Two-dimensional visualization of the kinematical structure of the spiral galaxy M81.

Details Two-dimensional visualization of the kinematical structure of the spiral galaxy M81. Two-dimensional visualization of the kinematical structure of the spiral galaxy M81.

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990kfnt....6...36y&link_type=abstract

Kinematika Fiz. Nebesn. Tel, Tom 6, No. 5, p. 36 - 45

Computer Science

Spiral Galaxies: Kinematics, Spiral Galaxies: Large-Scale Structure, Spiral Galaxies: H Ii Regions, Spiral Galaxies: Molecular Clouds

Scientific paper

The technique for vizualization of the large-scale structure of the Galaxy based on the distribution of disc regions having systematic wave motions of neutral hydrogen is described. The characteristic behaviour of circular and radial velocity components (deceleration and acceleration of rotation, motions from and to the galactic centre, respectively) is used. The distribution of regions revealed in the galactic plane shows a large-scale structure which resembles a spiral model with alternative pitch-angle. Visualized large-scale kinematical structure agrees with H II-region spiral structure, as well as with H I density distribution.

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