Close encounters of the stellar kind

Stars which pass close to the Sun can perturb the Oort cloud, injecting comets into the inner solar system where they may collide with the Earth. Using van Leeuwen’s re-reduction of the Hipparcos data complemented by the original Hipparcos and Tycho-2 catalogues, along with recent radial velocity su...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2015-03, Vol.575, p.A35
1. Verfasser:	Bailer-Jones, C. A. L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomical models Comets comets: general Confidence intervals Encounters methods: numerical methods: statistical Monte Carlo methods Oort Cloud Sampling Searching Stars stars: general stars: kinematics and dynamics
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