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07 February 2025
 
  » arxiv » astro-ph/0112143

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Decametric AGNs: FIRST and NVSS maps and radio spectra
Oleg V. Verkhodanov ; Natalia V. Verkhodanova ; Heinz Andernach ;
Date 6 Dec 2001
Subject astro-ph
Affiliation Special astrophysical observatory, Nizhnij Arkhyz, Russia; Depto. de Astronomía, Apdo., Univ. Guanajuato, Mexico
AbstractRadio sources from the decametric UTR--2 catalog were cross-identified with other radio catalogs at higher frequencies. We used the CATS database to extract all sources within the UTR beam size ($sim40’$) to find candidate radio identifications. Using the least squares method we fitted the spectrum of each source with one of a set of curves. We extracted NVSS and FIRST radio images for the radio-identified sources, and looked for a possible relation between size and spectral index.
Source arXiv, astro-ph/0112143
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