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Table 1.

Observed line parameters for the new molecule in TMC-1.

Ju νobs(a) νo − νc(b) Δv(c) (d)
(MHz) (kHz) (kms−1) (mK kms−1) (mK)
13 33690.975 +5.2 0.80 ± 0.05 8.2 ± 1.0 9.7
14 36282.540 −2.6 0.73 ± 0.04 8.0 ± 1.0 10.4
15 38874.102 −3.3 0.59 ± 0.05 5.9 ± 1.0 9.4
16 41465.655 −3.1 0.46 ± 0.05 4.5 ± 1.0 11.9
17 44057.202 +1.7 0.76 ± 0.09 5.1 ± 1.0 6.3
18 46648.736 +4.5 0.68 ± 0.08 5.3 ± 1.0 7.7
19 49240.242 −8.8 0.50 ± 0.10 2.7 ± 1.0 5.0

Notes.

(a)

Observed frequencies for a vLSR of 5.83 km s−1. The uncertainty is 10 kHz for all lines, except for J = 19 − 18 for which it is 20 kHz.

(b)

Observed minus calculated frequencies in kHz.

(c)

Linewidth at half intensity derived by fitting a Gaussian line profile to the observed transitions (in kms−1).

(d)

Integrated line intensity in mK kms−1.

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