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This article has an erratum: [https://doi.org/10.1051/0004-6361/201321096e]

Table 6

Parameters of our best-fit model of C2H3CN toward Sgr B2(N).

Moleculea Sizeb Trotc Nd Cinte Cvibf CNg ΔVh Voffi Fj
(′′) (K) (cm-2) (km s-1)
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
C2H3CN 2.3 170 7.38 × 1017 0.92 1.00 0.92 7.0 –1.0 e
2.3 170 2.21 × 1017 0.92 1.00 0.92 7.0 9.0 e
2.3 170 9.22 × 1016 0.92 1.00 0.92 10.0 –9.0 e
C2H3CN, ν11 = 1 1.6 170 3.69 × 1018 0.92 1.00 0.92 7.0 –1.0 e
1.6 170 9.22 × 1017 0.92 1.00 0.92 7.0 9.0 e
C2H3CN, ν15 = 1 1.6 170 4.61 × 1018 0.92 1.00 0.92 7.0 –1.0 e
1.6 170 1.11 × 1018 0.92 1.00 0.92 7.0 9.0 e
C2H3CN, ν11 = 2 1.6 170 5.53 × 1018 0.92 1.00 0.92 7.0 –1.0 e
1.6 170 1.38 × 1018 0.92 1.00 0.92 7.0 9.0 e
C2H3CN, ν11 = 1/ν15 = 1 1.6 170 5.53 × 1018 0.92 1.00 0.92 7.0 –1.0 e
1.6 170 1.38 × 1018 0.92 1.00 0.92 7.0 9.0 e
C2H3CN, ν15 = 2 1.6 170 1.01 × 1019 0.92 1.00 0.92 7.0 –1.0 e
C2H3CN, ν11 = 3 1.6 170 1.20 × 1019 0.92 1.00 0.92 7.0 –1.0 e
CH2CH13CN 2.3 170 3.77 × 1016 1.00 1.26 1.26 7.0 –1.0 e
2.3 170 1.13 × 1016 1.00 1.26 1.26 7.0 9.0 e
2.3 170 4.72 × 1015 1.00 1.26 1.26 10.0 –9.0 e
CHCN 2.3 170 3.77 × 1016 1.00 1.26 1.26 7.0 –1.0 e
2.3 170 1.13 × 1016 1.00 1.26 1.26 7.0 9.0 e
2.3 170 4.72 × 1015 1.00 1.26 1.26 10.0 –9.0 e
13CH2CHCN 2.3 170 3.77 × 1016 1.00 1.26 1.26 7.0 –1.0 e
2.3 170 1.13 × 1016 1.00 1.26 1.26 7.0 9.0 e
2.3 170 4.72 × 1015 1.00 1.26 1.26 10.0 –9.0 e

Notes.

(a)

Torsionally or vibrationally excited states are indicated after the name of the molecule and are modeled as separate entries. Entries with only the name of the molecule correspond to the ground state.

(b)

Source diameter (FWHM).

(c)

Rotational temperature.

(d)

Column density.

(e)

Correction factor that was applied to the column density to account for the correction to the approximate interpolation performed by XCLASS to compute the partition function.

(f)

Correction factor that was applied to the column density to account for the contribution of vibrationally or torsionally excited states or other conformers to the partition function.

(g)

Global correction factor that was applied to the column density (Cint × Cvib).

(h)

Linewidth (FWHM).

(i)

Velocity offset with respect to the systemic velocity of Sgr B2(N) Vlsr = 64 km s-1.

(j)

Flag indicating if the component belongs to the “emission” (e) or “absorption” (a) group.

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