A photometric determination of twists in early-type galaxies. II

Details A photometric determination of twists in early-type galaxies. II A photometric determination of twists in early-type galaxies. II

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apjs...41..209w&link_type=abstract

Astrophysical Journal Supplement Series, vol. 41, Oct. 1979, p. 209-213.

Astronomy and Astrophysics

Astrophysics

27

Astronomical Photometry, Elliptical Galaxies, Galactic Nuclei, Galactic Structure, Curve Fitting, Data Reduction, Isophotes, Television Cameras

Scientific paper

In continuation of previous work, detailed photometric data have been obtained for two elliptical galaxies by using the Mount Lemmon 1.5-m telescope and a large SEC television camera. As before, the aim of this photometry is to gain additional information on the occurrence of twists in such galaxies; i.e., on the change of the position angle of the major axes of the isophotes from the center outward. No significant twist was found in NGC 1052. However, NGC 584 was found to have a securely observed twist of about 10 deg within 10 kpc from its center. These data strengthen previous indications that many ellipticals contain twists in their inner, bright portions.

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