A study on the kinematics of the local system of young stars

Details A study on the kinematics of the local system of young stars A study on the kinematics of the local system of young stars

Jan 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...241...57c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 241, no. 1, Jan. 1991, p. 57-61. Research supported by CICYT.

Astronomy and Astrophysics

Astrophysics

23

Early Stars, Stellar Systems, Galactic Structure, Radial Velocity, Solar Neighborhood, Spatial Distribution

Scientific paper

Radial velocities of a sample of OB stars have been used to fit a two-dimensional model of the galactic field of velocities in the solar neighborhood. The model takes into account solar motion, galactic rotation, spiral structure, and local kinematic effects. Analysis of the stellar velocity field is carried out via series of orthogonal functions. The results indicate that Gould's belt kinematics is clearly separated from that of the spiral arms, and is indeed a local feature. Concerning the rotation curve and the characteristics of the spiral structure in the solar neighborhood, a good agreement is found with the results obtained in some cases using different approaches.

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