The Evolution of the Tully-Fisher Relation between z ∼ 2.3 and z ∼ 0.9 with KMOS3D

H. Übler, N. M. Förster Schreiber, R. Genzel, E. Wisnioski, S. Wuyts, P. Lang, T. Naab, A. Burkert, P. G. van Dokkum, L. J. Tacconi, D. J. Wilman, M. Fossati, J. T. Mendel, A. Beifiori, Sirio Belli, R. Bender, G. B. Brammer, J Chan, R Davies, M. FabriciusA. Galametz, D. Lutz, I. G. Momcheva, E. J. Nelson, R. P. Saglia, S. Seitz, K. I Tadaki

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We investigate the stellar mass and baryonic mass Tully-Fisher relations (TFRs) of massive star-forming disk galaxies at redshift z ∼ 2.3 and z ∼ 0.9 as part of the KMOS3D integral field spectroscopy survey. Our spatially resolved data allow reliable modeling of individual galaxies, including the effect of pressure support on the inferred gravitational potential. At fixed circular velocity, we find higher baryonic masses and similar stellar masses at z ∼ 2.3 as compared to z ∼ 0.9. Together with the decreasing gas-To-stellar mass ratios with decreasing redshift, this implies that the contribution of dark matter to the dynamical mass on the galaxy scale increases toward lower redshift. A comparison to local relations reveals a negative evolution of the stellar and baryonic TFR zero points from z = 0 to z ∼ 0.9, no evolution of the stellar TFR zero point from z ∼ 0.9 to z ∼ 2.3, and a positive evolution of the baryonic TFR zero point from z ∼ 0.9 to z ∼ 2.3. We discuss a toy model of disk galaxy evolution to explain the observed nonmonotonic TFR evolution, taking into account the empirically motivated redshift dependencies of galactic gas fractions and the relative amount of baryons to dark matter on galaxy and halo scales.

Original languageEnglish
Article number121
JournalAstrophysical Journal
Issue number2
Publication statusPublished - 20 Jun 2017


  • Galaxies: Evolution
  • Galaxies: High-Redshift
  • Galaxies: Kinematics And Dynamics

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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