Table C.1
Observed parameters of HCN laser lines towards IRC+10216.
| Line | Obs. date | ϕIR | Vpk | Vrange | ∫ S dv | Spk | LHCN | 1σ @ Vch |
|---|---|---|---|---|---|---|---|---|
| (GHz) | (yyyy-mm-dd) | (km s−1) | (km s−1) | (Jy km s−1) | (Jy) | (photons s−1) | (Jy @ km s−1) | |
| 805 | 2010-05-12 | 0.23 | −26.7 | [−34.2, −21.1] | 9273.1 | 2209.2 | 1.1 × 1044 | 11.2 @ 0.19 |
| 2011-06-09 | 0.85 | −26.9 | [−32.6, −20.2] | 3963.6 | 1455.4 | 4.7 × 1043 | 11.1 @ 0.19 | |
| 2012-05-03 | 0.38 | −26.3 | [−32.1, −20.6] | 9625.8 | 2673.0 | 1.1 × 1044 | 11.6 @ 0.19 | |
| 2012-10-24 | 0.65 | −26.1 | [−32.8, −20.6] | 3478.8 | 895.0 | 4.1 × 1043 | 10.8 @ 0.19 | |
| 2012-11-30 | 0.71 | −26.4 | [−29.8, −21.6] | 2776.8 | 728.3 | 3.3 × 1043 | 11.4 @ 0.19 | |
| 2013-04-29 | 0.95 | −25.0 | [−31.8, −20.8] | 8106.7 | 2213.9 | 9.6 × 1043 | 10.4 @ 0.19 | |
| 891 | 2010-05-13 | 0.23 | −26.7 | [−34.8, −19.6] | 51616.9 | 13702.8 | 6.1 × 1044 | 18.0 @ 0.17 |
| 2011-06-09† | 0.85 | −26.5 | [−34.8, −19.6] | 27596.9 | 8814.5 | 3.3 × 1044 | 34.1 @ 0.17 | |
| 2012-05-04† | 0.38 | −26.0 | [−31.8, −20.0] | 62405.5 | 16751.3 | 7.4 × 1044 | 34.7 @ 0.17 | |
| 2012-10-26† | 0.66 | −26.2 | [−32.0, −20.6] | 60922.2 | 21214.6 | 7.2 × 1044 | 31.0 @ 0.17 | |
| 2012-11-30† | 0.71 | −26.2 | [−32.6, −19.8] | 61743.9 | 21955.3 | 7.3 × 1044 | 37.5 @ 0.17 | |
| 2013-04-28† | 0.95 | −26.0 | [−33.2, −20.4] | 80099.9 | 26370.0 | 9.5 × 1044 | 33.7 @ 0.17 | |
| 2018-12-17 | 0.22 | −23.9 | [−30.2, −21.8] | 52621.7 | 14023.6 | 6.2 × 1044 | 666.4 @ 0.16 | |
| 964 | 2010-05-16 | 0.24 | −26.5 | [−34.0, −20.2] | 19870.9 | 7057.0 | 2.3 × 1044 | 21.8 @ 0.16 |
| 2011-06-09 | 0.85 | −26.6 | [−32.0, −20.5] | 11239.3 | 4642.1 | 1.3 × 1044 | 36.5 @ 0.16 | |
| 2012-05-04 | 0.38 | −26.0 | [−32.1, −20.6] | 35326.3 | 10469.9 | 4.2 × 1044 | 34.7 @ 0.16 | |
| 2012-10-24 | 0.65 | −25.8 | [−32.0, −21.0] | 36280.0 | 13332.5 | 4.3 × 1044 | 35.2 @ 0.16 | |
| 2012-11-30 | 0.71 | −25.8 | [−31.8, −20.6] | 36638.3 | 13940.8 | 4.3 × 1044 | 34.3 @ 0.16 | |
| 2013-04-29 | 0.95 | −25.8 | [−32.8, −20.6] | 48059.8 | 18223.7 | 5.7 × 1044 | 33.9 @ 0.16 | |
| 2018-12-17 | 0.22 | −23.8 | [−29.8, −21.0] | 33876.5 | 10337.9 | 4.0 × 1044 | 260.8 @ 0.15 | |
