The Highest Redshift Radio Galaxy Known in the Southern Hemisphere
classification
🌌 astro-ph
keywords
radiogalaxydiscoveryhemisphereknownsourcesouthernspectrum
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We present the discovery of a z=4.13 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 < -1.3) radio sources using the Texas and NVSS catalogs. The discovery spectrum, obtained with the ESO 3.6m 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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