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astro-ph.SR2024
Evolution From Asymptotic Giant Branch to Pre-planetary Nebula: Whorled Patterns and Stellar Companions
Hyosun Kim
Bipolar or multipolar lobes in pre-planetary nebulae (pPNe) often exhibit intertwined outer whorled patterns, resulting from stellar wind matter accumulation during the asymptotic…
astro-ph.SR2024
High-Speed Outflows and Dusty Disks during the AGB to PN Transition: The PANORAMA survey
Raghvendra Sahai, Javier Alcolea, Bruce Balick +15
As mass-losing asymptotic giant branch (AGB) stars evolve to planetary nebulae (PNe), the mass outflow geometries transform from nearly spherical to extreme aspherical. The physica…
astro-ph.SR2024
Pinwheel Outflow induced by Stellar Mass Loss in a Coplanar Triple System
Hyosun Kim, Mark R. Morris, Jongsoo Kim +1
We develop a physical framework for interpreting complex circumstellar patterns whorled around asymptotic giant branch (AGB) stars by investigating stable, coplanar triple systems…