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Table A.2

List of transitions and observed line properties detected towards B5-IRS1

Species Transition a ν a HPBW Eup a 2 a rms b δV b Tpeak b Vpeak b FWHM b Iint b Database
(MHz) (′′) (K) (D2) (mK) (km s−1) (K) (km s−1) (km s−1) (K km s−1)
CO COng 2 – 1 230538.0 11 17 0.02 70 0.25 - - - ≥53 CDMS
13CO COng 2 – 1 220398.7 11 16 0.05 130 0.27 3.77 (0.23) +10.58 (0.01) 0.8 (0.1) 4.53 (0.53) CDMS
C18O 2 – 1 219560.3 11 16 0.02 9 0.27 2.69 (0.14) +10.19 (0.01) 1.1 (0.1) 2.34 (0.01) CDMS
13CN h1 2 – 1, J=5/2-3/2, 217467.1 11 16 8 8 0.27 0.09 (0.05) +10.18 (0.02) 0.9 (0.1) 0.06 (0.01) CDMS
F=4-3, F1=3-2,
13CS h2 5 – 4 231220.7 11 33 38 6 0.25 0.08 (0.02) +9.96 (0.03) 0.9 (0.1) 0.06 (0.01) CDMS
SO 55 – 44 215220.6 11 44 12 9 0.27 0.42 (0.03) +10.14 (0.01) 1.3 (0.1) 0.42 (0.01) CDMS
SO 65 – 54 219949.4 11 35 14 8 0.27 0.86 (0.06) +10.17 (0.01) 1.1 (0.1) 0.71 (0.01) CDMS
34SO 65 – 54 215839.9 11 35 14 9 0.27 0.07 (0.01) +10.01 (0.06) 1.4 (0.2) 0.07 (0.01) CDMS
CCD h3 3 – 2, J=7/2-5/2, 216372.8 11 21 3 8 0.27 0.11 (0.01) +9.66 (0.04) 1.2 (0.1) 0.11 (0.01) CDMS
F=9/2-7/2
CCD h4 3 – 2, J=5/2-3/2, 216428.3 11 21 2 8 0.27 0.08 (0.01) +9.96 (0.05) 1.1 (0.1) 0.07 (0.01) CDMS
F=7/2-5/2
DCN h5 3 – 2, F=4-3 217238.3 11 21 35 7 0.27 0.22 (0.14) +10.08 (0.02) 0.9 (0.1) 0.16 (0.01) CDMS
DCO+ 3 – 2 216112.6 11 21 142 5 0.27 1.59 (0.05) +10.18 (0.01) 0.7 (0.1) 0.85 (0.01) CDMS
N2D+ h6 3 – 2 231321.7 11 22 312 7 0.25 0.37 (0.02) +10.01 (0.01) 0.8 (0.1) 0.23 (0.01) JPL
SO2 42,2 – 31,3 235151.7 10 19 5 10 0.25 0.08 (0.01) +10.07 (0.06) 1.6 (0.1) 0.07 (0.01) CDMS
p-D2CO 41,4 – 31,3 221191.7 11 32 20 9 0.26 0.05(0.03) +9.93(0.04) 0.5(0.1) 0.03(0.05) JPL
o-D2CO 40,4 – 30,3 231410.3 11 28 43 8 0.25 0.09 (0.02) +10.09 (0.04) 0.9 (0.1) 0.07 (0.01) JPL
p-H2CO 30,3 – 20,2 218222.1 11 21 16 8 0.27 1.40 (0.09) +10.10 (0.01) 0.9 (0.1) 0.95 (0.09) CDMS
p-H2CO 32,2 – 22,1 218475.6 11 68 9 9 0.27 0.09 (0.01) +9.94 (0.04) 1.2 (0.1) 0.08 (0.01) CDMS
p-H2CO 32,1 – 22,0 218760.0 11 68 9 7 0.27 0.08 (0.01) +10.01 (0.03) 1.1 (0.1) 0.07 (0.01) CDMS
o-HCO 31,2 – 21,1 219908.5 11 33 44 4 0.27 0.05 (0.02) +10.08 (0.03) 0.6 (0.1) 0.02 (0.01) CDMS
o-H2CS 71,7 – 61,6 236727.0 10 59 56 6 0.25 0.07 (0.01) +9.95 (0.04) 0.8 (0.1) 0.05 (0.01) CDMS
o-c-C3H2 33,0 – 22,1 216278.8 11 19 46 7 0.27 0.61 (0.02) +10.08 (0.01) 0.8 (0.1) 0.38 (0.01) CDMS
o-c-C3H2 61,6 – 50,5 217822.1 11 39 175 8 0.27 0.67 (0.03) +9.98 (0.01) 0.9 (0.1) 0.64 (0.01) CDMS
o-c-C3H2 51,4 – 42,3 217940.0 11 35 110 8 0.27 1.42 (0.24) +9.98 (0.01) 0.8 (0.1) 0.27 (0.01) CDMS
p-c-C3H2 52,4 – 41,3 218160.5 11 35 37 9 0.27 0.14 (0.02) +9.94 (0.01) 0.9 (0.1) 0.16 (0.04) CDMS
p-c-C3H2 82,6-81,7 218448.8 11 87 21 - - - - - - CDMS
o-c-C3H2 c 83,6 – 82,7 218449.4 11 87 63 5 0.27 0.02(0.01) +9.69(0.19) 1.4(0.1) 0.03(0.01) CDMS
o-c-C3H2 ng 71,6 – 70,7 218732.7 11 61 33 5 0.27 0.02 (0.01) +9.42 (0.41) 3.0 (0.1) 0.06 (0.01) CDMS
CH3OH 4−2,3 – 3−1,2E 218440.1 11 45 14 7 0.27 0.07 (0.01) +10.14 (0.04) 0.9 (0.1) 0.06 (0.01) CDMS
CH2DOH ng 31,3 – 20,2e0 214701.7 11 17 2 7 0.54 0.03 (0.07) +9.99 (0.04) 0.6 (0.1) 0.03 (0.07) JPL

