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Table B.3.

Line parameters of C3N.

Transition
νrest νz = 0.885875 Eu/kB Aul Sul gu τdv v0 vFWHM
(N, J, F)u → (N, J, F)l [MHz] [MHz] [K] [s−1] [10−3 km s−1] [km s−1] [km s−1]
(6, 13/2, 13/2)→(5, 11/2, 13/2) 59361.053 31476.664 10.0 2.18 × 10−7 0.15 14 55 (5)(†)
(6, 13/2, 11/2)→(5, 11/2, 9/2)    59361.383 31476.839 10.0 8.87 × 10−6 5.38 12
(6, 13/2, 13/2)→(5, 11/2, 11/2) 59361.386 31476.840 10.0 8.91 × 10−6 6.31 14 −0.5 (0.2) 7.8 (0.7)
(6, 13/2, 15/2)→(5, 11/2, 13/2) 59361.418 31476.857 10.0 9.13 × 10−6 7.38 16
(6, 13/2, 11/2)→(5, 11/2, 11/2) 59364.084 31478.271 10.0 2.53 × 10−7 0.15 12
(6, 11/2, 11/2)→(5, 9/2, 11/2)    59377.528 31485.400 10.0 2.95 × 10−7 0.18 12 (a)
(6, 11/2, 9/2)→(5, 9/2, 7/2)    59380.159 31486.795 10.0 8.64 × 10−6 4.36 10
(6, 11/2, 11/2)→(5, 9/2, 9/2)       59380.192 31486.812 10.0 8.70 × 10−6 5.27 12
(6, 11/2, 13/2)→(5, 9/2, 11/2)    59380.194 31486.813 10.0 9.00 × 10−6 6.36 14
(6, 11/2, 9/2)→(5, 9/2, 9/2)    59380.912 31487.194 10.0 3.56 × 10−7 0.18 10
(7, 15/2, 15/2)→(6, 13/2, 15/2) 69255.887 36723.477 13.3 2.62 × 10−7 0.13 16 26 (3)(†)
(7, 15/2, 13/2)→(6, 13/2, 11/2) 69256.249 36723.669 13.3 1.44 × 10−5 6.40 14
(7, 15/2, 15/2)→(6, 13/2, 13/2) 69256.252 36723.670 13.3 1.44 × 10−5 7.33 16 −0.8 (0.2) 4.2 (0.5)
(7, 15/2, 17/2)→(6, 13/2, 15/2) 69256.275 36723.683 13.3 1.47 × 10−5 8.40 18
(7, 15/2, 13/2)→(6, 13/2, 13/2) 69258.947 36725.099 13.3 2.99 × 10−7 0.13 14
(7, 13/2, 13/2)→(6, 11/2, 13/2) 69272.375 36732.220 13.3 3.41 × 10−7 0.15 14 20 (3)(†)
(7, 13/2, 11/2)→(6, 11/2, 9/2)    69275.018 36733.621 13.3 1.41 × 10−5 5.38 12
(7, 13/2, 13/2)→(6, 11/2, 11/2) 69275.042 36733.634 13.3 1.42 × 10−5 6.31 14 −1.5 (0.2) 3.9 (0.7)
(7, 13/2, 15/2)→(6, 11/2, 13/2) 69275.044 36733.635 13.3 1.45 × 10−5 7.39 16
(7, 13/2, 11/2)→(6, 11/2, 11/2) 69275.738 36734.003 13.3 3.99 × 10−7 0.15 12
(8, 17/2, 17/2)→(7, 15/2, 17/2) 79150.600 41970.226 17.1 3.07 × 10−7 0.12 18 (b)
(8, 17/2, 15/2)→(7, 15/2, 13/2) 79150.986 41970.431 17.1 2.17 × 10−5 7.41 16
(8, 17/2, 17/2)→(7, 15/2, 15/2) 79150.988 41970.432 17.1 2.18 × 10−5 8.35 18
(8, 17/2, 18/2)→(7, 15/2, 17/2) 79151.006 41970.441 17.1 2.21 × 10−5 9.41 20
(8, 17/2, 15/2)→(7, 15/2, 15/2) 79153.682 41971.860 17.1 3.45 × 10−7 0.12 16
(8, 15/2, 15/2)→(7, 13/2, 15/2) 79167.099 41978.975 17.1 3.87 × 10−7 0.13 16 19 (4)(†)
(8, 15/2, 13/2)→(7, 13/2, 11/2) 79169.750 41980.380 17.1 2.15 × 10−5 6.40 14
(8, 15/2, 15/2)→(7, 13/2, 13/2) 79169.768 41980.390 17.1 2.15 × 10−5 7.33 16 0.3 (0.5) 5 (1)
(8, 15/2, 17/2)→(7, 13/2, 15/2) 79169.770 41980.391 17.1 2.19 × 10−5 8.40 18
(8, 15/2, 13/2)→(7, 13/2, 13/2) 79170.446 41980.750 17.1 4.44 × 10−7 0.13 14

Notes. Spectroscopic data from CDMS catalogue. Parentheses indicate the uncertainty obtained by the Gaussian fitting programme. Fully overlapping transitions are marked with connecting symbols.

(a)

Blended with A-CH3CHO 31, 2 → 21, 1.

(b)

Blended with A-CH3CHO 41, 3 → 31, 2.

(†)Value obtained for the blended line of the overlapping hyperfine components.

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