Table 6
Production rates of comets around 2.8 AU from the Sun.
| Comet | rh a |  |
QHCN | QCO |  |
 |
QCS |  |
Afρ | References |
|---|---|---|---|---|---|---|---|---|---|---|
| (AU) | (× 1026 molec s−1) | (cm) | ||||||||
| Hale–Bopp | −2.84 | 141 ± 5 | 11.5 ± 1.5 | 2000 ± 200 | 5.5 ± 0.5 | 100 ± 10 | 6 ± 2 | 6000 ± 500 | ~80000 | 1 |
| 2.88 | 100 ± 10 | 6.3 ± 0.1 | 1370 ± 40 | 4.5 ± 0.5 | 61 ± 4 | 3 ± 1 | 1500 ± 700 | ~50000 | 1 | |
| C/1997 J2 | 3.05 | 7.6 ± 2.1 | 0.6 ± 0.2 | 39 ± 10 | ||||||
| C/2002 T7 | −2.74 | 25 ± 1 | 0.29 ± 0.04 | 87 ± 15 | <3.0 | <4.8 | 280 ± 20 | ~2500 | 6 | |
| 17P/Holmes | 2.44 | 2150 ± 250 | 170 ± 20 | 1600 ± 200 | 128 ± 2 | ~33000 | ~500000 | 2 | ||
| 2.45 | 350 ± 100 | 21 ± 2 | 10.7 ± 0.1 | ~8700 | ||||||
| 2.46 | 250 ± 30 | 12 ± 2 | 7.8 ± 1.7 | 80 ± 5 | 8 ± 1 | |||||
| C/2006 W3 | 3.20 | 15.8 ± 0.9 | 1.6 ± 0.2 | 386 ± 25 | <2.4 | 10.1 ± 1.0 | 0.45 ±.19 | <200 | ~3500 | 3,4,6 |
| C/2014 Q2 | 3.36 | 9.2 ± 2.6 | 0.45 ± 0.17 | < 141 | <1.5 | <0.66 | ~350 | 6 | ||
| C/2014 S2 | 2.31 | 15 ± 4 | 0.4 ± 0.1 | 63 ± 36 | 0.22 ± 0.11 | <0.29 | ~1800 | 5 | ||
| 67P/C.G. | −2.80 | 0.012 ±.006 | < 0.018 | 0.8 ± 0.2 | 4 | 6 | ||||
| C/2016 R2 | 2.83 | 11.2 ± 0.7 | 0.04 ± 0.01 | 1056 ± 47 | 0.45 ± 0.07 | <0.71 | <0.14 | <120 | 670 | 5 |
Notes. Unpublished production rates are based on ground-based observations with IRAM 30 m, CSO, JCMT or Nançay radio telescopes. (a) Negative values meanpre-perihelion observations.
References.(1) Weiler et al. (2003); (2) Schleicher (2009); (3) Qdust = 900 kg s−1, Bockelée-Morvan et al. (2010); (4) Afρ ≈ 10 000 cm and Qdust = 380 kg s−1 pre-perihelion at 3.1 AU, Korsun et al. (2016); (5) Noël (2018); (6) M. Kidger / Spanish observers comet home page: http://www.observadores-cometas.com/cometas.html.
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