2018 01 Cfa Spherex
SPHEREx and redshift estimation
Brice Ménard Johns Hopkins University Kavli IPMU, Tokyo University Redshift estimation
photon field
blended sources log # unique source sources p( z | knowledge) or pixels unique source spec z
magnitude / area
SPHEREx Mapping the photometric space to redshift space
source catalog dim ~ 10-100
brightness ra,dec size p( z | photometry ) redshift space ellipticity Dim = 1 …
N ~ 4-100 colors Mapping the photometric space to redshift space
source catalog dim ~ 10-100
brightness ra,dec size redshift space ellipticity Dim = 1 …
N ~ 4-100 colors
Photometric Redshifts p( z | colors, SED templates )
(O. Ilbert’s talk) Mapping the photometric space to redshift space
Hildebrandt et al. Mapping the photometric space to redshift space
source catalog Clustering Redshifts dim ~ 10-100 p( z | photometry, density field )
brightness ra,dec size redshift space ellipticity Dim = 1 …
N ~ 4-100 colors
Photometric Redshifts p( z | colors, SED templates ) Mapping the photometric space to redshift space
source catalog Clustering Redshifts dim ~ 10-100 p( z | photometry, density field )
brightness ra,dec size redshift space ellipticity Dim = 1 … N ~ 4-100 colors ?