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Session 11 - QSOs and Radio Galaxies.
Display session, Monday, June 08
Atlas Ballroom,

[11.14] Spectral Variation in Radio Galaxies

K. Treichel, L. Rudnick (U. of Minnesota)

We have investigated a small set of radio galaxies whose maps have been taken from the literature. Using spectral tomography techniques, we have analyzed the variations in spectral index of these galaxies. We will present some preliminary findings. These include evidence of jets that show no significant spectral variations along their lengths, weak structures that run parallel to some jets, and a mixture of flat and steep spectrum structures in the hot spots of these galaxies. We will also briefly discuss the implications of these findings for the energization and transport of relativistic particles in radio galaxies. This work is supported at the University of Minnesota by grant AST96-16964 from the National Science Foundation.

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