Mass assembly in quiescent and star-forming galaxies since z ≃ 4 from UltraVISTA
- Ilbert, O.
- Mccracken, H. J.
- Le Fèvre, O.
- Capak, P.
- Dunlop, J.
- Karim, A.
- Renzini, M. A.
- Caputi, K.
- Boissier, Samuel
- Arnouts, S.
- Aussel, H.
- Comparat, J.
- Guo, Q.
- Hudelot, P.
- Kartaltepe, J.
- Kneib, J. P.
- Krogager, J. K.
- Le Floc'H, E.
- Lilly, S.
- Mellier, Y.
- Milvang-Jensen, B.
- Moutard, T.
- Onodera, M.
- Richard, J.
- Salvato, M.
- Sanders, D. B.
- Scoville, N.
- Silverman, J. D.
- Taniguchi, Y.
- Tasca, L.
- Thomas, R.
- Toft, S.
- Tresse, L.
- Vergani, D.
- Wolk, M.
- Zirm, A.
DOIAbstract
International audienceWe 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
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