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The Spatial Distribution of O–B5 Stars in the Solar Neighborhood as Measured by [ITAL]HIPPARCOS[/ITAL][ITAL]Hipparcos[/ITAL]
We have developed a method to calculate the fundamental parameters of the vertical structure of the Galaxy in the solar neighborhood from trigonometric parallaxes alone. The method takes into account Lutz-Kelker-type biases in a self-consistent way and has been applied to a sample of O-B5 stars obtained from the Hipparcos catalog. We find that the Sun is located 24.2 +/- 1.7 (random) +/- 0.4 (systematic) pc above the galactic plane and that the disk O-B5 stellar population is distributed with adoi:10.1086/320399 fatcat:c2wzgg2odbevfpoelxqzixg2wm