The Small-Scale Outflow Structure of Embedded Sources in Taurus

Details The Small-Scale Outflow Structure of Embedded Sources in Taurus The Small-Scale Outflow Structure of Embedded Sources in Taurus

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.224..109c&link_type=abstract

Astrophysics and Space Science, Volume 224, Issue 1-2, pp. 109-112

Astronomy and Astrophysics

Astrophysics

Jets And Outflows, Reflection Nebulae, Tmc1, Tmc1A

Scientific paper

High resolution interferometric COJ=1-0 observations of the outflows from two young embedded sources, TMC1 and TMC1A, show the high-velocity gas to have a conical structure, with a constant opening angle of ˜ 45° extending to within 1000 AU of the central stars. The correspondence of near-infrared reflection nebulosity atK band with blueshifted CO emission in both objects suggests the lobes are partially evacuated, as do position-velocity diagrams from single-dish COJ=2-1 data. We suggest that the outflows are driven by jets which impart momentum to the ambient medium through shocks, rather than through the entrainment of molecular material along the edges of the jet.

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