The Highest Redshift Radio Galaxy Known in the Southern Hemisphere

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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.
2 Pages, including 2 PostScript figures; To appear in "Looking Deep in the Southern Sky" eds R.Morganti & W.J.Couch, Proc. of ESO/Australia Workshop, Dec 97 Sydney

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Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/12573

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/astro-ph/9806133
 http://arxiv.org/abs/astro-ph/9806133

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arXiv