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

Table 4

Selection of lines of CHCN covered by the EMoCA survey of Sgr B2(N2).

Transitiona Frequency Unc.b Eupc gupd Aule σf τpeakg Frequency rangeh Iobsi Imodj Iallk
(MHz) (kHz) (K) (10-5 s-1) (mK) (MHz) (MHz) (K km s-1) (K km s-1)
102,9–92,8 88 391.979 1 28 21 5.8 153 0.031 88 391.1 88 393.5 10.7(6)⋆ 6.7 11.3
104,7–94,6 88 700.116 1 41 21 5.1 153 0.034 88 699.3 88 702.7 11.9(7)⋆ 11.0 12.2
104,6–94,5 88 701.248 1 41 21 5.1 – – – – – – –
102,8–92,7 89 609.594 1 28 21 6.0 149 0.031 89 608.6 89 611.1 8.9(5)⋆ 7.2 10.3
110,11–100,10 95 857.723 1 28 23 7.7 100 0.038 95 856.4 95 859.4 12.5(4)⋆ 9.8 10.8
115,7–105,6 97 553.481 1 55 23 6.5 100 0.052 97 552.5 97 555.0 13.6(3)⋆ 12.8 13.4
115,6–105,5 97 553.506 1 55 23 6.5 – – – – – – –
111,10–101,9 99 642.907 1 30 23 8.6 162 0.039 99 641.8 99 644.7 7.5(6)⋆ 10.3 11.4
125,8–115,7 106 433.758 1 60 25 8.8 123 0.063 106 432.3 106 435.7 17.2(4)⋆ 13.6 16.0
125,7–115,6 106 433.815 1 60 25 8.8 – – – – – – –
123,9–113,8 106 684.840 1 43 25 9.3 123 0.040 106 683.9 106 686.8 12.1(4)⋆ 8.5 9.0
130,13–120,12 112 704.985 2 38 27 12.6 242 0.049 112 703.9 112 706.8 18.4(8)⋆ 14.3 14.9

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 are used in the population diagrams shown in Figs. 1a and b.

(j)

Integrated intensity of the synthetic spectrum of CH313CH213CN.

(k)

Integrated intensity of the model that contains the contribution of all identified molecules, including CH313CH213CN.

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