• Corpus ID: 15186247

The CV period gap: still there

  title={The CV period gap: still there},
  author={Ulrich C. Kolb and Andrew King and H. Ritter Astronomy Group and University of Arizona - Mpa Garching},
  journal={arXiv: Astrophysics},
We consider a recently-proposed alternative explanation of the CV period gap in terms of a revised mass-radius relation for the lower main sequence. We show that no such thermal-equilibrium relation is likely to produce a true gap. Using population synthesis techniques we calculate a model population that obeys the claimed equilibrium mass-radius relation. A theoretical period histogram obtained from this population shows two prominent period spikes rather than a gap. We consider also recent… 

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