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Fig. A.1.

image

Results from the recovery experiment on mock galaxies. The points in the left and centre panels show one of the 30 realisations of 100 galaxies in (log M*, log(1 + z), log SFR)-space from a mock star formation sequence: logSFR ∝ alogM* + clog(1 + z), where in this particular case a = 0.8 and c = 2.0 with σintr = 0.5 dex. The colour indicates redshift, unless a mock galaxy falls below the solid line in the centre panel, indicating the flux limit of ∼3 × 10−19 erg s−1 cm−2, in which case it is a black point. The rightmost panels show the marginalised distributions (slope, redshift evolution, and intrinsic scatter) from combining all 30 realisations for this particular set of parameters. The thin and thick black lines indicate the results when taking into account all mock data and only the data above the flux limit, respectively, and are compared to the input values (dashed lines). With all data points (including noise), we can recover the input parameters sequence well. When applying the flux limit a slight bias towards a shallower slope and steeper redshift evolution appears. We plot all curves in the leftmost panel at the average redshift of the sample (z0). The red line is obtained after applying the correction to the fit of the data above the limit. These recovered curves are plotted in the leftmost panel as well and compared to the input mock relation. With our correction, we can recover the true input parameters well, even in the case of limited data.

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