosts the peak of the thermal radiation of the cold component of the Unive...

    Sheng-Cai Shi, Scott Paine, Qi-Jun Yao, Zhen-Hui Lin, **n-**ng Li… in Nature Astronomy (2016)

  5. No Access

    Article

    Effect of cone angle on the hydraulic characteristics of globe control valve

    Globe control valve is widely used in chemical, petroleum and hydraulic industries, and its throttling feature is achieved by the adopting of valve plug. However, very limited information is available in liter...

    Zhe Lin, Huijie Wang, Zhaohui Shang… in Chinese Journal of Mechanical Engineering (2015)

  6. No Access

    Chapter and Conference Paper

    An Energy Efficient Storage System for Astronomical Observation Data on Dome A

    In recent years, the research community has initiated different efforts to save energy consumption of the storage system in practical application scenarios. However, restricted by Antarctic environmental condi...

    Zichao Yuan, Ce Yu, Jizhou Sun, Jian **ao… in Algorithms and Architectures for Parallel … (2015)

  7. No Access

    Article

    Scale height determination of spiral galaxies

    The method adopted here is based on the rigorous solution of Poisson’s equation for logarithmic disturbance density within finite thickness galaxies. After their spiral arms are fitted directly with logarithmi...

    Zhaohui Ji, Zhaohui Shang, Qiuhe Peng in Science in China Series A: Mathematics (1997)

  8. No Access

    Article

    F07164+5301: an ESB source with WR features

    We report on a new ESB source, as defined by Allenet al. (1991), with Wolf-Rayet (WR) bands in its optical spectrum. The WR bump at λλ4605-4686 is detected. The bump consists of broad HeII λ4686, NVλλ4605-4619, N...

    Jiehao Huang, Qiusheng Gu, Hongjun Su, Zhaohui Shang in Astrophysics and Space Science (1996)

  9. No Access

    Article

    Report on discovery of new Seyfert galaxies

    We report our discovery of new active galaxies in a small sample of 23 sources with 2.16 m telescope at Bei**g Astronomical Observatory. After wavelength and flux calibration, they are classified by their deg...

    Qiusheng Gu, Jiehao Huang, Zhaohui Shang, Hongjun Su… in Astrophysics and Space Science (1995)