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Young Stellar Outflows

Molecular outflows (seen in the radio) from young stars were discovered in 1981, and "giant" Herbig-Haro flows (seen in the optical) have been recognized as associated with these outflows in just the past few years. The work of Hector Arce and collaborators, described in the publications below, shows that: 1) outflows contain enough momentum and energy to drive MHD turbulence in a large fraction of a molecular cloud's volume; 2) outflows are highly episodic; and 3) a model of outflows that involves prompt entrainment of gas at the head of (an episodic) jet provides the best fit to observations.

Collaborators: Publications:
Young Stellar Outflows


Last modified on Monday, 22-Jan-2007 12:10:31 EST