Morphological functions of the M 31 galaxy image

Details Morphological functions of the M 31 galaxy image Morphological functions of the M 31 galaxy image

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988pazh...14..882g&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 14, Oct. 1988, p. 882-887. In Russian. In Russian. In Russian.

Mathematics

Logic

1

Andromeda Galaxy, Galactic Radiation, Galactic Structure, Morphology, Spiral Galaxies, Astronomical Photometry, Brightness, Colorimetry, Ubv Spectra

Scientific paper

Using UBVR photographical photometry the mean values of the color indices and their large scale gradients are estimated. The dependence of the axial ratio and the position angle on the semi-major axis are investigated. The results give indirect evidence of existence of a two-armed trailing spiral structure and bar in M31. It is concluded that the morphological functions of an image can be useful for the analysis of the structure of a spiral galaxy in case of a large inclination angle.

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