a Frequencies and spectroscopic parameters are from the Jet Propulsion Laboratory (JPL) molecular database (Pickett et al. 1998) and the Cologne Database for Molecular Spectroscopy (Müller et al. 2005).

b Gaussian fit.

COng Non-Gaussian profile. The line intensity is obtained by integrating the zero power full width (ZPFW) range. In particular −40, +40 km s−1 for CO (2–1), +8, +12 km s−1 for 13CO (2 – 1) (see Figure A.5). The value has to be considered a lower limit given the presence of absorption features.

ng Non-Gaussian profile. The line intensity is obtained by integrating the ZPFW range.

h1 The detected 2 – 1, J=5/2–3/2, F=4–3, F1=3–2 line consists of two hyperfine components with 2 ≤ 8 D2 (Müller et al. 2005) in a 0.05 MHz frequency interval. The line with the highest 2 line is reported (see, e.g., Figures A.2).

h2 The detected 5 – 4 line consists of four hyperfine components with 2 ≤ 38 D2 (Müller et al. 2005) in a 0.0 MHz frequency interval. The line with the highest 2 line is reported (see, e.g., Figures A.2).

h3 The detected 3 – 2, J=7/2–5/2, F=9/2–7/2 line consists of three hyperfine components with 2 ≤ 3 D2 (Müller et al. 2005) in a 0.5 MHz frequency interval. The line with the highest 2 line is reported (see, e.g., Figures A.2).

h4 The detected 3 – 2, J=5/2–3/2, F=7/2–5/2 line consists of two hyperfine components with 2 ≤ 2 D2 (Müller et al. 2005) in a 0.4 MHz frequency interval. The line with the highest 2 line is reported (see, e.g., Figures A.2).

h5 The detected 3 – 2, F=4–3 line consists of three hyperfine components with 2 ≤ 35 D2 (Müller et al. 2005) in a 0.7 MHz frequency interval. The line with the highest 2 line is reported (see, e.g., Figures A.2).

h6 The detected 3 – 2 line consists of 40 hyperfine components with 2 ≤ 312 D2 in a 3 MHz frequency interval. The values are taken from L. Dore in private communication. The line with the highest 2 line is reported (see, e.g., Figures A.2).

c Line blended at the present spectral resolution (0.2 MHz). Possible contamination due to p-c-C3H2 emission at 218448.8 MHz (Eu = 21 K, 2 = 87 D2).

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