Spiral structure in NGC 1566.

Details Spiral structure in NGC 1566. Spiral structure in NGC 1566.

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990rmxaa..21..126p&link_type=abstract

Revista Mexicana de Astronomia y Astrofisica, Vol. 21, p. 126 - 130

Astronomy and Astrophysics

Astronomy

2

Spiral Galaxies: H Ii Regions, Spiral Galaxies: Structure

Scientific paper

A Fourier analysis of H II regions distribution of NGC 1566 in terms of logarithmic spirals is done. Firstly, the method is used to determine the position angle P.A. and the inclination ω of the galaxy. The decomposition into individual spiral components shows that a two-armed component is dominant in this galaxy. The authors calculate the surface density to reconstitute the galaxy using the most important components.

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