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Table 5
Upper limits and real measurements for the main cometary species in the spectrum of comet W3.
| Molecule | Central wavelength | Date of | Amplitude ×10-17 | Flux ×10-17 | Gas production |
| /Δλ (Å) | observations | (erg s-1 cm-2 Å-1) | (erg s-1 cm-2) | rate (1024 mol s-1) | |
|
|
|||||
| CN | 3870/62 | Dec. 13, 2006 | <0.56 | <6.2 | <1.45 |
| Nov. 9, 2007 | <1.13 | <15.7 | <2.92 | ||
| Dec. 4, 2008 | 11 733.7 | 102.66 | |||
|
|
|||||
| C3 | 4062/62 | Dec. 13, 2006 | <0.48 | <5.3 | <0.248 |
| Nov. 9, 2007 | <0.72 | <7.9 | <0.162 | ||
| Dec. 4, 2008 | 4221.2 | 4.12 | |||
|
|
|||||
| CO+ | 4266/64 | Dec. 13, 2006 | <0.41 | <4.5 | |
| Nov. 9, 2007 | <0.73 | <8.0 | |||
| Dec. 4, 2008 | 720.7 | ||||
|
|
|||||
| C2 | 5141/118 | Dec. 13, 2006 | <0.24 | <2.6 | <1.24 |
| Nov. 9, 2007 | <0.59 | <6.5 | <1.71 | ||
| Dec. 4, 2008 | 5771.2 | 65.42 | |||
|
|
|||||
| NH2 | 5715/90 | Dec. 13, 2006 | <0.19 | <2.1 | <6.73 |
| Nov. 9, 2007 | <0.39 | <4.3 | <6.01 | ||
| Dec. 4, 2008 | 472.1 | 31 17 | |||
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