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Table A.1.
Species detected in the coma of 2I from UVES observations.
| Species | Detected band/lines |
|---|---|
| OH | (0, 0) [310 nm] A2Σ+ − X2Π |
| NH | A3Πi − X3Σ− [336 nm] |
| CN | (0, 0) [388 nm], (1,0) [422 nm] B2Σ+ − X2Σ+ |
| CH | (0, 0) [431 nm] A2Δ − X2Π |
| C2 | (0, 0) [517 nm] d3Πg − A3Πu Swan System |
| NH2 | (0, 12, 0) [520 nm], (1, 7, 0) [540 nm], (0, 11, 0) [543 nm], (0, 10, 0 )[570 nm], (0, 9, 0) [600 nm], (0, 8, 0) [630 nm], |
| (0, 7, 0) [665 nm], (0, 6, 0) [695 nm] A–X | |
| [OI] | 557.73, 630.03, and 636.37 nm |
| NiI | 336.96, 339.30, 341.48, 343.36, 344.63 (*), 345.85, 346.17, 349.30 (*), 351.03, 351.51, 352.45, 356.64 (*), 361.94 nm |
| FeI | 344.06, 349.06, 358.12, 371.99, 373.49 (*), 374.56, 374.59, 374.83, 374.95, 375.82 nm |
Notes. (1)The blended FeI and NiI lines are marked by *. (2)Non detected species: N
, CO+, CO
, H2O+, and C3. (3)The number between brackets represent the approximate wavelength of the emission bands.
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