Paper:	MHD Disk Winds in PNe and pPNe
Volume:	313, Asymmetrical Planetary Nebulae III
Page:	456
Authors:	Frank, A.
Abstract:	Winds from accretion disks have been proposed as the driving source for precessing jets and extreme bipolar morphologies in Planetary Nebulae (PNe) and proto-PNe (pPNe). Here we apply MHD disk wind models to PNe and pPNe by estimating separately the asymptotic MHD wind velocities and mass loss rates. We show that the resulting winds can recover the observed momentum and energy input rates for PNe and pPNe.

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