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disk structure

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2 - Protoplanetary Disk Structure
Philip J. Armitage, Stony Brook University, State University of New York
Book:

Astrophysics of Planet Formation

Published online:

27 January 2020

Print publication:

30 January 2020, pp 49-85
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Summary

Chapter 2 discusses the structure of gaseous protoplanetary disks. It begins by explaining how observations can be used to infer disk mass, disk structure, and stellar accretion rate. The vertical structure of a gas disk in hydrostatic equilibrium is derived, and the considerations that determine the surface density and temperature profile of a passive disk are described. The concept of the condensation sequence is outlined, along with the ionization and recombination processes that determine the ionization state. Physical processes that can produce large-scale structure in disks - zonal flows, vortices, and ice lines - are discussed.