TRACING THE BIPOLAR OUTFLOW FROM ORION SOURCE I
Journal Article
·
· Astrophysical Journal (Online)
- Radio Astronomy Laboratory, 601 Campbell Hall, University of California, Berkeley, CA 94720 (United States)
- Department of Astronomy, 1002 W. Green St., University of Illinois, Urbana, IL 61801 (United States)
- Department of Chemistry, Emory University, Atlanta, GA 30322 (United States)
- Department of Astronomy, University of Maryland, College Park, MD 20742 (United States)
- Owens Valley Radio Observatory, California Institute of Technology, P.O. Box 968, Big Pine, CA 93513 (United States)
Using CARMA, we imaged the 87 GHz SiO v = 0 J = 2-1 line toward Orion-KL with 0.''45 angular resolution. The maps indicate that radio source I drives a bipolar outflow into the surrounding molecular cloud along a NE-SW axis, in agreement with the model of Greenhill et al. The extended high-velocity outflow from Orion-KL appears to be a continuation of this compact outflow. High-velocity gas extends farthest along a NW-SE axis, suggesting that the outflow direction changes on timescales of a few hundred years.
- OSTI ID:
- 21367444
- Journal Information:
- Astrophysical Journal (Online), Vol. 704, Issue 1; Other Information: DOI: 10.1088/0004-637X/704/1/L25; ISSN 1538-4357
- Country of Publication:
- United States
- Language:
- English
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