BVRI Surface Photometry of (S+S) Binary Galaxies

Details BVRI Surface Photometry of (S+S) Binary Galaxies BVRI Surface Photometry of (S+S) Binary Galaxies

2000-10-26

arxiv.org/abs/astro-ph/0010531v1

Astronomy and Astrophysics

Astrophysics

2 pages, 1 figure, to appear in ASP Conf. Ser. "Galaxy Disk and Disk Galaxies", Eds. J.G. Funes S.J. and E.M. Corsini (meeting

Scientific paper

We report the first results of our multicolour broad-band BVRI photometry for a statistically well defined sample of interacting pairs, drawn from the Catalogue of Isolated Pairs of Galaxies in the Northern Hemisphere Karachentsev (1972). At present, the details of photometric structure of disk-disk (S+S) galaxies are just beginning to be studied because of their intrinsic difficulties. We take advantage of the statistical properties of this well defined sample of interacting galaxies to try to isolate the main structural components of galaxies. Due to their environmental simplicity (compared to groups and clusters), the sample provides an unique opportunity to peform a photometric study of galaxies and their structural components in a non-equilibrium configuration. In this contribution, the first results of a deep multicolour (BVRI) photometric study of a sample of 45 (S+S) isolated pairs of galaxies is presented. Our attention is focused on the morphology and the global photometric properties (integrated magnitudes, colours and mean surface brightness profiles).

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