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Pulkovo compilation of radial velocities for 35495 stars in a common system.
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| XZ Dra: observations spanning 70 years
During the past seventy years a great number of observations of XZ Drahave been collected at Konkoly Observatory. Here we publish 344 visualobservations made by L. Detre in the years 1932 and 1934, 4440photographic magnitudes obtained in the years 1935-1957, 40 white lightphotoelectric data from 1957, and 6066 UBV(RI)_c observations madebetween 1958-1988, and further CCD observations from 2001. All publishedobservations are reviewed and the times of light maximum of XZ Dra arecollected as well. New normal maxima have been determined in order tofollow the star's long-term period changes.
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