The accurate pattern of galactic spiral arms.

Details The accurate pattern of galactic spiral arms. The accurate pattern of galactic spiral arms.

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jbnun..27..327t&link_type=abstract

Journal of Beijing Normal University (Natural Sciences, Vol. 27, No. 3, p. 327 - 331

Computer Science

Spiral Arms: Spiral Galaxies, Spiral Arms: Models

Scientific paper

According to the formula in an article by the authors which gives a general solution of disturbed gravitational potential with spiral galaxy in three-dimensions, and considering the case of infinite thin disk, the patterns of spiral arms are made. Adjusting the parameters appropriately, the theoretical curves calculated coincide with the observational spiral arms, and the larger differences between them appearing sometimes in C. C. Lin's theory are overcome. Using the spiral arms of galaxy M51 as a sample, these theories are compared and a satisfactory conclusion is given.

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