Evolved solar systems in Praesepe

@article{Casewell2010EvolvedSS,
  title={Evolved solar systems in Praesepe},
  author={Sarah L. Casewell and Matthew R. Burleigh and Paul D. Dobbie and Ralf Napiwotzki},
  journal={arXiv: Solar and Stellar Astrophysics},
  year={2010},
  volume={1331},
  pages={292-296}
}
We have obtained near‐IR photometry for the 11 Praesepe white dwarfs, to search for an excess indicative of a dusty debris disk. All the white dwarfs are in the DAZ temperature regime, however we find no indications of a disk around any white dwarf. We have, however determined that the radial velocity variable white dwarf WD0837+185 could have an unresolved T8 dwarf companion that would not be seen as a near‐IR excess. 
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