Comparison of skycorr (red) and Davies’ code results (cyan) for an example SINFONI H-band spectrum of the ESO observing programme 083.B-0456. While the upper panel shows the full input science spectrum (black), the lower panel focuses on the sky-subtraction results. Highly negative fluxes (only Davies’ code) mark pixels with undefined fluxes. The time difference between the object and sky exposures was 39 min. Note that the faint object spectrum was derived from the sky cube. The originally targeted object could not be detected.
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