| 968} | 2010-05-16 | 0.24 | −26.4 | [−34.0, −19.8] | 15959.7 | 3310.8 | 1.9 × 1044 | 22.8 @ 0.15 |
| 2011-06-09 | 0.85 | −26.9 | [−34.0, −19.0] | 9667.0 | 2473.0 | 1.1 × 1044 | 37.7 @ 0.15 | |
| 2012-05-04 | 0.38 | −26.9 | [−32.1, −20.4] | 9374.2 | 2124.6 | 1.1 × 1044 | 32.4 @ 0.15 | |
| 2012-10-24 | 0.65 | −27.0 | [−34.0, −20.0] | 4126.0 | 957.8 | 4.9 × 1043 | 34.8 @ 0.15 | |
| 2012-11-30 | 0.71 | −27.0 | [−34.5, −21.0] | 4073.3 | 903.8 | 4.8 × 1043 | 35.2 @ 0.15 | |
| 2013-04-29 | 0.95 | −26.5 | [−33.8, −19.0] | 11193.1 | 2324.4 | 1.3 × 1044 | 35.3 @ 0.15 | |
| 2018-12-17 | 0.22 | −26.1 | [−29.0, −20.0] | 9533.8 | 3051.2 | 1.1 × 1044 | 285.0 @ 0.15 | |
| 1055 | 2010-05-11 | 0.23 | −27.4 | [−34.0, −19.8] | 9108.4 | 1695.5 | 1.1 × 1044 | 33.4 @ 0.14 |
| 2010-05-16 | 0.24 | −25.6 | [−32.6, −20.4] | 8718.2 | 1688.8 | 1.0 × 1044 | 36.1 @ 0.14 | |
| 2011-06-09 | 0.85 | −26.3 | [−32.1, −20.7] | 4713.9 | 1143.8 | 5.6 × 1043 | 33.1 @ 0.14 | |
| 2012-05-04 | 0.38 | −25.7 | [−32.0, −21.0] | 6285.6 | 1951.0 | 7.4 × 1043 | 33.4 @ 0.14 | |
| 2012-10-24 | 0.65 | −25.3 | [−32.0, −21.0] | 2953.9 | 895.8 | 3.5 × 1043 | 33.7 @ 0.14 | |
| 2012-11-30 | 0.71 | −25.1 | [−29.5, −21.0] | 2274.2 | 707.2 | 2.7 × 1043 | 30.1 @ 0.14 | |
| 2013-04-29 | 0.95 | −25.0 | [−32.1, −20.2] | 6416.7 | 1656.4 | 7.6 × 1043 | 33.0 @ 0.14 | |
| 2018-12-17 | 0.22 | −25.6 | [−28.1, −20.9] | 5136.4 | 1928.6 | 6.1 × 1043 | 177.1 @ 0.14 |
Notes. Columns 2–9 list the observing date, phase (ϕIR), peak velocity (Vpk), velocity range (Vrange), integrated flux density (∫ S dv), peak intensity (Spk), HCN laser isotropic luminosity (LHCN), and 1 σ noise level at the channel spacing (Vch) for the corresponding HCN laser transition. The phases, where ϕIR = 0 corresponds to the maximum NIR brightness, were estimated using a period of 630 days and the epoch of the maximum, 2454554, in Julian Day format (Menten et al. 2012). These values were derived based on H, K, L and M infrared light curves of IRC+10216 (Shenavrin et al. 2011). The 891 GHz laser spectra exhibit contamination from 13CO (J = 8–7) emission in the other sideband, indicated by a dagger. The contamination removal spectra (see Figs. B.1h–l) were used to derive the parameters.
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