The identification of CTA 21 |
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| Authors: | David A Allen Alan E Wright Jon G Abies |
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| Institution: | (1) Anglo-Australian Observatory, PO Box 296, 2121 Epping, NSW, Australia;(2) CSIRO Division of Radiophysics, PO Box 76, 2121 Epping, NSW, Australia |
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| Abstract: | CTA 21 has long been the outstanding example of a strong, compact radio source lacking an optical identification. We report
the discovery at infrared wavelengths of the counterpart of CTA 21, and show that its spectral shape is unusual. |
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| Keywords: | radio sources infrared sources |
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