Parker Winds Revisited: An Extension to Disk Winds

Details Parker Winds Revisited: An Extension to Disk Winds Parker Winds Revisited: An Extension to Disk Winds

2012-01-04

arxiv.org/abs/1201.0865v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

2 pages, 1 figure. Conference proceedings, AGN Winds in Charleston

Scientific paper

A simple, one-dimensional dynamical model of thermally driven disk winds, one in the spirit of the original Parker (1958) model, is presented. We consider two different axi-symmetric streamline geometries: geometry (i) is commonly used in kinematic models to compute synthetic spectra, while geometry (ii), which exhibits self-similarity and more closely resembles the geometry found by many numerical simulations of disk winds, is likely unused for this purpose - although it easily can be with existing kinematic models. We make the case that it should be, i.e. that geometry (ii) leads to transonic wind solutions with substantially different properties.

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