VLA Observations of Z CMa: The Orientation and Origin of the Thermal Jet

Details VLA Observations of Z CMa: The Orientation and Origin of the Thermal Jet VLA Observations of Z CMa: The Orientation and Origin of the Thermal Jet

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001rmxaa..37..261v&link_type=abstract

Revista Mexicana de Astronomia y Astrofisica, Vol. 37, pp. 261-267 (2001)

Astronomy and Astrophysics

Astronomy

8

Scientific paper

We present sensitive, high angular resolution (~0.45'') Very Large Array observations made at 6 and 3.5 cm toward the thermal jet associated with the young star Z CMa. We found that the position angle of the axis of the thermal jet is coincident within error with the orientation of the optical jet and the orientation of the CO bipolar outflow. The faint radio features detected around this young star (mostly to its east) are probably the result of periodic material ejection from the central source. It is known that Z CMa has an infrared companion about 0.1'' to its northwest. We have used our high angular resolution (~0.2'') A configuration data and the astrometric position from Hipparcos to establish that the jet originates from the optical component of this binary.

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