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Astron. Astrophys. Suppl. Ser. 141, 211-220

Structure and stellar content of dwarf galaxies[*]

IV. B and R photometry of dwarf galaxies in the CVnI cloud

T. Bremnes 1 - B. Binggeli 1 - P. Prugniel 2

Send offprint request: T. Bremnes,

1 - Astronomical Institute, University of Basel, Venusstrasse 7, CH-4102 Binningen, Switzerland
2 - Observatoire de Lyon, F-64561 St. Genis-Laval Cedex, France

Received October 8; accepted October 25, 1999


We have carried out CCD photometry in the Cousins B and R bands of 15 galaxies in the Canes Venatici I cloud. Total magnitudes, effective radii, effective surface brightnesses, as well as galaxy radii at various isophotal levels in both colors were determined. Best-fitting exponential parameters and color gradients are also given for these galaxies. The photometric parameters presented here will be analyzed in a forthcoming paper, together with previously published data for nearby dwarf galaxies.

Key words: galaxies: general -- galaxies: fundamental parameters -- galaxies: photometry -- galaxies: irregular -- galaxies: structure -- galaxies: luminosity function

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