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Table 4

List of the species and transitions serendipitously detected.

Transition ν a E u a S μ 2 a
(GHz) (K) (D2)

C2H5CN(101,10–91,9) 86.820 24 0.5
(CH3)2CO(184,14–175,13)-AE 215.881 111 655.7
13CH3OH–E(42,2–31,2) 215.887 45 3.5
CH3OCHO-E(201,20–191,19) 215.892 298 53.0
CH3OCHO-A(192,18–181,17) 216.360 109 7.2
13CH3OH–A(10−2,9–9−3,6) 216.370 162 2.7
H2S(22,0–21,1) 216.710 84 2.0
C2H3CN(232,22–222,21) 216.937 134 996.4
CH3OH-E(5−1,4–4-22) 216.946 56 1.1
CH3OCHO-E(173,14–163,13) 216.959 286 43.7
CH3OCHO-E(201,20–191,19) 216.965 111 52.8
CH3OCHO-A(201,20–191,19) 216.966 111 52.8
13CH3OH–A(102,8–93,7) 217.400 162 2.7
HCC13CN(24–23) 217.420 130 346.4
C2H5CN(295,25–285,24) 260.536 215 417.0

Notes. 

(a)

Frequencies and spectroscopic parameters of the molecular transitions have been extracted from the Jet Propulsion Laboratory molecular database (Pickett et al. 1998) for all transitions except those of methanol, which have been extracted from the Cologne Database for Molecular Spectroscopy (Müller et al. 2005).

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