3 papers
astro-ph.EP2026
Accuracy Analysis of VLBI Universal Time Measurement Based on a GNSS Single-Station Regional Ionospheric Model
Xu-chong Duan, Dang Yao, Yuan-wei Wu +3
Universal Time (UT1) is a key parameter characterizing Earth's rotation, and very long baseline interferometry (VLBI) is the mainstream technique for measuring UT1. To address the…
astro-ph.EP2026
Prediction of Celestial Pole Offsets Based on Sliding Window and Bivariate Least Squares Fitting
Wang Wei-long, Wu Yuan-wei, Li Xi-shun +4
As an important component of Earth Orientation Parameters (EOP), the prediction of Celestial Pole Offsets (CPO) holds significant importance for missions such as deep space explora…
astro-ph.IM2026
GASV: A New VLBI analysis software for Geodesy and Astrometry
Dang Yao, Yuan-wei Wu, Xu-hai Yang
We present GASV, a novel Python-based software package specifically designed for the analysis of Very Long Baseline Interferometry (VLBI) data. Developed with ease of installation…