Fig. 6

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Spectrum averaged over all 100 hot core candidates (Sect. 4.1). The transitions identified in the averaged spectrum (see Table B.1) are labeled with the corresponding species names. The transitions selected for spectral stacking (Sect. 3.1.2) in this work are marked with red labels displaying the species names. The 3σ (0.2 K) noise level is indicated by horizontal pink lines.
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