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Stripped-envelope supernova rates and host-galaxy properties

Published online by Cambridge University Press:  27 October 2016

Or Graur ,
F. B. Bianco ,
M. Modjaz ,
D. Maoz ,
I. Shivvers ,
A. V. Filippenko  and
W. Li
Or Graur
Affiliation:
CCPP, New York University, 4 Washington Place, New York, NY 10003, USA email: orgraur@nyu.edu Dept. of Astrophysics, American Museum of Natural History, New York, NY 10024, USA
F. B. Bianco
Affiliation:
CCPP, New York University, 4 Washington Place, New York, NY 10003, USA email: orgraur@nyu.edu
M. Modjaz
Affiliation:
CCPP, New York University, 4 Washington Place, New York, NY 10003, USA email: orgraur@nyu.edu
D. Maoz
Affiliation:
School of Physics and Astronomy, Tel-Aviv University, Tel-Aviv 69978, Israel
I. Shivvers
Affiliation:
Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA
A. V. Filippenko
Affiliation:
Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA
W. Li
Affiliation:
Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA
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Abstract

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The progenitors of stripped-envelope supernovae (SNe Ibc) remain to be conclsuively identified, but correlations between SN rates and host-galaxy properties can constrain progenitor models. Here, we present one result from a re-analysis of the rates from the Lick Observatory Supernova Search. Galaxies with stellar masses ≲1010 M⊙ are less efficient at producing SNe Ibc than more massive galaxies. Any progenitor scenario must seek to explain this new observation.

Keywords

supernovae: generalsurveysgalaxies: fundamental parameters
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , General Assembly A29B: Astronomy in Focus , August 2015 , pp. 257 - 258
Copyright
Copyright © International Astronomical Union 2016 

References

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