Astrometry opened the era of modern astronomy/physics and plays a crucial role in contemporary astronomy, including the measurement of the three-dimensional structure of the Milky Way, black hole dete...
The 2m-aperture Chinese Survey Space Telescope (also known as the Chinese Space Station Telescope, CSST) is a major science project of China Manned Space Program. It is expected to start science opera...
I will present recent results of the kinematics of planetary nebulae (PNe) and globular clusters (GCs) out to about 200 kpc from the center of the Fornax cluster. We have collected more than 2000 new ...
X-ray spectroscopy is one of our main tools for studying the physical and chemical properties of the intracluster, intragroup, circumgalactic, and intergalactic media, and understanding their connecti...
The asteroids provide excellent opportunities to study the formation and early evolution of the Solar System. This is because they are small and can not retain heat efficiently, and thus cooled early ...