A correlation between isophotal twisting and flattening in elliptical galaxies

Details A correlation between isophotal twisting and flattening in elliptical galaxies A correlation between isophotal twisting and flattening in elliptical galaxies

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....81..179g&link_type=abstract

Astronomy and Astrophysics, vol. 81, no. 1-2, Jan. 1980, p. 179-181.

Astronomy and Astrophysics

Astrophysics

41

Astronomical Photometry, Elliptical Galaxies, Galactic Structure, Isophotes, Correlation, Error Analysis, Flattening, Position (Location)

Scientific paper

Twisting of the isophotes in elliptical galaxies is found to be present in about 7.5% of the systems for which photometric data are available in the literature. It is found that a reverse correlation exists between the maximum apparent flattening and the greatest observed twisting in the isophotes of 54 elliptical galaxies. From a discussion of the data, it is suggested that this correlation can provide useful information on the spatial structure of these galaxies. Some geometrical interpretations are explored.

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