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To better understand our Galaxy, we investigate the pertinency of describingthe sys tem of nearby disk stars in terms of a two-components Schwarzschildvelocity distributio n.Using the proper motion and parallax information ofHipparcos database, we determine t he parameters characterizing the localstellar velocity field of a sample of 22000 disk stars. The sample we use isessentially the same as the one described by the criteria ad opted to study theLSR and the stream motion of the nearby stellar population

Kinematic segregation of nearby disk stars from the Hipparcos database