The dependence of Type Ia Supernovae luminosities on their host galaxies

Sullivan, M.; Conley, A.; A. Howell, D.; D. Neill, James; Astier, P.; Balland, C.; Basa, S.; G. Carlberg, R.; Fouchez, D.; Guy, J.; Hardin, D.; Hook, I.; Pain, R.; Palanque‐Delabrouille, N.; Perrett, K.; J. Pritchet, C.; Regnault, N.; Rich, J.; Ruhlmann-Kleider, V.; Baumont, S.; Y. Hsiao, E.; Kronborg, T.; Lidman, C.; Perlmutter, S.; S. Walker, E.

doi:10.1111/j.1365-2966.2010.16731.x

Public

The dependence of Type Ia Supernovae luminosities on their host galaxies

Shared by NobleBlocks on May 1, 2010 • 12:00 AM UTC

Authors:

M. Sullivan

A. Conley

D. A. Howell

Abstract

Precision cosmology with Type Ia supernovae (SNe Ia) makes use of the fact that SN Ia luminosities depend on their light-curve shapes and colours. Using Supernova Legacy Survey (SNLS) and other data, we show that there is an additional dependence on the global characteristics of their host galaxies:...

Subject

Physics

Astrophysics

Supernova

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