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The Shaping of the Optical Jet of the Galaxy NGC 4258

Published online by Cambridge University Press:  12 April 2016

P. Martin ,
J.-R. Roy ,
L. Noreau  and
K.-Y. Lo
P. Martin
Affiliation:
Département de physique, Université LavalQuébec, Qc, Canada
J.-R. Roy
Affiliation:
Département de physique, Université LavalQuébec, Qc, Canada
L. Noreau
Affiliation:
Département de physique, Université LavalQuébec, Qc, Canada
K.-Y. Lo
Affiliation:
Department of Astronomy, University of Illinois349 Astronomy Building Urbana, IL 61801, USA

Summary.

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Hα + [NII] and red continuum CCD images as well as high resolution aperture synthesis CO maps were obtained in order to study the optical jet of the barred spiral galaxy NGC 4258. The CO observations show two clouds near the center of the galaxy; these clouds outline a channel and the Hα jet follows this channel. The observations are consistent with the jet being in or making a small angle with the galaxy plane. It is concluded that the interstellar medium may play an important role in making jets detectable optically and in shaping their forms.

Type
V. The Extragalactic ISM
Information
International Astronomical Union Colloquium , Volume 120: Structure and Dynamics of the Interstellar Medium , 1989 , pp. 359 - 363
Copyright
Copyright © Springer-Verlag 1989

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