Local stellar kinematics from Hipparcos data

@article{Dehnen1997LocalSK,
  title={Local stellar kinematics from Hipparcos data},
  author={W. Dehnen and J. Binney},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={1997},
  volume={298},
  pages={387-394}
}
  • W. Dehnen, J. Binney
  • Published 1997
  • Physics, Computer Science
  • Monthly Notices of the Royal Astronomical Society
  • From the parallaxes and proper motions of a kinematically unbiased subsample of the Hipparcos Catalogue, we have re-determined as a function of colour the kinematics of main-sequence stars.  Whereas the radial and vertical components of the mean heliocentric velocity of stars show no trend with colour, the component in the direction of Galactic rotation nicely follows the asymmetric drift relation, except for stars bluer than B − V = 0.1 mag. Extrapolating to zero dispersion yields, for the… CONTINUE READING
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