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Table 1

List of unblended transitions detected towards HH212MM1 and used for the CH3CHO (LTE) and HDO (LVG) analysis.

Transition ν a E u a S μ 2 a rmsb F int b
(J Ka,Kc) (MHz) (K) (D2) (mK) (K km s-1)

CH3CHO

181,18171,17 E 333 941.4 155 226.8 51 2.8(0.5)
172,15162,14 A 334 931.4 153 212.1 57 2.6(0.1)
180,18170,17 A 335 358.7 154 226.8 52 2.3(0.5)
183,16173,15 A 347 519.2 179 221.3 68 2.4(0.2)
183,16173,15 E 347 563.3 179 221.1 68 1.7(0.3)

HDO

33,142,2 335 395.5 335 0.4 57 4.9(0.2)

Notes.

(a)

From the JPL database (Pickett et al. 1998).

(b)

In TB scale.

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