An unusual outflow around IRAS 16293-2422

Details An unusual outflow around IRAS 16293-2422 An unusual outflow around IRAS 16293-2422

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...332..335w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 332, Sept. 1, 1988, p. 335-345.

Astronomy and Astrophysics

Astronomy

80

Carbon Monoxide, Infrared Astronomy Satellite, Infrared Sources (Astronomy), Molecular Clouds, Pre-Main Sequence Stars, Stellar Coronas, Carbon Isotopes, Morphology, Star Formation, Stellar Mass Ejection

Scientific paper

The dense dusty molecular cloud core associated with the unusual protostellar source IRAS 16293-1422 (IRAS 1629A) was observed in the J = 2-1 transition of (C-12)O and (C-13)O. These observations indicate that IRAS 1629A is a source of an unusual high-velocity molecular outflow with four separate emission lobes. The morphology and velocity structure of the lobes may suggest the presence of a dual jet or double bipolar outflow system originating from the vicinity of IRAS 1269A. These observations resolve the outflowing gas into numerous high-velocity clumps which are either being continuously accelerated from low to high velocity along the entire length of the flow or are undergoing free-flow expansion.

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