NASA NTRS · 19830065322
Very large spiral galaxies
Abstract
As a first step in the systematic study of large spirals, which may be useful in cosmological tests and studies of galaxy evolution, a catalog of the 107 largest known spiral galaxies is presented. Catalog galaxies have isophotal diameters greater than 90 kpc, assuming an H(zero) value of 50 km/sec per Mpc. UBVR photoelectric photometry is presented for 20 of these galaxies, and absolute magnitudes are derived for all galaxies in the catalog by transforming Zwicky magnitudes to the B(T) system.
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Romanishin, W.. 1983-09-01. Very large spiral galaxies. https://ntrs.nasa.gov/citations/19830065322
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