In Search of Possible Associations between Planetary Nebulae and Open Clusters

@article{Majaess2007InSO,
  title={In Search of Possible Associations between Planetary Nebulae and Open Clusters},
  author={D. Majaess and David Gerald Turner and David Lane},
  journal={Publications of the Astronomical Society of the Pacific},
  year={2007},
  volume={119},
  pages={1349 - 1360}
}
We consider the possibility of cluster membership for 13 planetary nebulae that are located in close proximity to open clusters lying in their lines of sight. The short lifetimes and low sample size of intermediate-mass planetary nebulae with respect to nearby open clusters conspire to reduce the probability of observing a true association. Not surprisingly, line-of-sight coincidences almost certainly exist for 7 of the 13 cases considered. Additional studies are advocated, however, for six… 
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