Physics
Scientific paper
Dec 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974apj...194..569f&link_type=abstract
Astrophysical Journal, vol. 194, Dec. 15, 1974, pt. 1, p. 569-571 (11 ff.).
Physics
80
Cosmic Gases, Galactic Structure, Intergalactic Media, Ring Galaxies, Spiral Galaxies, Astronomical Maps, Cloud Physics, Elliptical Galaxies, Galactic Evolution, Gas Density, H Ii Regions, Peculiar Galaxies, Radial Velocity, Tables (Data)
Scientific paper
It is proposed that the pairs of peculiar spheroidal galaxies associated with ring-type objects or chaotic multinucleated objects result from encounters of normal spirals with intergalactic H I clouds. Observational constraints restrict the cloud parameters to a small range. A significant fraction of normal lenticular galaxies and of late-type Magellanic irregulars could have been produced by such galaxy-cloud encounters, as remnants of respectively the old stellar component and of the gas disk component. Some 'isolated extragalactic H II regions could result from cloud-cloud encounters. Specific models of individual peculiar galaxies based on this concept are presented.
de Vaucouleurs Gerard
Freeman Ken C.
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