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Spatial distribution of different subtypes of core-collapse and thermonuclear supernovae in the galaxies

Published online by Cambridge University Press:  17 October 2017

Dmitry Yu. Tsvetkov  and
Nickolay N. Pavlyuk
Dmitry Yu. Tsvetkov
Affiliation:
Sternberg Astronomical Institute, Lomonosov Moscow State University, Universitetsky pr. 13, Moscow 119234, Russia email: tsvetkov@sai.msu.su
Nickolay N. Pavlyuk
Affiliation:
Sternberg Astronomical Institute, Lomonosov Moscow State University, Universitetsky pr. 13, Moscow 119234, Russia email: tsvetkov@sai.msu.su
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Abstract

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The distributions of supernovae of different types and subtypes along the radius and in z coordinate of galaxies have been studied. We show that among SNe Ia in spiral galaxies, SNe Iax and Ia-norm have, respectively, the largest and smallest concentration to the center; the distributions of SNe Ia-91bg and Ia-91T are similar. A strong concentration of SNe Ibc to the central regions has been confirmed. In spiral galaxies, the supernovae of all types strongly concentrate to the galactic plane; the slight differences in scale height correlate with the extent to which the classes of supernovae are associated with star formation.

Keywords

supernovae: generalgalaxies: general

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