Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...137..166b&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 137, no. 2, Aug. 1984, p. 166-176.
Astronomy and Astrophysics
Astrophysics
12
Astronomical Photometry, Elliptical Galaxies, Galactic Structure, Isophotes, Astronomical Photography, Brightness Distribution, Conformal Mapping, Data Reduction
Scientific paper
A study of the photometric and geometric properties of the two early-type galaxies NGC 1600 and NGC 4261, using an interactive numerical mapping technique, is presented. The data for NGC 1600 confirm quantitatively its morphological classification as a giant E galaxy. The structural parameters (ellipticity and P.A. of isophotes) indicate a triaxial configuration. The luminosity profile of NGC 4261 does not fit to the r1/4 law at faint levels where a light excess is present. This suggests that this galaxy is a misclassified lenticular. The contrasting results on the light distribution and structure of NGC 4261 reported in earlier studies are critically analyzed. The influence of the environment on both objects is also discussed.
Barbon Roberto
Benacchio Leopoldo
Capaccioli Massimo
Rampazzo Roberto
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