Table 7: The X-ray $(F_{\rm x})$ and optical $(F_{\rm o})$ flux of the afterglow at 40 ks and their ratio $ (F_{{\rm o}/{\rm x}})$; $N_{\rm H}$ is the hydrogen column density, $\delta _{\rm o}$ is the temporal index decay of the optical afterglow and $\delta _{\rm x}$ is the temporal decay index of the X-ray afterglow.
Events $N_{\rm H}^{(1)}$ $F_{\rm o}^{(2)}$ $\delta _{\rm o}$ $F_{\rm x}^{(3)}$ $\delta _{\rm x}$ $ f_{{\rm o}/{\rm x}}^{(4)}$
XRF 981226 1.78 <1.7   $\rm 4.88^{+0.24}_{-0.44}$(5) $\rm -(0.66^{+0.68}_{-0.44})$(8) <0.34
XRF 990520 3.6 <5.7        
XRF 990704 3.0 <1.2   $5.95\pm0.78$(5) $ \rm -(0.88^{+0.28}_{-0.20})$(8) <0.20
XRR 991106 46 <34   $2.10\pm0.65$(5) $ \rm -(1.1^{+2.5}_{-2.1})$(8) <16
XRF 000416 8.0 <150        
XRF 000615 2.7 <2.7   $1.28\pm0.20$(5) $ \rm (0.23^{+1.32}_{-0.94})$ (8) <2.1
XRF 010213 3.4 <27        
XRR 010326B 4.3 <15        
XRR 010629 14 <36        
XRR 010921 19 <71        
    $210\pm40$ -1.6(10)      
XRF 011019 2.6 <8.3        
XRR 011030 10 <11   $30.8\pm0.9$ *   <0.39
XRF 011130 3.3 $ 70\pm11$ $\rm -1.30^{+0.04}_{-0.05}$(11) $0.99\pm0.92$*   $ 71\pm66$
XRR 011211 4.3 $ 23.6\pm0.87$ $ -0.96\pm0.06$(12) $1.0\pm0.1$(5) $-(1.6\pm0.3)$ (13) $24\pm3$
XRF 011212 34 <8.3        
XRR 020124 4.1 $4.03\pm0.52$        
XRR 020127 5 <20   $7.1\pm1.9$*   <2.8
XRF 020317 3.8 $85.4\pm7.8$        
XRR 020410 6.4 $ 8.8\pm4.1$ <-0.95(14) $\rm 77.8^{+6.3}_{-6.9}$(5) $-(0.92\pm0.12)$(8) $ 0.11\pm0.05$
XRF 020427       $5\pm2.5$(5) $\rm -(1.3^{+0.10}_{-0.12})$(8)  
XRF 020625 7.9 <200        
XRR 020812 4 <20        
XRR 020819 5.4 <13        
XRF 020903 2.3 $ (12\pm2)\times10^{3}$        
    <1.9        
XRR 021004 4.3 $140\pm7$ -1.3 (15) $ 14\pm1$** $-(1.0\pm0.2)$(16) 10 $\pm$ 1
XRR 021104 21 <2.5        
XRR 021112 15 <3.1        
XRR 021211 3.7 $3.11\pm0.53$ $-(0.96\pm0.04)$(17)      
XRR 030115 1.9 <13        
XRR 030323 4.8 $75.9\pm0.63$        
XRR 030324 1.9 <7        
XRR 030329 2.2 $ 3800\pm100$ $-0.97\pm0.03$(18) $500\pm50$** -(0.9)(19) $ 7.64\pm0.81$
XRF 030416 4.6 < $4.1\times10^{3}$        
XRR 030418 3.3 $4.8\pm3.4$        
XRF 030429 5.1 $23.6\pm3.3$        
XRF 030528 15 <0.4   $5.3\pm2.4$*   <0.07
XRF 030723 1.5 $ 4.9\pm1.8$ $-0.10\pm0.06$(20) $ 5.9\pm1.3$*   $ 0.83\pm0.35$
XRR 030725 3.3 $75\pm15$ -0.9(21)      
XRF 030823 8.2 <7.5        
XRF 030824 4.1 <14        
XRR 031220 11 <8.7   $2.2\pm0.8$*   <4.5
(1) In units of $1\times10^{20}~{\rm cm}^{-2}$, (2) in units of $\mu$J, (3) in units of $10^{-13}~{\rm erg~cm}^{-2}~{\rm s}^{-1}$, (4) optical flux in units of $\mu$J and X-ray flux in units of $10^{-13}~{\rm erg~cm}^{-2}~{\rm s}^{-1}$, (5) De Pasquale et al. (2006), (6) Frontera et al. (2000), (7) Feroci et al. (2001), (8) De Pasquale et al. (2006), (9) Maiorano et al. (2004), (10) Price et al. (2001b), (11) Garnavich et al. (2001), (12) Sezynski et al. (2001), (13) Piro et al. (2005), (14) Nicastro et al. (2004), (15) Weidinger et al. (2002), (16) Sako & Harrison (2002b), (17) Chornock et al. (2002b), (18) Price et al. (2003), (19) Tiengo et al. (2003a), (20) Fynbo et al. (2004), (21) Vinter et al. (2003), * flux extrapolated using the decay index between the prompt data and the first ToO observations, ** flux extrapolated using the early afterglow decay index from the observation nearest to 40 Ks.

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