Inner Rim of a Molecular Disk Spatially Resolved in Infrared CO Emission Lines
作者： T. Usuda , C. P. Dullemond , H. Linz , M. Goto , H. Suto
DOI: 10.1086/506582
关键词: Photoevaporation 、 Accretion (astrophysics) 、 Astrophysics 、 Physics 、 Infrared 、 Astronomy 、 Star formation 、 Planetary system 、 Schwarzschild radius 、 Emission spectrum 、 Radius
摘要: We present high-resolution infrared spectroscopy of the Herbig Ae star HD 141569A in CO v = 2-1 transition. With angular resolution attained by adaptive optics system, gas disk around is spatially resolved down to its inner-rim truncation. The size inner clearing 11 ± 2 AU radius, close gravitational radius star. rough coincidence with indicates that viscous accretion working together photoevaporation stellar radiation has cleared part disk.
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