The Sun's displacement from the galactic plane from spectroscopic parallaxes of 2400 OB stars

Details The Sun's displacement from the galactic plane from spectroscopic parallaxes of 2400 OB stars The Sun's displacement from the galactic plane from spectroscopic parallaxes of 2400 OB stars

2005-07-28

arxiv.org/abs/astro-ph/0507655v1

Astronomy and Astrophysics

Astrophysics

Submitted to JRASC

Scientific paper

The Sun's vertical displacement from the galactic plane is determined model-independently from 3457 spectroscopic-parallax distance estimates for 2397 OB stars within 1200 pc of the Sun. The result, 19.5 +/- 2.2 pc, agrees well with other recent determinations. The distribution of stellar z-values with galactic longitude shows a slight sinusoidal dependence with an amplitude of about 26 pc.

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