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        3D-HST+CANDELS : the evolution of the galaxy size-mass distribution since z=3

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        Author
        van der Wel, A.
        Franx, M.
        van Dokkum, P.G.
        Skelton, R.E.
        Momcheva, I.G.
        Whitaker, K.E.
        Brammer, G.B.
        Bell, Eric F.
        Rix, H-W.
        Wuyts, Stijn
        Ferguson, H. C.
        Holden, B.P.
        Barro, G.
        Koekemoer, A. M.
        Chang, Yu-Yen
        McGrath, E.J.
        Haussler, B.
        Dekel, A.
        Behroozi, P.
        Fumagalli, M.
        Leja, J.
        Lundgren, B.F.
        Maseda, M.V.
        Nelson, E.J.
        Wake, D.A.
        Patel, S.G.
        Labbe, I.
        Faber, Sandra M.
        Grogin, N. A.
        Kocevski, D.D.
        Attention
        2299/16425
        Abstract
        Spectroscopic+photometric redshifts, stellar mass estimates, and rest-frame colors from the 3D-HST survey are combined with structural parameter measurements from CANDELS imaging to determine the galaxy size-mass distribution over the redshift range 0 < z < 3. Separating early- and late-type galaxies on the basis of star-formation activity, we confirm that early-type galaxies are on average smaller than late-type galaxies at all redshifts, and we find a significantly different rate of average size evolution at fixed galaxy mass, with fast evolution for the early-type population, R eff∝(1 + z)–1.48, and moderate evolution for the late-type population, R eff∝(1 + z)-0.75
        Publication date
        2014-06-10
        Published in
        The Astrophysical Journal
        Published version
        https://doi.org/10.1088/0004-637X/788/1/28
        Other links
        http://hdl.handle.net/2299/16425
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