P. Prugniel et P. Heraudeau, TOTAL MAGNITUDE, RADIUS, COLOR INDEXES, COLOR GRADIENTS AND PHOTOMETRIC TYPE OF GALAXIES, Astronomy & Astrophysics. Supplement series, 128(2), 1998, pp. 299-308
We present a catalogue of aperture photometry of galaxies, in UBVRI, a
ssembled from three different origins: (i) an update of the catalogue
of Buta et al. (1995) (ii) published photometric profiles and (iii) ap
erture photometry performed on CCD images. We explored different sets
of growth curves to fit these data: (i) The Sersic law, (ii) The net o
f growth curves used for the preparation of the RC3 and (iii) A linear
interpolation between the de Vaucouleurs (r(1/4)) and exponential law
s. Finally we adopted the latter solution. Fitting these growth curves
, we derive (1) the total magnitude, (2) the effective radius, (3) the
colour indices and (4) gradients and (5) the photometric type of 5169
galaxies. The photometric type is defined to statistically match the
revised morphologic type and parametrizes the shape of the growth curv
e. It is coded from -9, for very concentrated galaxies, to +10, for di
ffuse galaxies.