Surface Photometry of Three Spiral Galaxies : ESO 598-G0O9, NGC 1515 and NGC 7456

Mathematics – Logic

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Galaxies, Surface Photometry, Structure, Profile Decomposition

Scientific paper

We have detected BVRI CCD surface photometry of three spiral galaxies ESO 598-G0O9, NGC 1515 and NGC 7456. In order to understand the morphological properties and luminosity distribution characteristics for each galaxy, we derived isophotal map, position angle profile, ellipticity profile, luminosity profile, color profile and color contour map. ESO 598-G0O9, which has a bright bulge component and a ring, shows a trace of gravitational interaction. NGC 1515 is a spiral galaxy with a bar and dust lane. NGC 7456 shows typical characteristics of a late type spiral galaxy.

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