3 papers
astro-ph.EP2024
Simulating the Escaping Atmosphere of GJ 436 b with Two-fluid Magnetohydrodynamic Models
Lei Xing, Jianheng Guo, Chuyuan Yang +1
Observations of transmission spectra reveal that hot Jupiters and Neptunes are likely to possess escaping atmospheres driven by stellar radiation. Numerous models predict that magn…
astro-ph.EP2024
A possibly solar metallicity atmosphere escaping from HAT-P-32b revealed by H and He absorption
Dongdong Yan, Jianheng Guo, Kwang-il Seon +3
This paper presents a hydrodynamic simulation that couples detailed non-local thermodynamic equilibrium (NLTE) calculations of the hydrogen and helium level populations to model th…
astro-ph.EP2024
Long-term double synchronization in close-in gas giant planets
Shuaishuai Guo, Jianheng Guo, Jie Su +1
Hot Jupiters, orbiting their host stars at extremely close distances, undergo tidal evolution, with some being engulfed by their stars due to angular momentum exchanges induced by…