The Peculiar Physics of Line-Driving Stan Owocki Bartol Research Institute University of Delaware Outline: Radiative force from free electron scattering.

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Presentation transcript:

The Peculiar Physics of Line-Driving Stan Owocki Bartol Research Institute University of Delaware Outline: Radiative force from free electron scattering Resonant amplification of line-scattering Doppler sweeping of thick lines CAK theory for steady, spherical wind Line-driven instability Multi-D winds with vector line-force: Winds from rotating stars Wind Compressed Disks (WCDs) WCD inhibition by nonradial line-force Spindown of wind rotation Colliding wind binaries Radiative braking Line-driven ablation Summary Colloborators: Ken Gayley, U. Iowa Joachim Puls, U. Munich Steve Cranmer, CfA

Doppler Shifting of Line-Absorption in an Accelerating Stellar Wind

Formation of Black Troughs in Saturated P-Cygni Line-Profiles from Structured Stellar Winds

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