Left: completeness of a CANDELS-like sample computed from the mock catalog, limited to galaxies with a measurement of L_IR with S/N > 3, from either Spitzer MIPS or Herschel. The completeness is shown as a function of redshift and stellar mass: each cell of the plot displays the completeness is the corresponding bin of redshift and mass. The 80, 50 and 20% completeness levels are indicated with red, yellow and white lines, respectively. Center: same as left, but limited to the sample with a robust T_dust measurement. Right: same as left, but limited to the sample with a robust IR8 measurement.