Luminosity distributions for Virgo cluster galaxies. I Near-infrared surface photometry of 81 disk systems

Astronomy and Astrophysics – Astronomy

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Astronomical Photometry, Brightness Distribution, Disk Galaxies, Infrared Astronomy, Near Infrared Radiation, Virgo Galactic Cluster, Astrometry, Astronomical Catalogs, Luminosity

Scientific paper

I-band (8500 A) surface photometry of 81 galaxies in Virgo provides the basis for comparing the disk properties of S0 galaxies with those of Sa, Sb, and Sc systems. No significant difference is found in the distributions of either central surface brightness or exponential scale length between S0's and later Hubble types. Because the I-band is dominated by contributions from the old-disk population, this result suggests that the factors which control the distribution of luminous disk material in all types of disk systems are identical. Evidently, environmental factors have not played a significant role in affecting the star-forming histories of the Virgo disks.

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