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1992•Astronomy & Astrophysics Supplement SeriesRequires access

CCD surface photometry for E and S0 galaxies in the Coma cluster

Inger Jørgensen, M. Franx, P. Kjærgaard

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Abstract

We present CCD surface photometry for 46 elliptical and S0 galaxies observed in Johnson B and Gunn r filters. Thirty-three of the galaxies belong to the Coma cluster. The data are the first in our study of large-scale motions in the universe and the physical background of the «Fundamental Plane». The CCD images have been analyzed using a full model fitting technique giving radial profiles of local surface brightness, color, ellipticity and position angle. The residuals relative to the elliptical isophotes of the best fitting model have been described quantitatively by Fourier expansions

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We present CCD surface photometry for 46 elliptical and S0 galaxies observed in Johnson B and Gunn r filters. Thirty-three of the galaxies belong to the Coma cluster. The data are the first in our study of large-scale motions in the universe and the physical background of the «Fundamental Plane». The CCD images have been analyzed using a full model fitting technique giving radial profiles of local surface brightness, color, ellipticity and position angle. The residuals relative to the elliptical isophotes of the best fitting model have been described quantitatively by Fourier expansions

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Available abstract

We present CCD surface photometry for 46 elliptical and S0 galaxies observed in Johnson B and Gunn r filters. Thirty-three of the galaxies belong to the Coma cluster. The data are the first in our study of large-scale motions in the universe and the physical background of the «Fundamental Plane». The CCD images have been analyzed using a full model fitting technique giving radial profiles of local surface brightness, color, ellipticity and position angle. The residuals relative to the elliptical isophotes of the best fitting model have been described quantitatively by Fourier expansions

Key concepts: Physics, Fundamental plane (elliptical galaxies), Photometry (optics), Surface brightness, Coma Cluster, Astrophysics, Elliptical galaxy, Position angle

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