期刊
ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS
卷 30, 期 11, 页码 729-736出版社
PLEIADES PUBLISHING INC
DOI: 10.1134/1.1819491
关键词
astronomical catalogs; supernovae; observations; radial distributions of supernovae
We describe the Sternberg Astronomical Institute (SAI) catalog of supernovae. We show that the radial distributions of type-Ia, type-Ibc, and type-II supernovae differ in the central parts of spiral galaxies and are similar in their outer regions, while the radial distribution of type-la supernovae in elliptical galaxies differs from that in spiral and lenticular galaxies. We give a list of the supernovae that are farthest from the galactic centers, estimate their relative explosion rate, and discuss their possible origins. (C) 2004 MAIK Nauka/Interperiodica.
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