Magnification bias analysis of Hubble Frontier Field cluster images indicates that roughly half of the z~4-5 photometric candidates are misidentified low-redshift cluster members.
J., Illingworth, G., Ellis, R
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Magnification bias reveals severe contamination in Hubble Frontier Field photo-z catalogs
Magnification bias analysis of Hubble Frontier Field cluster images indicates that roughly half of the z~4-5 photometric candidates are misidentified low-redshift cluster members.