Magnetic Towers and Binary-Formed Disks: New Results for PN Evolution
Mart\'in Huarte-Espinosa, Adam Frank (University of Rochester)
TL;DR
This paper presents 3-D MHD simulations of magnetic towers and accretion disks in proto-planetary nebulae, revealing insights into their formation, stability, and properties, advancing understanding of PPN evolution.
Contribution
It introduces new simulation results on magnetic tower dynamics and disk formation limits, providing novel insights into PPN evolution mechanisms.
Findings
Magnetic towers can explain key PPN flow properties.
Disk formation is limited by wind capture conditions.
Simulations reveal stability regimes for magnetic structures.
Abstract
We present new results of 3-D AMR MHD simulations focusing on two distinct aspects of PPN evolution. We first report new simulations of collimated outflows driven entirely by magnetic fields. These Poynting flux dominated "magnetic towers" hold promise for explaining key properties of PPN flows. Our simulations address magnetic tower evolution and stability. We also present results of a campaign of simulations to explore the development of accretion disks formed via wind capture. Our result focus on the limits of disk formation and the range of disk properties.
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