期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (6)
A large reflector antenna has been widely used in satellite communications, gravitational wave detection, galaxy origin observation and other fields d......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (6)
Stellar activity cycles have been found on many stars through different methods. Although in debate, an empirical relation has been found where a peri......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (3)
In this work, we studied the variable stars in the open cluster NGC 1912 based on the photometric observations and Gaia DR2 data. More than 3600 CCD f......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (4)
The complete orbital and spin period evolutions of the double neutron star (NS) system PSR J0737-3039 are simulated from birth to coalescence, which i......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (6)
We report the detection of a large sample of high-alpha-metal-rich stars on the low giant branch with 2.6 < log g < 3.3 dex in the LAMOST-MRS su......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (7)
PMN J0218-2307 (4FGL J0218.9-2305) is classified as a blazar candidate with unknown type (BCU) in the fourth source catalog from the Fermi Large Area ......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (7)
Observing a telluric standard star for correcting the telluric absorption lines of spectrum will take a significant amount of precious telescope time,......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (6)
Accurate estimation of cratering asymmetry on the Moon is crucial for understanding Moon evolution history. Early studies of cratering asymmetry have ......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (3)
The special GRB 130310A was observed by Fermi Gamma-Ray Burst Monitor and Large Area Telescope, with T (90)similar to 2.4 s. With a combination of a B......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (4)
In this work, we train three decision-tree based ensemble machine learning algorithms (Random Forest Classifier, Adaptive Boosting and Gradient Boosti......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (5)
The continuous observation of the magnetic field by the Solar Dynamics Observatory (SDO)/Helioseismic and Magnetic Imager (HMI) produces numerous imag......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (3)
Debris disks around stars are considered as components of planetary systems. Constraining the dust properties of these disks can give crucial informat......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (3)
Astrochemical modeling is needed for understanding the formation and evolution of interstellar molecules, and for extracting physical information from......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (4)
Phased array feeds (PAFs), which illuminate the dish with digitally synthesized beams instead of separated horns, provide the capability for wider and......
期刊: RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021; 21 (7)
A new orbit of Triton was provided by our previous work, benefitted by new Gaia Data, both in a new precise reduction of charge-coupled device observa......