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Local Variations of the Velocity Ellipsoid
Published online by Cambridge University Press: 25 May 2016
Extract
We have analyzed the distribution of residual velocities of nearby stars (within 200 pc of the Sun) looking for space variations on the velocity ellipsoid. We used a sample of 1071 main sequence stars of spectral types B, A and F selected from the Hipparcos Input Catalogue [7] with uvbyHβ photometric data. Ages have been calculated following [1]. Six subsamples with 8.07 ≤ log(age) ≤ 9.45 have been considered.
- Type
- Chapter 6: How are we to Understand the Large Scale Structure of the ISM?
- Information
- Symposium - International Astronomical Union , Volume 169: Unsolved Problems of the Milky Way , 1996 , pp. 525 - 526
- Copyright
- Copyright © Kluwer 1996