Open Access

Table B.1.

Molecular species shown in Figs. B.1B.3.

Name Transition Eup/k (a) Frequency Aul(b) Database
(K) (MHz) s−1
C2H3CN 234, 19–224, 18 160.4 218 615.092 8.40(−4) cdms
C2H5CN 263, 23–253, 22 162.2 237 170.450 1.11(−3) cdms
c-C2H4O 80, 8–71, 7 52.4 235 105.022 2.33(−4) cdms
81, 8–70, 7 52.4 235 105.055 2.33(−4) cdms
C2H5OH 130.6 216 415.624 9.07(−5) jpl
CH3CN 124–114 183.1 220 679.287 8.21(−4) cdms
CH3COCH3 220, 22–210, 21 123.9 220 361.881 3.93(−4) jpl
220, 22–211, 21 123.9 220 361.881 1.61(−4) jpl
221, 22–210, 21 123.9 220 361.881 1.61(−4) jpl
221, 22–211, 21 123.9 220 361.881 3.93(−4) jpl
CH3NCO 243, 0–233, 0, vb = 0 191.0 217 701.086 4.40(−4) cdms
CH3OCH3 224, 19, 3–213, 20, 3 253.4 217 189.668 5.43(−5) cdms
224, 19, 5–213, 20, 5 253.4 217 189.669 5.43(−5) cdms
224, 19, 1–213, 20, 1 253.4 217 191.400 5.43(−5) cdms
224, 19, 0–213, 20, 0 253.4 217 193.132 5.43(−5) cdms
CH3OCHO 173, 14, 0–163, 13, 0 99.7 218 297.890 1.51(−4) jpl
CH3OH 123, 9–122, 10, vt = 0 230.8 250 635.207 8.29(−5) cdms
D2CO 40, 4–30, 3 27.9 231 410.234 3.47(−4) cdms
DCN 33–23 20.9 217 236.999 5.08(−5) cdms
32–21 20.9 217 238.300 3.84(−4) cdms
33–22 20.9 217 238.555 4.07(−4) cdms
34–23 20.9 217 238.612 4.57(−4) cdms
32–23 20.9 217 239.079 2.03(−6) cdms
32–22 20.9 217 240.622 7.12(−5) cdms
H2CNH 71, 6, 6–70, 7, 6 97.2 250 161.110 1.47(−4) cdms
71, 6, 8–70, 7, 8 97.2 250 161.373 1.48(−4) cdms
71, 6, 7–70, 7, 6 97.2 250 161.945 2.65(−6) cdms
71, 6, 6–70, 7, 7 97.2 250 161.972 3.06(−6) cdms
71, 6, 7–70, 7, 8 97.2 250 161.990 2.66(−6) cdms
71, 6, 8–70, 7, 7 97.2 250 162.190 2.34(−6) cdms
71, 6, 7–70, 7, 7 97.2 250 162.807 1.45(−4) cdms
H2CO 91, 8–91, 9 174.0 216 568.651 7.22(−6) cdms
HC3N 241–23−1, v7 = 1 452.3 219 173.757 8.30(−4) cdms
HNCO 101, 10, 9–91, 9, 9 101.1 218 980.248 1.63(−6) jpl
101, 10, 9–91, 9, 10 101.1 218 981.031 4.10(−9) jpl
101, 10, 9–91, 9, 8 101.1 218 981.170 1.46(−4) jpl
101, 10, 10–91, 9, 9 101.1 218 981.170 1.46(−4) jpl
101, 10, 11–91, 9, 10 101.1 218 981.170 1.48(−4) jpl
101, 10, 10–91, 9, 10 101.1 218 981.900 1.48(−6) jpl
NH2CHO 113, 9–103, 8 94.1 233 897.318 8.62(−4) jpl
NH2D 32, 2, 0, 2–31, 2, 1, 2 119.6 216 562.487 5.44(−5) jpl
32, 2, 0, 3–31, 2, 1, 2 119.6 216 562.489 4.86(−6) jpl
32, 2, 0, 4–31, 2, 1, 4 119.6 216 562.621 5.74(−5) jpl
32, 2, 0, 3–31, 2, 1, 4 119.6 216 562.622 4.92(−6) jpl
32, 2, 0, 2–31, 2, 1, 3 119.6 216 563.000 6.80(−6) jpl
32, 2, 0, 4–31, 2, 1, 3 119.6 216 563.001 3.83(−6) jpl
32, 2, 0, 3–31, 2, 1, 3 119.6 216 563.002 5.15(−5) jpl
NO (c) 3−1, 3, 4–21, 2, 3 19.3 250 796.436 1.85(−6) jpl
3−1, 3, 3–21, 2, 2 19.3 250 815.594 1.55(−6) jpl
3−1, 3, 2–21, 2, 1 19.3 250 816.954 1.39(−6) jpl
OCS 18–17, v  =  0 99.8 218 903.356 3.04(−5) cdms

Notes.

(a)

Energy expressed in Kelvins (k = Boltzmann’s constant)

(b)

Einstein spontaneous emission coefficient. a(b) = a × 10b.

(c)

To avoid contamination by strong nearby lines, NO maps are a combination of the 250.796 GHz transition for velocities from 6 to 19 km s−1, and of the 250.81 lines for velocities from −5 to 11 km s−1; the overlapping velocities are a sanity check.

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