Highest redshift radio galaxy known in the Southern Hemisphere

Physics

Scientific paper

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Red Shift, Radio Galaxies, Southern Hemisphere, Telescopes, Spectra, Morphology, Asymmetry

Scientific paper

We present the discovery of a z = 413 galaxy TN J1338-1942, the most distant radio galaxy in the southern hemisphere known to date. The source was selected from a sample of Ultra Steep Spectrum (USS; (alpha) -13; S (proportional-to) (nu)(sup (alpha)) radio sauces using the Texas and NVSS catalogs. The discovery spectrum, obtained with the ES0 36m telescope, shows bright extended Ly-(alpha) emission. The radio source has a very asymmetric morphology, suggesting a strong interaction with an inhomogeneous surrounding medium.

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