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The Key Role of Supernova Spectrophotometry in the Next-Decade Dark Energy Science Program

Published onMay 31, 2019
The Key Role of Supernova Spectrophotometry in the Next-Decade Dark Energy Science Program
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Abstract

For LSST and WFIRST to together take a major step forward in the SN measurements of dark energy the leading systematics — SN population drift and changes in dust properties — both must be constrained. This requires space-based instrumentation to provide the wide-wavelength-range spectrophotometry, not just imaging, to measure these two effects.

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