3 papers
astro-ph.GA2026
Gravity-driven Emergence of Multi-fractal Density Structure in the Orion A Integral Shaped Filament
Mengke Zhao, Guang-Xing Li, Keping Qiu +1
Molecular clouds are often described as self-similar structures, although spatially averaged measures do not retain local variations in density scaling. We use the density exponent…
astro-ph.GA2025
A recent re-acceleration of the Local Bubble revealed by kinematics of young star associations
Guang-Ya Zeng, Guang-Xing Li, Bing-Qiu Chen +2
The low-density region of the interstellar medium (ISM) where the Sun is located is known as the Local Bubble, a cavity filled with high-temperature and low-density plasma that may…
astro-ph.GA2025
Stellar parameters, extinction, and distances for stars in SMSS DR2 by SPar method
Mingxu Sun, Bingqiu Chen, Baokun Sun +8
The availability of large datasets containing stellar parameters, distances, and extinctions for stars in the Milky Way, particularly within the Galactic disk, is essential for adv…