Open Access
Table 1
Gas production rates and A(0)fρ parameter of 20F3 (NEOWISE).
| UT Date | rh | Δ | Production rates (molec/s) | A(0)fρ (cm) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (au) | (au) | OH [×1028] | NH [×1026] | CN [×1026] | C2 [×1026] | C3 [×1026] | BC | RC | GC | Rc | |
| 2020-07-22 | 0.63 | 0.69 | 8.13 ± 1.79 | 7.91 ± 0.73 | 3.40 ± 0.25 | 6.28 ± 0.16 | 1.11 ± 0.07 | 3375 ± 12 | 3658 ± 3 | 3499 ± 7 | 4392 ± 4 |
| 2020-07-23 | 0.65 | 0.69 | 9.71 ± 2.04 | 8.63 ± 0.92 | 4.47 ± 0.29 | 7.58 ± 0.17 | 1.21 ± 0.07 | – | 3612 ± 3 | – | – |
| 2020-07-24 | 0.67 | 0.70 | 10.80 ± 3.10 | 9.84 ± 0.74 | 4.76 ± 0.29 | 7.99 ± 0.20 | 1.26 ± 0.07 | – | 3580 ± 54 | – | 4554 ± 84 |
| 2020-07-25 | 0.69 | 0.70 | 9.56 ± 2.08 | 8.46 ± 0.63 | 4.22 ± 0.20 | 7.16 ± 0.15 | 1.06 ± 0.05 | – | 3575 ± 42 | – | 4181 ± 52 |
| 2020-07-26 | 0.71 | 0.71 | 7.63 ± 1.12 | 6.58 ± 0.52 | 3.27 ± 0.13 | 5.46 ± 0.09 | 0.81 ± 0.03 | 2418 ± 71 | 2786 ± 25 | 2653 ± 45 | – |
| 2020-08-05 | 0.93 | 0.91 | 3.77 ± 0.72 | 3.46 ± 0.35 | 1.61 ± 0.08 | 2.57 ± 0.06 | 0.42 ± 0.02 | 1213 ± 10 | 1278 ± 5 | 1303 ± 7 | 1782 ± 5 |
| 2020-08-06 | 0.95 | 0.93 | 3.55 ± 0.56 | 3.85 ± 0.28 | 1.79 ± 0.08 | 2.89 ± 0.06 | 0.47 ± 0.02 | 1384 ± 61 | 1488 ± 40 | 1448 ± 53 | – |
| 2020-08-11 | 1.05 | 1.08 | 1.67 ± 0.32 | 1.91 ± 0.19 | 0.92 ± 0.04 | 1.24 ± 0.03 | 0.21 ± 0.01 | – | – | – | 941 ± 3 |
| 2020-08-14 | 1.11 | 1.17 | 2.65 ± 0.57 | – | 1.34 ± 0.07 | 1.86 ± 0.04 | – | 1076 ± 18 | 1127 ± 10 | – | 1359 ± 9 |
| 2020-08-16 | 1.15 | 1.23 | 2.53 ± 0.42 | – | 1.38 ± 0.06 | 1.87 ± 0.04 | 0.37 ± 0.01 | 1026 ± 50 | 1114 ± 33 | – | 1331 ± 26 |
| 2020-08-17 | 1.17 | 1.26 | – | – | 1.36 ± 0.06 | 1.76 ± 0.04 | – | 1003 ± 33 | – | – | 1283 ± 15 |
| 2020-08-18 | 1.19 | 1.29 | – | – | 1.21 ± 0.05 | 1.56 ± 0.03 | – | – | – | – | 1167 ± 11 |
| 2020-08-21 | 1.25 | 1.39 | 1.83 ± 0.20 | 0.89 ± 0.11 | 0.54 ± 0.03 | – | – | – | – | – | 630 ± 12 |
| 2020-08-27 | 1.36 | 1.58 | – | – | 0.58 ± 0.03 | 0.72 ± 0.02 | 0.14 ± 0.01 | 303 ± 77 | 420 ± 44 | 368 ± 52 | 521 ± 22 |
| 2020-08-28 | 1.38 | 1.61 | 0.83 ± 0.18 | – | 0.67 ± 0.03 | – | – | – | – | – | 527 ± 20 |
| 2020-08-30 | 1.41 | 1.68 | 0.66 ± 0.15 | – | 0.59 ± 0.03 | 0.55 ± 0.02 | – | 306 ± 25 | – | – | 338 ± 11 |
| 2020-09-06 | 1.54 | 1.90 | – | – | 0.55 ± 0.03 | 0.58 ± 0.02 | – | 263 ± 35 | 351 ± 20 | – | – |
| 2020-09-10 | 1.61 | 2.02 | – | – | 0.46 ± 0.03 | 0.49 ± 0.03 | – | 232 ± 6 | 307 ± 4 | – | 315 ± 4 |
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