Cosmology with the SPHEREX All-Sky Spectral Survey
Dec 15, 2014Citations per year
Abstract: (arXiv)
SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) ( http://spherex.caltech.edu ) is a proposed all-sky spectroscopic survey satellite designed to address all three science goals in NASA's Astrophysics Division: probe the origin and destiny of our Universe; explore whether planets around other stars could harbor life; and explore the origin and evolution of galaxies. SPHEREx will scan a series of Linear Variable Filters systematically across the entire sky. The SPHEREx data set will contain R=40 spectra fir 0.754.1m and R=150 spectra for 4.14.8m for every 6.2 arc second pixel over the entire-sky. In this paper, we detail the extra-galactic and cosmological studies SPHEREx will enable and present detailed systematic effect evaluations. We also outline the Ice and Galaxy Evolution Investigations.Note:
- 38 pages, 25 plots, 5 tables, for additional details, see http://spherex.caltech.edu , some figures updated, minor edits, extended discussion of the Ice and Galaxy Evolution Investigations
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