The long-period binary central stars of the planetary nebulae NGC 1514 and LoTr 5

  title={The long-period binary central stars of the planetary nebulae NGC 1514 and LoTr 5},
  author={David Jones and Hans Van Winckel and A. Aller and Katrina Exter and Orsola De Marco},
  journal={Astronomy and Astrophysics},
The importance of long-period binaries for the formation and evolution of planetary nebulae is still rather poorly understood, which in part is due to the lack of central star systems that are known to comprise such long-period binaries. Here, we report on the latest results from the on-going Mercator-HERMES survey for variability in the central stars of planetary nebulae. We present a study of the central stars of NGC 1514, BD+30°623, the spectrum of which shows features associated with a hot… 

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