Table 7: Model parameters used.
UT date $\langle r_{\rm h}\rangle$ Temperature $v_{\rm exp}$ $\beta_0$(HCN) $Q_{\rm H_2O}$
[mm/dd-dd] [AU] in the coma [km s-1] [s-1] [molec s-1] (Ref.)
C/1999 T1 (McNaught-Hartley) (2000/2001)  
09/28-30 1.64 40 K 0.65 $1.91\times10^{-5}$ $4.0\times10^{28}$ (1)
01/03-07 1.23 55 K 0.70 $1.80\times10^{-5}$ $9.0\times10^{28}$ (1)
01/24-30 1.37 50 K 0.70 $1.75\times10^{-5}$ $6.5\times10^{28}$ (1)
02/00-02 1.41 45 K 0.70 $1.71\times10^{-5}$ $6.0\times10^{28}$ (1)
02/04-07 1.45 45 K 0.65 $1.72\times10^{-5}$ $5.5\times10^{28}$ (1)
C/2001 A2 (LINEAR) (2001)  
06/06 0.82 70 K 0.85 $1.75\times10^{-5}$ $1.0\times10^{29}$ (2)
06/11-12 0.86 70 K 0.85 $1.80\times10^{-5}$ $1.5\times10^{29}$ (2,3)
06/16 0.90 65 K 0.85 $2.00\times10^{-5}$ $1.2\times10^{29}$ (2,3)
06/17-19 0.92 60 K 0.80 $2.00\times10^{-5}$ $0.8\times10^{29}$ (2)
07/08-10 1.16 50 K 0.70 $1.62\times10^{-5}$ $0.4\times10^{29}$ (2)
C/2000 WM1 (LINEAR) (2001)  
11/23-27 1.33 50 K 0.65 $1.80\times10^{-5}$ $2.5\times10^{28}$ (4)
12/03-04 1.19 55 K 0.70 $2.07\times10^{-5}$ $3.7\times10^{28}$ (4)
12/05-08 1.14 60 K 0.70 $2.05\times10^{-5}$ $4.0\times10^{28}$ (4)
153P/Ikeya-Zhang (2002)  
03/19-20 0.508 120 K 1.20 $1.84\times10^{-5}$ $7.0\times10^{29}$ (5)
04/24-25 0.96 63 K 0.88 $1.75\times10^{-5}$ $2.1\times10^{29}$ (6)
04/26-28 1.01 60 K 0.85 $1.75\times10^{-5}$ $1.8\times10^{29}$ (6)
04/29-30 1.05 55 K 0.82 $1.71\times10^{-5}$ $1.6\times10^{29}$ (6)
05/08-09 1.19 50 K 0.75 $1.87\times10^{-5}$ $1.0\times10^{29}$ (6)
05/11-12 1.25 48 K 0.75 $1.87\times10^{-5}$ $0.8\times10^{29}$ (6)
(1) From power law fit: $17.3\times10^{28}r_{\rm h}^{-3.1}$ based on SWAS H2O observations (Bensch et al. 2004).
(2) From a power law fit $6.8\times10^{28}r_{\rm h}^{-2}$ based on Lecacheux et al. (2003) and Hjalmarson et al. (2005).
(3) Outburst from Crovisier et al. (2002).
(4) From Lecacheux et al. (2003) assuming $r_{\rm h}^{-2}$ dependence: $5.2\times10^{28}r_{\rm h}^{-2}$ molec s-1.
(5) From Dello Russo et al. (2004).
(6) Power law fit $19.0\times10^{28}r_{\rm h}^{-4}$ based on Lecacheux et al. (2003) (Fig. 14).

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