133 citations · 589 across the 23 of their papers we have counts for
24 papers
The porous envelope and circumstellar wind matter of the closest carbon star, CW Leonis
Hyosun Kim, Ho-Gyu Lee, Youichi Ohyama +5
Recent abrupt changes of CW Leonis may indicate that we are witnessing the moment that the central carbon star is evolving off the Asymptotic Giant Branch (AGB) and entering into t…
Transverse Wind Velocity Recorded in Spiral-Shell Pattern
Hyosun Kim
The propagation speed of a circumstellar pattern revealed in the plane of the sky is often assumed to represent the expansion speed of the wind matter ejected from a post-main-sequ…
Formation of the Asymmetric Accretion Disk from Stellar Wind Accretion in an S-type Symbiotic Star
Young-Min Lee, Hyosun Kim, Hee-Won Lee
The accretion process in a typical S-type symbiotic star, targeting~AG Draconis, is investigated through 3D hydrodynamical simulations using the FLASH code. Regardless of the wind…
The Nearby Evolved Stars Survey II: Constructing a volume-limited sample and first results from the James Clerk Maxwell Telescope
P. Scicluna, F. Kemper, I. McDonald +89
The Nearby Evolved Stars Survey (NESS) is a volume-complete sample of 850 Galactic evolved stars within 3\,kpc at (sub-)mm wavelengths, observed in the CO (21) and…
Structure and dynamics of the inner nebula around the symbiotic stellar system R Aqr
V. Bujarrabal, M. Agundez, M. Gomez-Garrido +5
We investigate the structure, dynamics, and chemistry of the molecule-rich nebula around the stellar symbiotic system R Aqr, which is significantly affected by the presence of a wh…
Multi-epoch Optical Images of IRC+10216 Tell About the Central Star And the Adjacent Environment
Hyosun Kim, Ho-Gyu Lee, Youichi Ohyama +5
Six images of IRC+10216 taken by the Hubble Space Telescope at three epochs in 2001, 2011, and 2016 are compared in the rest frame of the central carbon star. An accurate astrometr…