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. Author manuscript; available in PMC: 2016 Oct 10.
Published in final edited form as: Astrophys J Lett. 2016 Oct 5;830(1):L6. doi: 10.3847/2041-8205/830/1/L6

Table 1.

COM transitions covered in our observations and their derived line parameters

Species Line Frequency Eu gu Aul (0”,0”) CH3OH peak
(MHz) (K) (s−1) Areab
(mK km s−1)		 VLSR
(km s−1)		 Δv
(km s−1)		 Tmbc
(mK)		 Areab
(mK km s−1)		 VLSR
(km s−1)		 Δv
(km s−1)		 Tmbc
(mK)
CH3Oa F=1→0, Λ=-1 82455.98 4.0 3 6.5×10−6 ≤3.7 … … ≤16.2 3.5(0.9) 7.06(0.03) 0.3(0.1) 10.8(2.4)
F=2→1, Λ=-1 82458.25 4.0 5 9.8×10−6 ≤3.7 … … ≤15.9 9.2(1.1) 7.21(0.02) 0.40(0.05) 21.8(3.0)
F=2→1, Λ=+1 82471.82 4.0 5 9.8×10−6 ≤3.9 … … ≤17.1 7.8(1.0) 7.22(0.02) 0.30(0.05) 24.3(2.9)
F=1→0, Λ=+1 82524.18 4.0 3 6.5×10−6 ≤3.5 … … ≤15.0 2.6(0.9) 7.14(0.06) 0.27(0.08) 8.9(3.0)
CH3OCHO 91,9→81,8 E 100078.608 25.0 38 1.4×10−5 1.8(0.8) 7.23(0.10) 0.42(0.2) 4.1(2.0) ≤1.7 … … ≤8.1
91,9→81,8 A 100080.542 25.0 38 1.4×10−5 2.0(1.0) 7.22(0.19) 0.44(0.15) 4.4(1.7) 3.3(0.8) 7.16(0.03) 0.30(0.09) 10.4(2.6)
83,5→73,4 E 100294.604 27.4 34 1.3×10−5 ≤1.3 … … ≤5.4 3.5(0.9) 7.20(0.04) 0.34(0.10) 9.9(2.5)
83,5→73,4 A 100308.179 27.4 34 1.3×10−5 ≤1.7 … … ≤7.2 ≤1.4 … … ≤6.9
81,7→71,6 E 100482.241 22.8 34 1.4×10−5 ≤4.1 … … ≤5.7 6.5(0.9) 7.17(0.02) 0.31(0.06) 19.6(2.7)
81,7→71,6 A 100490.682 22.8 34 1.4×10−5 3.5(0.7) 7.21(0.04) 0.37(0.07) 8.9(2.2) 3.0(0.7) 7.16(0.03) 0.23(0.06) 12.3(2.6)
90,9→80,8 E 100681.545 24.9 38 1.5×10−5 1.6(0.9) 7.16(0.11) 0.4(0.2) 4.1(2.8) ≤1.6 … … ≤7.5
90,9→80,8 A 100683.368 24.9 38 1.5×10−5 4.1(1.1) 7.12(0.07) 0.54(0.14) 7.2(2.7) 3.3(0.7) 7.11(0.03) 0.24(0.05) 13.1(2.6)
CH3OCH3   41,4→30,3 EAd 99324.357 10.2 36 2.2×10−5 3.4(0.8) 7.11(0.05) 0.38(0.10) 8.4(2.4) 6.2(1.2) 7.11(0.03) 0.36 (0.08) 16.4(3.5)
  41,4→30,3 AEd 99324.359 10.2 54 3.3×10−5 … … … … … … … …
41,4→30,3 EE 99325.208 10.2 144 8.9×10−5 4.0(0.8) 7.15(0.03) 0.32(0.07) 11.55(2.2) 9.6(1.2) 7.12(0.02) 0.39(0.06) 23.5(3.1)
41,4→30,3 AA 99326.058 10.2 90 5.5×10−5 2.0(0.9) 7.22(0.09) 0.3(0.2) 5.4(2.5) 3.7(1.1) 7.12(0.05) 0.29(0.09) 12.0(3.7)
 62,5→61,6 EAd 100460.412 24.7 52 1.8×10−5 ≤1.2 … … ≤5.8 ≤1.8 … … ≤7.8
 62,5→61,6 AEd 100460.437 24.7 78 2.6×10−5 … … … … … … … …
62,5→61,6 EE 100463.066 24.7 208 7.0×10−5 ≤1.2 … … ≤5.7 1.4(0.8) 7.16(0.07) 0.26(0.16) 5.2(2.6)
62,5→61,6 AA 100465.708 24.7 130 4.4×10−5 ≤1.3 … … ≤6.3 ≤1.8 … … ≤7.8
CH3CHO 21,2→10,1 E 83584.260 5.0 10 2.2×10−6 3.8(1.5) 7.12(0.04) 0.32(0.10) 10.9(2.6) 12.8(1.1) 7.18(0.01) 0.31(0.04) 39.0(3.1)
21,2→10,1 A 84219.764 5.0 10 2.4×10−6 5.5(0.8) 7.21(0.02) 0.30(0.05) 17.4(2.5) 9.6(0.9) 7.12(0.01) 0.26(0.02) 34.4(3.0)
