CANDELS: The Evolution of Galaxy Rest-Frame Ultraviolet Colors from z = 8 to 4

Details CANDELS: The Evolution of Galaxy Rest-Frame Ultraviolet Colors from z = 8 to 4 CANDELS: The Evolution of Galaxy Rest-Frame Ultraviolet Colors from z = 8 to 4

2011-10-17

arxiv.org/abs/1110.3785v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

Submitted to the Astrophysical Journal. 18 pages, 8 figures and 4 tables

Scientific paper

We present an analysis of the rest-frame UV colors of galaxies at 47. Finally, we examine whether there is any correlation between beta and the UV luminosity or stellar mass. We find that the existence of a correlation is highly dependent upon the definition of M_UV, and we find no evidence for a significant correlation when measuring M_UV at rest-frame 1500 A. We do find a strong correlation between beta and the stellar mass, in that more massive galaxies exhibit redder colors. The most massive galaxies have similarly red colors at all redshifts, implying that dust builds up quickly in massive galaxies, and that feedback is likely removing SNe-created dust from low-mass galaxies at z>7 [abridged].

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