Ellipticity and twisting of isophotes in elliptical galaxies

Details Ellipticity and twisting of isophotes in elliptical galaxies Ellipticity and twisting of isophotes in elliptical galaxies

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....77..363b&link_type=abstract

Astronomy and Astrophysics, vol. 77, no. 3, Aug. 1979, p. 363-365. Research supported by the Consiglio Nazionale delle Ricerche

Astronomy and Astrophysics

Astrophysics

30

Astronomical Photography, Elliptical Galaxies, Isophotes, Brightness, Ellipticity, Photographic Plates

Scientific paper

The study of the ellipticity profiles in a sample of elliptical galaxies and the analysis of previous results makes it possible to establish a classification scheme in five classes as follows: increasing ellipticity, decreasing, with maximum, with minimum and constant. The phenomenon of the change of the direction of the major axis of the isophotes is discussed and some examples are presented.

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