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Table A.1.
C2/CN and NH/CN abundance ratios.
| Comet | log [Q(C2)/Q(CN)] | log [Q(NH)/Q(CN)] |
|---|---|---|
| 103P/Hartley 2 | 0.26 ± 0.04 | 0.56 ± 0.04 |
| 21P/Giacobini-Zinner | −0.45 ± 0.06 | 0.09 ± 0.09 |
| 73P/Schwassmann-Wachmann 3 | −0.99 ± 0.12 | 0.15 ± 0.06 |
| 88P/Howell | 0.28 ± 0.06 | 0.38 ± 0.10 |
| 9P/Tempel 1 | −0.07 ± 0.11 | 0.48 ± 0.05 |
| 46P/Wirtanen | 0.13 ± 0.06 | 0.51 ± 0.05 |
| 8P/Tuttle | 0.23 ± 0.05 | 0.37 ± 0.06 |
| C/2002 X5 (Kudo-Fujikawa) | 0.54 ± 0.03 | 0.41 ± 0.04 |
| C/2002 Y1 (Juels-Holvorcem) | 0.30 ± 0.03 | 0.35 ± 0.04 |
| C/2012 F6 (Lemmon) | 0.21 ± 0.09 | 0.66 ± 0.10 |
| C/2015 ER61 (PANSTARRS) | 0.63 ± 0.06 | 0.74 ± 0.10 |
| C/2016 R2 (PANSTARRS) | 0.04 ± 0.17 | 0.88 ± 0.48 |
| C/1996 B2 (Hyakutake) | 0.24 ± 0.14 | 0.54 ± 0.02 |
| C/2000 WM1 (LINEAR) | 0.31 ± 0.04 | 0.53 ± 0.03 |
| C/2001 Q4 (NEAT) | 0.30 ± 0.02 | 0.51 ± 0.04 |
| C/2002 T7 (LINEAR) | 0.44 ± 0.01 | 0.44 ± 0.03 |
| C/2002 V1 (NEAT) | 0.46 ± 0.03 | 0.50 ± 0.04 |
| C/2003 K4 (LINEAR) | 0.51 ± 0.02 | 0.42 ± 0.04 |
| C/2009 P1 (Garradd) | −0.11 ± 0.06 | 0.26 ± 0.16 |
| 2I/Borisov | −0.47 ± 0.07 | 0.49 ± 0.30 |
Notes. The C2/CN ratio of comet Hyakutake is from Schleicher & Osip (2002).
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