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Table 2.
NH2 and NH3 OPRs and spin temperatures measured in the coma of 2I.
| Date | rh | NH2 OPR | NH3 |
|---|---|---|---|
| NH2 (0, 8, 0) band | |||
| 2019-11-15 | 2.1 | 3.07 ± 0.23 | 1.04 ± 0.12 |
| 2019-12-16 | 2.0 | 3.09 ± 1.07 | 1.05 ± 0.54 |
| 2019-12-24 | 2.0 | 3.29 ± 0.36 | 1.15 ± 0.18 |
| 2019-12-26 | 2.0 | 3.89 ± 0.88 | 1.45 ± 0.44 |
| Average | 3.17 ± 0.19 | ||
| TSpin | > 27(1σ) K | ||
| TSpin | > 22(3σ) K | ||
| NH2 (0, 9, 0) band | |||
| 2019-11-15 | 2.1 | 3.63 ± 0.38 | 1.32 ± 0.19 |
| 2019-12-16, 24, 26 | 2.0 | 2.99 ± 0.39 | 1.00 ± 0.20 |
| Average | 3.32 ± 0.27 | ||
| TSpin |
 K |
||
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