期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (4)
We present for the first time the X-ray luminosity function of short gamma-ray bursts (sGRBs) estimated from 22 Fermi sGRBs. We find that the cumulati......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (7)
The temporal and spatial variations of solar magnetic activity indices in the various atmospheric layers are important for understanding and revealing......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (6)
To determine the precise positions of stars in CCD frames, various centering algorithms have been proposed for astrometry. The effective point spread ......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (8)
The Kelvin-Helmholtz instability on the ionopause of Venus with different density ratios and magnetic Reynolds numbers has been simulated numerically ......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (8)
Ionosphere parameters obtained from International Global Navigation Satellite System (GNSS) Service (IGS) stations and SWARM satellites were used to a......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (8)
The wavelength-dependent transit depth indicates the atmosphere composition of an exoplanet. We analyze the transit depth of HATS-5b using the data fr......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (6)
The Main Belt Comet 133P/Elst-Pizarro is one of the targets in China's asteroid exploration mission. To support this goal, gravity field estimation fo......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (6)
The distant retrograde orbits (DROs) can serve as the parking orbits for a long-term cis-lunar space station. This paper gives a comprehensive study o......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (3)
In order to support the analysis of potential long-term trends in the Sun's variability and trace the WRR ground calibration ratio to the measurement ......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (3)
The nonlinear dynamics of an elliptic restricted three-body system with perturbations such as radiation and albedo are studied in this paper. The effe......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (1)
By expanding the perturbation function of tesseral harmonic J(22) term of the earth's non spherical gravitation, it is found that there is a term cos2......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (1)
This paper describes a novel homotopy method to compute fuel-optimal trajectories starting from a time-optimal solution. The time-optimal problem is p......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (1)
In this work, we compiled a sample of 1172 4FGL blazars with available spectral information and broadband intensities to the study the spectral indice......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (1)
This paper presents a statistical analysis of soft X-ray flares during the period January 1986 to June 2017 covering the last three solar cycles (SCs)......
期刊: ASTROPHYSICS AND SPACE SCIENCE, 2021; 366 (1)
In this paper, the prediction model for ionospheric total electron content (TEC) based on Long Short-Term Memory (LSTM) deep learning network and its ......