2 papers
astro-ph.SR2026
Orbital Motions of Binaries in Orion South
Luis A. Zapata, Luis F. RodrÃguez
We present high-angular resolution () VLA and ALMA observations of Orion South separated by 15.52 years. The purpose of this study was to search for orbital m…
astro-ph.GA2025
ALMA-QUARKS: Few-Thousand-Year Hatching out of "Egg": The Supersonic Breakout of a Hypercompact H II Region from Its Parental Hot Core
Siju Zhang, Guido Garay, Fengwei Xu +19
The kinematic evolution of hypercompact H II (HC H II) regions around young high-mass stars remains poorly understood due to complex interactions with parental environs. We present…