15 citations · 44 across the 5 of their papers we have counts for
5 papers
An Astrometric Approach to Measuring the Color of an Object
B. F. Guo, Q. Y. Peng, X. Q. Fang +1
The color of a star is a critical feature to reflect its physical property such as the temperature. The color index is usually obtained via absolute photometry, which is demanding…
Astrometry via Close Approach Events: Applications to Main-Belt Asteroid (702) Alauda
B. F. Guo, Q. Y. Peng, A. Vienne +1
The release of Gaia catalog is revolutionary to the astronomy of solar system objects. After some effects such as atmospheric refraction and CCD geometric distortion have been take…
The Astrometric Performance Test of 80-cm Telescope at Yaoan Station and Precise CCD Positions of Apophis
Bifeng Guo, Qingyu Peng, Ying Chen +4
The 80-cm azimuthal telescope is newly mounted at Yaoan Station, Purple Mountain Observatory in 2018. The astrometric performance of the telescope is tested in the following three…
A Deeper Solution to the Actual Geometry of CCD Mosaic Chips
Z. J. Zheng, Q. Y. Peng, A. Vienne +2
We present a solution to determine the actual or physical relative positions between CCD chips. Due to the limited depth of the Gaia catalogue, there may be few stars identified fr…
Investigation and Application of Fitting Models for Centering Algorithms in Astrometry
F. R. Lin, Q. Y. Peng, Z. J. Zheng +2
To determine the precise positions of stars in CCD frames, various centering algorithms have been proposed for astrometry. The effective point spread function (ePSF) and the Gaussi…