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A Multilevel Scheduling Framework for Distributed Time-domain Large-area Sky Survey Telescope Array
Yajie Zhang, Ce Yu, Chao Sun +5
Telescope arrays are receiving increasing attention due to their promise of higher resource utilization, greater sky survey area, and higher frequency of full space-time monitoring…
Cloud Cover and Aurora Contamination at Dome A in 2017 from KLCAM
Xu Yang, Zhaohui Shang, Keliang Hu +6
Dome A in Antarctica has many characteristics that make it an excellent site for astronomical observations, from the optical to the terahertz. Quantitative site testing is still ne…
NBFTP: A Dedicated Data Transfer System for Remote Astronomical Observation at Dome A
Siyuan Huang, Ce Yu, Chao Sun +5
Dome A, Antarctica has been thought to be one of the best astronomical sites on the earth since decades ago. From it was first visited by astronomers in 2008, dozens of facilities…
Automation of the AST3 optical sky survey from Dome~A, Antarctica
Bin Ma, Yi Hu, Zhaohui Shang +6
The 0.5\,m Antarctic Survey Telescopes (AST3) were designed for time-domain optical/infrared astronomy. They are located in Dome~A, Antarctica, where they can take advantage of the…
Meteorological data from KLAWS-2G for an astronomical site survey of Dome A, Antarctica
Yi Hu, Keliang Hu, Zhaohui Shang +8
We present an analysis of meteorological data from the second generation of the Kunlun Automated Weather Station (KLAWS-2G) at Dome A, Antarctica during 2015 and 2016. We find that…
The First Release of the AST3-1 Point Source Catalogue from Dome A, Antarctica
Bin Ma, Zhaohui Shang, Yi Hu +35
The three Antarctic Survey Telescopes (AST3) aim to carry out time domain imaging survey at Dome A, Antarctica. The first of the three telescopes (AST3-1) was successfully deployed…
Variable Stars Observed in the Galactic Disk by AST3-1 from Dome A, Antarctica
Lingzhi Wang, Bin Ma, Gang Li +15
AST3-1 is the second-generation wide-field optical photometric telescope dedicated to time domain astronomy at Dome A, Antarctica. Here we present the results of band images su…
Meteorological data for the astronomical site at Dome A, Antarctica
Yi Hu, Zhaohui Shang, Michael C. B. Ashley +7
We present an analysis of the meteorological data collected at Dome A, Antarctica by the Kunlun Automated Weather Station, including temperatures and wind speeds at eight elevation…
Problems with twilight/supersky flat-field for wide-field robotic telescopes and the solution
Peng Wei, Zhaohui Shang, Bin Ma +3
Twilight/night sky images are often used for flat-fielding CCD images, but the brightness gradient in twilight/night sky causes problems of accurate flat-field correction in astron…
The nonlinear photon transfer curve of CCDs and its effects on photometry
Bin Ma, Zhaohui Shang, Lifan Wang +3
The photon transfer curve (PTC, variance vs. signal level) is a commonly used and effective tool in characterizing CCD performance. It is theoretically linear in the range where ph…
Data characterization using artificial-star tests: performance evaluation
Yi Hu, Licai Deng, Richard de Grijs +1
Traditional artificial-star tests are widely applied to photometry in crowded stellar fields. However, to obtain reliable binary fractions (and their uncertainties) of remote, dens…