Explaining the Praesepe blue straggler HD 73666

  title={Explaining the Praesepe blue straggler HD 73666},
  author={Luca Fossati and Stefan Wladyslaw Mochnacki and John D Landstreet and Wolf Weiss},
Aims. The blue straggler phenomenon is not yet well explained by current theory, although evolutionary models of star clusters require a good knowledge of it. We attempt to develop a formation scenario for HD 73666, a blue straggler member of the Praesepe cluster. Methods. We compile the known physical properties of HD 73666 found in the literature, focusing in particular on possible binarity and the abundance pattern. Results. HD 73666 appears to be slowly rotating, have no detectable… CONTINUE READING

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