University of Hertfordshire

From the same journal

From the same journal

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

Research output: Contribution to journalArticlepeer-review


  • 907154

    Accepted author manuscript, 7.58 MB, PDF document

  • A. van der Wel
  • M. Franx
  • P.G. van Dokkum
  • R.E. Skelton
  • I.G. Momcheva
  • K.E. Whitaker
  • G.B. Brammer
  • Eric F. Bell
  • H-W. Rix
  • Stijn Wuyts
  • H. C. Ferguson
  • B.P. Holden
  • G. Barro
  • A. M. Koekemoer
  • Yu-Yen Chang
  • E.J. McGrath
  • B. Haussler
  • A. Dekel
  • P. Behroozi
  • M. Fumagalli
  • And 10 others
  • J. Leja
  • B.F. Lundgren
  • M.V. Maseda
  • E.J. Nelson
  • D.A. Wake
  • S.G. Patel
  • I. Labbe
  • Sandra M. Faber
  • N. A. Grogin
  • D.D. Kocevski
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Original languageEnglish
Article number28
Number of pages19
JournalThe Astrophysical Journal
Early online date19 May 2014
Publication statusPublished - 10 Jun 2014


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


ID: 9202049