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2009MNRAS.399..559A - Mon. Not. R. Astron. Soc., 399, 559-573 (2009/October-3)
Comparisons of the radial distributions of core-collapse supernovae with those of young and old stellar populations.
ANDERSON J.P. and JAMES P.A.
Abstract (from CDS):
We find that the radial positions of the overall CC population closely follow the radial distribution of Hα emission, implying that both are excellent tracers of star formation within galaxies. Within this overall distribution, we find that there is a central deficit of SNII which is offset by a central excess of SNIb/c. This implies a strong metallicity dependence on the relative production of the two types, with SNIb/c arising from higher metallicity progenitors than SNII. Separating the SNIb/c into individual classes, we find that a trend emerges in terms of progenitor metallicity going from SNII through SNIb to SNIc, with the latter arising from the highest metallicity progenitors.
Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS
Journal keyword(s): supernovae: general - galaxies: general - galaxies: statistics
CDS comments: In table A1 : MCG +11-20-33 is a misprint for MCG +11-20-23
Simbad objects: 322
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