| A search for H I 21 cm absorption toward the highest redshift (z~5.2) radio-loud objects (2007) | |||||||||||||
Abstract | |||||||||||||
| Restricted Access. An open-access version is available at arXiv.org (one of the alternative locations). We have searched for H I 21 cm absorption toward the two brightest radio AGNs at high redshift, J0924-2201 at z=5.20 and J0913+5919 at z=5.11, using the Giant Metrewave Radio Telescope. These data set a 3 σ upper limit to absorption of | |||||||||||||
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