Tracing M81's spiral arms

Details Tracing M81's spiral arms Tracing M81's spiral arms

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987s%26t....73..135k&link_type=abstract

Sky and Telescope (ISSN 0037-6604), vol. 73, Feb. 1987, p. 135-137.

Astronomy and Astrophysics

Astronomy

3

Density Wave Model, Galactic Structure, Radio Astronomy, Spiral Galaxies, Continuous Spectra, H Ii Regions, Hot Stars, Infrared Astronomy, Interstellar Matter, Star Formation

Scientific paper

The spiral arms of M81 are studied in terms of the density-wave theory.
The width of the arms, and the effect of density waves on the spiral
arms are examined. Consideration is given to the hydrogen gas
distribution of M81, and the relation between the H II region and spiral
arms.

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