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The Evolution of the Galaxy Stellar Mass Function at z = 4–8: A Steepening Low-mass-end Slope with Increasing Redshift




  • We present galaxy stellar mass functions (GSMFs) at z = 4–8 from a rest-frame ultraviolet (UV) selected sample of ~4500 galaxies, found via photometric redshifts over an area of ~280 arcmin2 in the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS)/Great Observatories Origins Deep Survey (GOODS) fields and the Hubble Ultra Deep Field. The deepest Spitzer/IRAC data to date and the relatively large volume allow us to place a better constraint at both the low- and high-mass ends of the GSMFs compared to previous space-based studies from pre-CANDELS observations. Supplemented by a stacking analysis, we find a linear correlation between the rest-frame

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Publication Date

  • 2016



Digital Object Identifier (doi)

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