The velocity fields of high redshift radio galaxies

Details The velocity fields of high redshift radio galaxies The velocity fields of high redshift radio galaxies

May 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...194.7306c&link_type=abstract

American Astronomical Society, 194th AAS Meeting, #73.06; Bulletin of the American Astronomical Society, Vol. 31, p.950

Astronomy and Astrophysics

Astronomy

Scientific paper

The velocity fields of high redshift radio galaxies are well fit by a two component dynamical model. One component is taken to be an isotropic line component from insitu gas photoionized by the centeral source and expanding as a bipolar shell. The second component is line emission from the central source, scattered by dust in the bipolar shell. The resulting integral field (position-velocity) cube is sensitive to the true 3-dimensional kinematics (3 spatial and 3 velocity dimensions), since the scattered component provides an orthogonal view of the system. The model provides a good fit to integral field and long slit data of high redshift radio galaxies. The results have interesting implications for the gas dynamics and dust content of massive galaxies in the early universe.

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