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astro-ph1997
Where's the Disk?: LBV bubbles and Aspherical Fast Winds
Adam Frank
Previous studies have explained the shapes of LBV nebulae, such as eta Car, by invoking the interaction of an isotropic fast wind with a previously deposited, slow aspherical wind…
astro-ph1997
Hydrodynamic collimation of YSO jets
Adam Frank, Garrelt Mellema
We present the results of numerical hydrodynamic models for the collimation of outflows from young stellar objects. We show that the presence of a toroidal environment can lead to…