21,1→10,1 E 87109.504 5.2 10 1.3×10−7 ≤1.4 … … ≤6.5 ≤1.7 … … ≤7.7
22,0→31,3 A 87146.655 11.8 10 2.9×10−7 ≤1.3 … … ≤6.2 ≤1.5 … … ≤6.6
22,0→31,3 E 87204.278 11.9 10 1.1×10−7 ≤1.6 … … ≤5.9 ≤1.7 … … ≤7.4
63,4→72,5 A 99141.294 24.4 10 7.1×10−7 ≤1.4 … … ≤6.7 1.8(0.8) 6.95(0.03) 0.2(0.2) 8.1(3.0)
63,4→72,6 E 99490.149 24.3 10 6.1×10−7 ≤1.4 … … ≤6.7 2.9(0.9) 7.33(0.07) 0.4(0.1) 6.3(2.3)
CH3NC 50→40 100526.541 14.5 44 8.1×10−5 4.0(1.0) 7.15(0.09) 0.66(0.18) 5.7(2.3) ≤1.8 … … ≤7.5
51→41 100524.249 21.5 44 7.8×10−5 2.6(0.7) 7.38(0.05) 0.35(0.11) 7.0(2.2) ≤1.8 … … ≤7.5
52→42 100517.433 42.7 44 6.8×10−5 ≤1.7 … … ≤6.9 ≤1.8 … … ≤7.5
c-C3H2O 61,6→51,5e 79483.520 14.6 39 5.1×10−5 … … … … 7.7(1.4) 7.09(0.03) 0.38(0.08) 18.8(3.0)
71,6→61,5 103069.925 21.1 45 1.1×10−4 3.3(0.9) 7.18(0.06) 0.39(0.09) 8.0(2.8) 3.7(1.7) 7.1(0.1) 0.5(0.3) 7.6(3.4)
CH2CHCN 90,9→80,8 84946.000 20.4 57 4.9×10−5 24.78(1.0) 7.290(0.007) 0.397(0.019) 58.7(2.3) 6.6(1.1) 7.30(0.02) 0.29(0.06) 21.1(3.1)
91,8→81,7 87312.812 23.1 57 5.3×10−5 13.2(0.9) 7.245(0.012) 0.35(0.03) 35.3(2.4) 5.1(1.1) 7.20(0.06) 0.46(0.09) 10.4(2.7)
110,11→100,10 103575.395 29.9 69 9.0×10−5 7.8(0.8) 7.30(0.02) 0.42(0.05) 17.3(2.3) ≤1.8 … … ≤8.7
HCCNC 10→9f 99354.250 26.2 63 4.6×10−5 29.2(1.0) 7.227(0.005) 0.438(0.013) 62.7(1.6) 7.1(1.0) 7.17(0.03) 0.40(0.05) 16.5(2.2)
HCCCHO 90,9→80,8 83775.842 20.1 19 1.8×10−5 5.5(1.2) 7.08(0.06) 0.49(0.11) 10.6(2.8) 3.2(1.2) 7.04(0.06) 0.28(0.12) 10.8(3.5)
NH2CHO 40,4→30,3g 84542.400 10.2 11 4.1×10−5 ≤1.8 … … ≤8.4 ≤2.3 … … ≤9.6
41,3→31,2g 87848.915 13.5 11 4.3×10−5 ≤1.3 … … ≤6.0 ≤1.8 … … ≤7.2
CH3NCO 101,10→91,9 87506.605 29.0 21 3.0×10−5 ≤1.1 … … ≤5.1 ≤1.2 … … ≤5.7
12−1,12→11−1,11 103023.61 39.4 25 4.9×10−5 ≤1.3 … … ≤6.3 ≤1.6 … … ≤7.5
Glycine 65,2→54,1 103294.648 15.2 39 1.6×10−6 ≤1.7 … … ≤8.0 ≤2.1 … … ≤9.9
Conf I. 65,1→54,2 103297.993 15.2 39 1.6×10−6 ≤1.7 … … ≤8.0 ≤2.1 … … ≤9.9
a

Hyperfine components of the N=1-0, K=0, J=3/2→1/2 transition of CH3O.

b

Upper limits calculated as 3σ×Δυ×δυ, with σ the rms noise level, Δv the linewidth and δv the velocity resolution of the spectrum.

c

The rms noise level, σ, is given in parenthesis. Upper limits to the peak intensities refer to the 3σ noise level

d

The AE and EA transitions overlap. We only show the gaussian fit for one of the lines. In the rotational diagram of this species, the individual areas of the AE and EA transitions are calculated by weighting the blended area by the degeneracy gu×gi of every transition.

e

Transition not observed toward the continuum peak.

f

Hyperfine structure not resolved.

g

Hyperfine transitions blended. Spectroscopic information provided only for the brightest hyperfine component F=5-4.