Author

Bi-Xuan Zhao

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Open access Oct 2026

A Point-source Catalogue from Direction-dependent Calibrated 21CMA Images

We present a deep low-frequency radio point-source catalogue centred on the North Celestial Pole (NCP) and extending 5○ in radius, derived from a single 24-h observation with the 21 CentiMeter Array (21CMA). Covering 75–175 MHz, the catalogue characterises extragalactic foreground point sources for Epoch of Reionizat...

Qi-Zhe Tang, Jing-Ying Wang, Jun-Hua Gu et al. · Monthly notices of the Royal... · 0 citations

Review Oct 2026

On the Orbital Evolution of Giant Planet Pair Embedded in a Gaseous Disk. III. simultaneous gas accretion and the final mass ratio

Recent exoplanet surveys reveal a systematic trend in the mass ratios of giant planet pairs ($>30 M_\oplus$). Although the $M_{outer}/M_{inner}$ is broadly centered near unity, it exhibits a dependence on orbital separation. Compact pairs tend to have comparable masses, whereas widely separated pairs show outer-heavy c...

Bi-Xuan Zhao, Hui Zhang, Yin-Hao Wu et al. · 0 citations