Surface photometry and mass distributions in spiral galaxies. III - NGC 972, 3521, 3675,4826, 5005 and 6503

Details Surface photometry and mass distributions in spiral galaxies. III - NGC 972, 3521, 3675,4826, 5005 and 6503 Surface photometry and mass distributions in spiral galaxies. III - NGC 972, 3521, 3675,4826, 5005 and 6503

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.188...93b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 188, July 1979, p. 93-102.

Astronomy and Astrophysics

Astronomy

16

Astronomical Photography, Astronomical Photometry, Galactic Structure, Mass Distribution, Spiral Galaxies, Ubv Spectra, Halos, Luminous Intensity, Radial Distribution

Scientific paper

U, V, B and R photographic surface photometry is presented for five luminosity class II and one luminosity class III galaxies. A well-defined outer exponential component is present in the luminosity distributions of all six galaxies. It is probable that the gross structure of these galaxies is determined by their spiral arms and that the outer component is not a massive halo. From the available data there is evidence that anaemic spirals are systematically less massive than their 'ordinary' counterparts.

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