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Table 4

Clean transitions (i.e., not blended with other molecular species) of EG identified in the interferometric SMA spectra towards G31.

Frequency Transition Eup
(GHz) J Ka, Kc ,v (K) (Jy/beam × km s-1)

221.03880 226,17 (v = 0)216,16 (v = 1) 143 8.6
221.10032 225,18 (v = 0)215,17 (v = 1) 137 9.0
230.57714 243,22 (v = 0)233,21 (v = 1) 150 10.0
230.83032 242,22 (v = 0)232,21 (v = 1) 150 7.3
231.12740 237,16 (v = 0)227,15 (v = 1) 160 7.7

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