期刊： ASTRONOMICAL JOURNAL, 2021; 162 (1)
We report the flare activity of Wolf 359, the fifth closest star to the Sun and a candidate exoplanet-hosting M dwarf. The star was a target of the Ke......
期刊： ASTRONOMICAL JOURNAL, 2021; 161 (5)
The large time span and precise observational data of natural satellites is of great significance for updating their ephemerides and studying their dy......
期刊： ASTRONOMICAL JOURNAL, 2021; 162 (1)
The landing site of China's Chang'e-4 (CE-4) probe is located on the mare basalts on the floor of the Von Karman crater on the lunar far side. The Von......
期刊： ASTRONOMICAL JOURNAL, 2021; 162 (1)
High precision CCD observations of six totally eclipsing contact binaries were presented and analyzed. It is found that only one target is an A-type c......
期刊： ASTRONOMICAL JOURNAL, 2021; 161 (5)
Measurements of gas mass in protoplanetary gas disks form the basis for estimating the conditions of planet formation. Among the most important constr......
期刊： ASTRONOMICAL JOURNAL, 2021; 162 (2)
Measuring the obliquity distribution of stars hosting warm Jupiters may help us to understand the formation of close-orbiting gas giants. Few such mea......
期刊： ASTRONOMICAL JOURNAL, 2021; 161 (5)
Wide-field small aperture optical telescopes are widely used in large-scale surveys currently and they have made great contributions in a number of as......
期刊： ASTRONOMICAL JOURNAL, 2021; 162 (4)
The ESA's Mars Express solar corona experiments were performed at two solar conjunctions in the years 2015 and 2017 by a number of radio telescopes in......
期刊： ASTRONOMICAL JOURNAL, 2021; 162 (1)
Rotation is a critical physical process operating in the formation of Am stars. There is a strong correlation between low-velocity rotation and chemic......
期刊： ASTRONOMICAL JOURNAL, 2021; 162 (2)
The dynamical history of stars influences the formation and evolution of planets significantly. To explore the influence of dynamical history on the p......
期刊： ASTRONOMICAL JOURNAL, 2021; 162 (2)
We monitored a 3 deg(2) area toward Serpens Main in the Pan-STARRS1 r, i, and z bands from 2016 April to September. Light curves of more than 11,000 s......
期刊： ASTRONOMICAL JOURNAL, 2021; 161 (5)
Recent discoveries of young exoplanets within their natal disks offer exciting opportunities to study ongoing planet formation. In particular, a plane......
期刊： ASTRONOMICAL JOURNAL, 2021; 161 (6)
Star-planet interaction can be studied by analyzing exoplanetary orbit and stellar rotation modulations of the transit emissions from exoplanetary sys......
期刊： ASTRONOMICAL JOURNAL, 2021; 162 (3)
Quantitative calculation of reflected polarized light from planets is of great significance to interpret the polarimetric observations of planetary at......
期刊： ASTRONOMICAL JOURNAL, 2021; 162 (2)
The near-Sun comet C/2019 Y4 (ATLAS) is the first member of a long-period comet group observed to disintegrate well before perihelion. Here we present......
