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Table 4
46P/Wirtanen HCN 2018/19 monitoring results.
| Date | MJD | Rh (au) | ∆ (au) | Imb mK km s−1 | QHCN/1025 (mol s−1) |
|---|---|---|---|---|---|
| 1209 | 58 461.8 | 1.056 | 0.088 | 135 + 19 | 1.57 0.21 |
| 1210 | 58 462.1 | 1.056 | 0.086 | 144 ± 52 | 1.65 ± 0.60 |
| 1214 | 58 466.7 | 1.056 | 0.078 | 135 ± 11 | 1.41 ± 0.11 |
| 1215 | 58 467.5 | 1.056 | 0.078 | 108 ± 10 | 1.10 ± 0.10 |
| 1216 | 58 468.5 | 1.056 | 0.077 | 78 ± 13 | 0.76 ± 0.12 |
| 1217 | 58 469.1 | 1.057 | 0.078 | 88 ± 19 | 0.88 ± 0.18 |
| 1220 | 58 472.7 | 1.060 | 0.081 | 145 ± 11 | 1.57 ± 0.12 |
| 1221 | 58 473.5 | 1.062 | 0.083 | 101 ± 7 | 1.08 ± 0.07 |
| 1222 | 58 474.2 | 1.063 | 0.085 | 84 ± 10 | 0.89 ± 0.10 |
| 1224 | 58 476.8 | 1.067 | 0.091 | 85 ± 11 | 0.96 ± 0.12 |
| 1225 | 58 477.5 | 1.069 | 0.095 | 96 ± 7 | 1.14 ± 0.08 |
| 1226 | 58 478.5 | 1.071 | 0.098 | 77 13 | 0.91 0.15 |
| 1227 | 58 479.2 | 1.074 | 0.102 | 110 ± 17 | 1.41 ± 0.21 |
| 1228 | 58 480.8 | 1.076 | 0.106 | 77 ± 13 | 0.97 ± 0.16 |
| 1229 | 58 481.5 | 1.079 | 0.111 | 115 ± 21 | 1.59 ± 0.28 |
| 1230 | 58 482.5 | 1.082 | 0.115 | 75 ± 7 | 1.01 ± 0.09 |
| 1231 | 58 483.5 | 1.085 | 0.120 | 104 ± 12 | 1.51 ± 0.17 |
| 0101 | 58 484.5 | 1.088 | 0.125 | 73 ± 5 | 1.05 ± 0.07 |
| 0102 | 58 485.2 | 1.091 | 0.130 | 65 6 | 0.95 0.07 |
| 0110 | 58 493.7 | 1.123 | 0.173 | 40 ± 14 | 0.67 ± 0.23 |
| 0111 | 58 494.2 | 1.128 | 0.179 | 44 ± 11 | 0.77 ± 0.19 |
| 0117 | 58 500.8 | 1.158 | 0.215 | 50 ± 8 | 1.02 ± 0.16 |
| 0118 | 58 501.2 | 1.164 | 0.222 | 28 ± 6 | 0.52 ± 0.11 |
Notes. Dateis UTstartofobservation2018/19mmdd. MJD corresponds to the centre of the time interval. See Sect. 4.2 for the HCN production rates.
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