AAS Meeting #194 - Chicago, Illinois, May/June 1999
Session 73. AGN: Radio Galaxies, QSO's and Blazars
Display, Wednesday, June 2, 1999, 10:00am-6:30pm, Southeast Exhibit Hall

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[73.06] The velocity fields of high redshift radio galaxies

K.C. Chambers (UH)

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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