Search for Core-disrupting Wide-Angle Winds

Details Search for Core-disrupting Wide-Angle Winds Search for Core-disrupting Wide-Angle Winds

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003hst..prop.9785c&link_type=abstract

HST Proposal ID #9785

Physics

Hst Proposal Id #9785 Star Formation

Scientific paper

We propose to obtain observations with STIS/FUV-MAMA of H_2 fluorescent lines along the cavity surrounding the star T Tau N. Since H_2 fluorescent lines are direct tracers of shock-excitation in low-mass star-forming regions, the high resolution achievable with STIS will allow us to delineate the region of interaction between the wind and the cloud, and to investigate the geometry of the outflow at unprecedentedly close distances to its source, < 100 AU. Our observations will allow us to confirm, map out, and provide quantitative estimates of the off-axis {wide-angle} flow for the first time. Understanding the geometry of the wind is crucial because {1} it determines whether outflows can disrupt their natal cores, and {2} it tests theories of jet production and collimation.

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