Bipolar outflow of gas in the spiral galaxy NGC 3079

Details Bipolar outflow of gas in the spiral galaxy NGC 3079 Bipolar outflow of gas in the spiral galaxy NGC 3079

Apr 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986cajph..64..531d&link_type=abstract

(Conference on Jets from Stars and Galaxies, Toronto, Canada, June 24-27, 1985) Canadian Journal of Physics (ISSN 0008-4204), vo

Astronomy and Astrophysics

Astronomy

17

Radio Jets (Astronomy), Spiral Galaxies, Astronomical Maps, Continuous Radiation, Galactic Nuclei, Shock Wave Propagation, Very Large Array (Vla)

Scientific paper

Very Large Array, radio continuum observations of the edge-on spiral galaxy NGC 3079 are presented. The observations reveal that the nucleus has windlike properties and that the central region of the galaxy exhibits an unusual figure-eight morphology that shows evidence of severe depolarization and a flattening spectral index away from the nucleus. A qualitative description of a model is presented to account for the observed radio properties. It is shown that a wind-driven shock propagating away from the nucleus and focused by the ambient disk gas can give rise to the observed morphology.

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