Gould's Belt: Local system of young stars

Details Gould's Belt: Local system of young stars Gould's Belt: Local system of young stars

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998egdg.conf..157p&link_type=abstract

"Dynamics of Galaxies and Galactic Nuclei, An International Workshop of the SFB 328 "Evolution of Galaxies" held at the ITA Nove

Computer Science

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Scientific paper

The kinematics of local young stars has been analyzed using the data from the Hipparcos catalogue. The system of young stars within 1 kpc from the Sun lags behind the galactocentric rotation of the LSR by about 15 km/s and it rotates in the same direction but faster than the Milky Way. To interpret the observed motions, the free expansion of a star cluster, Keplerian rotation around a central body and a model with contraction and expansion were tested. An alternative model using the loop orbit passing through solar vicinity or a more complex model with several interacting bubbles has to be analyzed in the future.

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