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Ideal Bandpasses for Type Ia Supernova Cosmology

Davis, Tamara; Schmidt, Brian; Kim, Alex G

Description

To use Type la supernovae as standard candles for cosmology, we need accurate broadband magnitudes. In practice the observed magnitude may differ from the ideal magnitude-redshift relationship either through intrinsic inhomogeneities in the Type la supernova population, or through observational error. Here we investigate how we can choose filter bandpasses to reduce the error caused by both these effects. We find that bandpasses with large integral fluxes and sloping wings are best able to...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/28436
Source: Publications of the Astronomical Society of the Pacific
DOI: 10.1086/499116

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