The possible cause of the appearance of a barred spiral structure in galaxies

Details The possible cause of the appearance of a barred spiral structure in galaxies The possible cause of the appearance of a barred spiral structure in galaxies

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pazh...13..648g&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 13, Aug. 1987, p. 648-653. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

Astronomical Models, Barred Galaxies, Galactic Evolution, Galactic Structure, Spiral Galaxies, Angular Velocity, Interstellar Gas

Scientific paper

It is shown that a barred spiral structure can appear if rotation curves
have an angular velocity break. Rigid-body rotation of the internal part
of the disk is assumed. It is found that, in the linear approximation,
wind instability produces the barred spiral structure.

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