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Table 3:

Ages and dust masses of the disks in planetary nebulae.

Nebula
Nebular Age Dust Mass Reference
  [yr] [$M_{\odot}$]  

CPD $-56\degr8032$
102 $3 \times 10^{-4}$ (2), (3)
Ant nebula (Mz 3) 103 $1 \times 10^{-5}$ (1), (4)
M 2-29 $5\times10^3$ 10-6 This paper
Helix nebula $1.1 \times 10^4$ $4 \times 10^{-7}$ (5), (6)

References. (1) Chesneau et al. (2006); (2) Chesneau et al. (2007); (3) De Marco et al. (1997); (4) Guerrero et al. (2004); (5) Meaburn et al. (2008); (6) Su et al. (2007).


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