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Table 3
Upper limits for the main cometary species not detected in the spectra.
| Molecule | Central wavelength, | σ, | Flux, | Gas production rate, |
| Å/Δλ | 10-17 erg s-1 cm-2 Å-1 | 10-17 erg s-1 cm-2 | 1023 mol s-1 | |
|
|
||||
| 2006 | ||||
| CN | 3870/62 | 0.46 | <5.0 | <4.3 |
| C3 | 4062/62 | 0.22 | <2.4 | <0.3 |
| CO+ | 4266/64 | 0.15 | <1.6 | |
| C2 | 5141/118 | 0.11 | <1.2 | <6.2 |
|
|
||||
| 2008 | ||||
| CN | 3870/62 | 0.56 | <3.0 | <2.0 |
| C3 | 4062/62 | 0.38 | <2.1 | <0.1 |
| CO+ | 4266/64 | 0.38 | <2.1 | |
| C2 | 5141/118 | 0.28 | <1.5 | <3.3 |
Notes. These values have been computed with an aperture of 1 × 20′′.
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