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Home All issues Volume 664 (August 2022) A&A, 664 (2022) A171 Full HTML
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Table 2

Spectroscopic parameters of the methanol transitions (using the CDMS database) detected towards [BHB2007] 11 and results from the Gaussian fits.

CH3OH
Frequency (MHz) QN Eup (K) Aij (s−1) Beam, PA ″×″,° rms (mK) δV (km s−1) Tmb (K) FWHM (km s−1) VLSR (km s−1)
218440.063(0.013) 4−2,3−3−1,2 E 45.46 4.69 × 10−5 0.41 × 0.39, 47 158 0.17 1.57(0.06) 3.2(0.1) −2.0
1.46(0.04) 6.1(0.3) 2.8
243915.788(0.004) 51,4–41.3 A 49.66 5.97 × 10−5 0.47 × 0.40, −84 59 0.15 1.16(0.04) 5.4(0.2) 9.9
2.01(0.04) 3.2(0.1) −2.0
1.67(0.02) 5.9(0.1) 2.8
247228.587(0.013) 42,2–51,5 A 60.92 2.12 × 10−5 0.46 × 0.39, −80 34 1.18 1.41(0.02) 4.9(0.1) 9.9
1.49(0.06) 2.9(0.2) −2.0
1.01(0.04) 5.6(0.0) 2.8
234683.37(0.012) 42.3–51,4 A 60.92 1.87 × 10−5 0.38 × 0.34, 70 74 0.62 0.99(0.04) 5.0(0.0) 9.9
1.32(0.07) 2.9(0.1) −2.0
0.92(0.04) 6.2(0.5) 2.8
234698.519(0.015) 54,2–63,3 E 122.72 6.34 × 10−6 0.38 × 0.34, 70 73 0.63 0.92(0.04) 5.3(0.3) 9.9
0.85(0.05) 3.1(0.2) −2.0
0.53(0.03) 5.1(0.5) 2.8
232945.797(0.012) 103,7–112,9 E 190.37 2.13 × 10−5 0.38 × 0.34, 70 79 0.62 0.56(0.03) 5.7(0.5) 9.9
1.12(0.07) 3.1(0.2) −2.0
0.84(0.04) 5.9(0.6) 2.8
247161.95(0.015) 16−2,15–153,13 E 338.14 2.57 × 10−5 0.46 × 0.39, −80 29 1.18 0.91(0.04) 5.6(0.4) 9.9
1.00(0.05) 3.0(0.2) −2.0
0.62(0.03) 5.6(0.0) 2.8
261704.409(0.015) 12−6,7–13−5,8 E 359.77 1.78 × 10−5 0.44 × 0.37, −82 104 0.14 0.72(0.03) 5.0(0.0) 9.9
1.41(0.05) 3.9(0.2) −2.0
0.53(0.05) 3.6(0.5) 2.8
233795.666(0.012) 183,15–174,14 A 446.58 2.20 × 10−5 0.38 × 0.34, 70 89 0.63 0.81(0.04) 5.2(0.3) 9.9
0.67(0.09) 2.6(0.4) −2.0
0.48(0.05) 6.3(1.2) 2.8
247610.918(0.014) 183,15-182,16 A 446.58 8.29 × 10−5 0.46 × 0.39, −80 49 1.18 0.51(0.06) 4.4(0.7) 9.9
1.16(0.06) 2.9(0.2) −2.0
0.67(0.04) 5.6(0.0) 2.8
246873.301(0.015) 193,16–192,17 A 490.65 8.27 × 10−5 0.46 × 0.39, −80 19 1.18 0.82(0.04) 5.0(0.0) 9.9
1.01(0.06) 2.7(0.2) −2.0
0.62(0.04) 5.6(0.0) 2.8
246074.605(0.016) 203,17–202,18 A 537.04 8.25 × 10−5 0.46 × 0.39, −80 29 1.19 0.73(0.04) 5.0(0.0) 9.9
0.93(0.08) 3.2(0.3) −2.0
0.65(0.05) 5.6(0.0) 2.8
0.66(0.05) 5.0(0.0) 9.9
13CH3OH
234011.58(0.05) 51,5-41,4 A+ 48.25 5.27 × 10-5 0.38 × 0.34, 70 76 0.62 0.41(0.05) 2.9(0.4) −2.0
0.47(0.03) 5.6(0.0) 2.8
0.30(0.03) 5.0(0.0) 9.9

Notes. The spectral resolution is indicated as δV. The 1σ errors are quoted in parentheses for the main beam temperature, the full width at half maximum, and velocity in the standard of rest. The spectra were extracted over the region above 4σ in the integrated intensity map for each transition.

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