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Table 2.

Measured frequencies of cyanoketene and residuals from the fit.

Upper level
Lower level
Frequency (Unc.) o.-c.
J J (in MHz) (in MHz)
50 0 50 49 0 49 258564.279 (0.030) 0.0158
51 0 51 50 0 50 263664.044 (0.030) 0.0072
52 0 52 51 0 51 268763.111 (0.030) −0.0033
53 0 53 52 0 52 273861.449 (0.030) 0.0080
54 0 54 53 0 53 278958.964 (0.030) −0.0029
56 0 56 55 0 55 289151.434 (0.030) −0.0021
57 0 57 56 0 56 294246.325 (0.030) 0.0276
58 0 58 57 0 57 299340.182 (0.030) −0.0115
59 0 59 58 0 58 304433.094 (0.030) 0.0037
60 0 60 59 0 59 309524.912 (0.030) −0.0438
61 0 61 60 0 60 314615.773 (0.030) 0.0131
62 0 62 61 0 61 319705.459 (0.030) −0.0154
63 0 63 62 0 62 324794.050 (0.030) −0.0224
64 0 64 63 0 63 329881.526 (0.030) −0.0024

Notes. Full fit is available at the CDS: S1.

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