Galactic Subsystems on the Basis of Cumulative Distribution of Space Velocities

Galactic Subsystems on the Basis of Cumulative Distribution of Space Velocities

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A sample containing $4,614$ stars with available space velocities and high-quality kinematical data from the Arihip Catalogue is formed.For the purpose LADIES KNITWEAR URBAN CARDIGAN of distinguishing galactic subsystems the cumulative distribution of space velocities is studied.The fractions of the three subsystems are found to be: thin disc 92%, thick disc 6% and halo 2%.

These results are verified by analysing the elements of velocity ellipsoids and the shape and size of the galactocentric orbits of the sample stars, Bertazzoni P755CMODGNE 75cm Modern Series 5 Burner Gas On Glass Hob BLACK i.e.the planar and vertical eccentricities of the orbits.