Kinematics of faint white dwarfs.
An analysis has been made for solar motion for 128 very faint white dwarfs of color class b or a. While about 40% of these stars may be high-velocity objects, it seems definitely indicated that the luminosity of all of them is considerably lower than that for the "normal" white dwarf of the same color.
University of Minnesota, 211 Space Science Center, Minneapolis, Minnesota 55455.
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Luyten