Gemini NIFS Integral Field Spectroscopy of YSO Environments: Spatially Extended Molecular Hydrogen Emission in the Inner 200 AU

Details Gemini NIFS Integral Field Spectroscopy of YSO Environments: Spatially Extended Molecular Hydrogen Emission in the Inner 200 AU Gemini NIFS Integral Field Spectroscopy of YSO Environments: Spatially Extended Molecular Hydrogen Emission in the Inner 200 AU

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.5705b&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #57.05; Bulletin of the American Astronomical Society, V

Physics

Optics

Scientific paper

We present near infrared 2.0-2.4 micron R 5000 integral field spectroscopy at adaptive optics (0."1) spatial resolution of six Classical T Tauri stars: T Tau, DG Tau, XZ Tau, HL Tau, RW Aur and HV Tau C. Molecular hydrogen v=1-0 S(1) (2.12 micron) emission is detected in all stars, and we find that the majority of the H2 is not spatially coincident with continuum emission. The distribution and kinematics of the v=1-0 S(1) emission are investigated, as are the emission line ratios from several H2 features detected in the spectra. The data are placed in the context of multiple characteristics for disk-like versus outflow-like emission in order to study the excitation mechanisms and physical environments of the H2. The molecular hydrogen within 200 AUs of these stars is largely consistent with emission in the inner regions of the known Herbig-Haro energy flows and walls of the outflow cavities.

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