On the spiral structure of M33

Details On the spiral structure of M33 On the spiral structure of M33

Nov 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ap%26ss.116..341i&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 116, no. 2, Nov. 1985, p. 341-348.

Astronomy and Astrophysics

Astrophysics

6

Galactic Structure, Spiral Galaxies, Star Distribution, Brightness Distribution, Density Wave Model, Stellar Evolution, Stochastic Processes

Scientific paper

An attempt is made to obtain the position angle and galactic plane inclination (to the plane of the sky) of M33, in view of a suspected connection between the 197 associations examined and the other spiral tracers. Of the ostensible system of seven logarithmic spirals, two principal arms have been reinterpreted through the invocation of density wave theory; the remaining arm features of M33 may be explained with the stochastic self-propagating model. The distribution of surface brightness segments implies the existence of different mechanisms of star formation in M33.

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