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Table 2

The list of molecular transitions that were targeted.

Band Frequency Transitions Rest frequency
(GHz) (GHz)

1 6.110 H2O 616−523 22.235
2 6.515 NH3 (1, 1) 23.694
NH3 (2, 2) 23.722
3 6.567 OH 23.817
OH 23.826
NH3 (3, 3) 23.870
4 6.878 CH3OH 42−41 24.933
CH3OH 62−61 25.018
NH3 (6, 6) 25.056
CH3OH 72−71 25.124

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