Outflow-Circumstellar Envelope Interactions in Protostars

Details Outflow-Circumstellar Envelope Interactions in Protostars Outflow-Circumstellar Envelope Interactions in Protostars

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..221..345a&link_type=abstract

Star Formation at High Angular Resolution, International Astronomical Union Symposium 221, held during the XXV General Assembly

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We present the results of a high angular resolution (< 5 arcsec) survey of protostars with outflows, at different evolutionary stages, using the Owens Valley Radio Observatory Millimeter Array. This survey aims to understand the evolution of the interaction between protostellar outflows and the infalling circumstellar envelopes. Our data enable us to probe the structure and kinematics of the molecular outflow and the circumstellar envelope, as well as the outflow-envelope interaction at scales of less than 0.02 pc, for every source in our sample. Our results indicate that outflows have a considerable impact on the dense circumstellar envelope. Also, we show that the nature of the outflow-envelope interaction depends on the protostar's evolutionary stage.

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