Mass assembly in quiescent and star-forming galaxies since z ≃ 4 from UltraVISTA

By O. Ilbert, H. McCracken, O. Fèvre, P. Capak, J. Dunlop, A. Karim, M. A. Renzini, K. Caputi, S. Boissier, Stéphane Arnouts and 26 more. 2013

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We estimate the galaxy stellar mass function and stellar mass density for star-forming and quiescent galaxies with 0.2   1.5 consistent with the expected uncertainties. We also develop a new method to infer the specific star formation rate from the mass function of star-forming galaxies. We find that the specific star formation rate of 1010 − 10.5ℳ⊙ galaxies increases continuously in the redshift range 1 < z < 4. Finally, we compare our results with a semi-analytical model and find that these models overestimate the density of low mass quiescent galaxies by an order of magnitude, while the density of low-mass star-forming galaxies is successfully reproduced.

Subfields: Astronomy and Astrophysics, Instrumentation

View Paper: https://www.semanticscholar.org/paper/b0e5dea9df7ef92923663e9a149395d305fc7d3f

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In Astronomy and Astrophysics

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  6. C. Conroy
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In Instrumentation

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  4. C. Conroy
  5. Volker Springel
  6. R. Somerville
  7. Simon D. M. White
  8. P. V. van Dokkum

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