Physics
Scientific paper
Apr 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986cajph..64..387c&link_type=abstract
(Conference on Jets from Stars and Galaxies, Toronto, Canada, June 24-27, 1985) Canadian Journal of Physics (ISSN 0008-4204), vo
Physics
1
Astronomical Photography, Early Stars, Star Formation, Visual Observation, Astrometry, Astronomical Maps, Charge Coupled Devices, Light Scattering
Scientific paper
New and sensitive optical imaging of a small sample of young stellar objects is presented. Each of the sources presented is of moderately high luminosity and is associated with a bipolar outflow of molecular gas. The results on the source GL490 are discussed in some detail. The source core is found to be well resolved and elongated orthogonal to the outflow direction despite an unresolved image size in the near infrared; in addition, there is an extended cone of diffuse emission out from the core source in the direction of the blue-shifted portion of the molecular outflow. The center of the optical position is displaced from the radio-image centroid by approximately 1.5 arcsec to the southwest, also in the direction of the blue-shifted outflow. It is proposed that the optical image is totally due to scattered light from a source that is entirely obscured from direct view.
Campbell Bel
Persson Eric S.
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