Mathematics – Logic
Scientific paper
May 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.203p..39n&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 203, May 1983, p. 39P-43P.
Mathematics
Logic
11
Cosmic Dust, Galactic Nuclei, Galactic Structure, Plasma Jets, Radio Galaxies, Galactic Rotation, Prolateness
Scientific paper
A dust lane cutting the central region of the radio galaxy NGC 6251 along its minor axis has been observed. This dust lane is roughly parallel to the radio jet. The implications of this observation are discussed: (1) NGC 6251 resembles a prolate object, morphologically at least. (2) Since the jet is remarkably linear, the configuration of the dust lane-stellar potential-nucleus system is probably quite stable. The dust lane may be responsible for the bending of the jet outwards. (3) Time-scale arguments relative to a possible merging suggest a rather slow non-relativistic motion. (4) The orientation of the dust lane does not support the suggestion by Kotanyi & Ekers of a correlation between the axis of rotation of the gaseous disc and the jet axis in a radio galaxy, or of a correlation between the alignment of both rotation and jet axes with the power of the source.
Coupinot Gerard
Lelievre Gerard
Madsen Claus
Nieto Jean-Luc
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