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This article has an erratum: [https://doi.org/10.1051/0004-6361/201935428e]

Table B.2

Selection of lines of CH3NHCHO νt = 0 covered by the EMoCA survey of Sgr B2(N2).

Transitiona Frequency Unc.b Eup c gup d Aul e σ f τpeak g Frequency rangeh I obs i Imod j Iall k
(MHz) (kHz) (K) (10-5 s-1) (mK) (MHz) (MHz) (K km s-1) (K km s-1)
82,6–72,5 91 888.760 1 27 17 3.1 117 0.024 91 887.2 91 890.1 6.2(5)⋆ 3.6 4.0
90,9–80,8 93 406.380 1 23 19 3.6 104 0.032 93 404.9 93 407.8 7.7(4)⋆ 4.5 4.8
92,8–82,7 99 695.472 1 27 19 4.2 162 0.033 99 693.6 99 697.0 10.5(6)⋆ 7.3 7.5
91,8–81,7 101 309.201 1 30 19 4.7 133 0.034 101 307.6 101 310.6 11.1(5) 7.5 7.7
106,4–96,3 111 215.743 1 59 21 4.1 166 0.024 111 213.9 111 217.3 7.9(6)⋆ 5.8 6.2
110,11–10,1 112 875.483 1 37 23 6.6 242 0.044 112 873.3 112 877.3 22.6(9) 11.7 12.8

Notes.

(a)

Quantum numbers of the upper and lower levels.

(b)

Frequency uncertainty.

(c)

Upper level energy.

(d)

Upper level degeneracy.

(e)

Einstein coefficient for spontaneous emission.

(f)

Measured rms noise level.

(g)

Peak opacity of the synthetic line.

(h)

Frequency range over which the emission was integrated.

(i)

Integrated intensity of the observed spectrum in brightness temperature scale. The statistical standard deviation is given in parentheses in unit of the last digit. Values marked with a star indicate the lines that suffer little contamination and are thus unambiguously detected.

(j)

Integrated intensity of the synthetic spectrum of CH3NHCHO νt = 0.

(k)

Integrated intensity of the model that contains the contribution of all identified molecules, including CH3NHCHO νt = 0.

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