Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..393..121f&link_type=abstract
The seventh astrophysical conference: Star formation, near and far. AIP Conference Proceedings, Volume 393, pp. 121-124 (1997).
Astronomy and Astrophysics
Astrophysics
Mass Loss And Stellar Winds, Jets, Outflows, And Bipolar Flows, Circumstellar Shells, Clouds, And Expanding Envelopes, Circumstellar Masers
Scientific paper
Recently published H2 emission data for the bipolar molecular outflow NGC2264G are compared to new CO (2-->1) images. The highest velocity CO emission seems to be arise in a jet that is probably the driving mechanism of the outflow. Virtually all of the H2 emission is found either behind clumps of swept-up ambient material (i.e. closer to the central source of the outflow) or along the axis of the highest velocity CO. The highest velocity CO features are inclined with respect to the general outflow direction, and appear to emerge from H2 emission knots and generally follow a pattern consistent with a deflection of the jet at these points. Radio continuum observations of the central source are also consistent with this model. Deflections of the underlying jet will inevitably produce an outflow significantly wider than the underlying jet itself. We propose that deflections such as the one observed here play a role in producing the wide outflow lobes seen in many, especially older, outflows.
Fich Michel
Lada Charles J.
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