SIMBAD references

2019MNRAS.490.5285P - Mon. Not. R. Astron. Soc., 490, 5285-5299 (2019/December-3)

The main sequence of star-forming galaxies - II. A non-evolving slope at the high-mass end.

POPESSO P., MORSELLI L., CONCAS A., SCHREIBER C., RODIGHIERO G., CRESCI G., BELLI S., ILBERT O., ERFANIANFAR G., MANCINI C., INAMI H., DICKINSON M., PANNELLA M. and ELBAZ D.

Abstract (from CDS):

By using the deepest available mid- and far-infrared surveys in the CANDELS, GOODS, and COSMOS fields we study the evolution of the main sequence (MS) of star-forming galaxies (SFGs) from z ∼ 0 to ∼ 2.5 at stellar masses larger than 1010 M. The MS slope and scatter are consistent with a rescaled version of the local relation and distribution, shifted at higher values of star formation rate (SFR) according to ∝ (1 + z)3.2. The relation exhibits a bending at the high-mass end and a slightly increasing scatter as a function of the stellar mass. We show that the previously reported evolution of the MS slope, in the considered mass and redshift range, is due to a selection effect. The distribution of galaxies in the MS region at fixed stellar mass is well represented by a single lognormal distribution at all redshifts and masses, with starburst galaxies occupying the tail at high SFR.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: evolution - galaxies: formation - galaxies: high-redshift - galaxies: starburst - galaxies: star formation

Simbad objects: 4

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