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Table 1

Details of the data set used in this paper.

Telescope Frequency (GHz) Spectral sampling (km s−1) Spatial sampling (″) IRAS 20126 RMS noise (TA*, mK) AFGL 2591 RMS noise (TA*, mK)
GBT 84.50–85.75 0.32 4 27.20 25.91
GBT 95.55–96.80 0.28 4 25.99 23.61
IRAM 287.00–295.00 0.80 4 37.49 75.28

Notes. The spectral sampling is the channel width and the spatial sampling is the pixel size.

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