The statistical investigation of type Ib/c and II supernovae and their host galaxies |
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Authors: | A A Hakobyan |
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Institution: | (1) V. A. Ambartsumian Byurakan Astrophysical Observatory, Armenia |
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Abstract: | This is a statistical study of the properties of type Ib/c and II supernovae and of the integral parameters of their spiral
host galaxies. The methods of one-dimensional and multivariate statistics were applied to the data sample. It was found that
the Ib/c supernovae are more concentrated radially toward the centers of the galaxies than those of type II. The distributions
of the radial distances RSN/R25 for the type Ib/c and II supernovae in active galaxies are more concentrated toward the center than in normal galaxies. This
effect is stronger for type Ib/c than for type II supernovae.
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Translated from Astrofizika, Vol. 51, No. 1, pp. 89–98 (February 2008). |
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Keywords: | supernovae spiral galaxies activity star-formation progenitors |
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