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Table A.2.
Observed line parameters for HNCCC, HCCNC, and HC3N in IRC+10216.
| Molecule | ju − jl | νobs(a) |  (b) |
|---|---|---|---|
| (MHz) | (K kms−1) | ||
| HNCCC | 4–3 | 37346.448(50) | 0.064(07) |
| HNCCC | 5–4 | 46683.020(80) | 0.077(07) |
| HCCNC | 4–3 | 39742.549(30) | 0.075(04) |
| HCCNC | 5–4 | 49678.155(50) | 0.078(06) |
| HCCCN | 4–3 | 36392.327(10) | 21.21(15) |
| HCCCN | 5–4 | 45490.311(10) | 24.20(15) |
| H13CCCN | 4–3 | 35267.369(20) | 0.620(08) |
| H13CCCN | 5–4 | 44084.175(50) | 0.959(07) |
| HC13CCN | 4–3 | 36237.909(50) | 0.621(08) |
| HC13CCN | 5–4 | 45297.243(50) | 0.913(07) |
| HCC13CN | 4–3 | 36241.427(50) | 0.605(08) |
| HCC13CN | 5–4 | 45301.689(50) | 1.046(08) |
Notes.
(a)
Observed frequencies for a vLSR of −26.5 km s−1 (Cernicharo et al. 2000). For all entries, values between parentheses represent the uncertainty in units of the last digit.
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