Local kinematics of OB stars

Details Local kinematics of OB stars Local kinematics of OB stars

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ap%26ss..96..195f&link_type=abstract

Astrophysics and Space Science, Volume 96, Issue 1, pp.195-203

Astronomy and Astrophysics

Astrophysics

3

Scientific paper

Analysis of observational data of OB stars show an, excellent agreement of the density distributions in space ϱ(x, y, z) as well as in velocity spaceρ (dot x,dot y,dot z) with the predictions of the density wave theory, the values for the density and velocity fluctuations are explained only by the non-linear theory. These theoretical calculations predict perturbations greater than ±10 km s-1, consistent with the observations for the velocity field. Thus one should disregard analytical treatments of the linearized equations since they predict maximum perturbations of ±5km s-1. Another consequence of this is the fact that the Gould's Belt is not a local anomaly, but a local feature of the density waves. The analysis of observational data show that the wave pattern is similar to that of the gas and dust.

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