Decametric AGNs: FIRST and NVSS maps and radio spectra

Details Decametric AGNs: FIRST and NVSS maps and radio spectra Decametric AGNs: FIRST and NVSS maps and radio spectra

2001-12-06

arxiv.org/abs/astro-ph/0112143v1

Astronomy and Astrophysics

Astrophysics

2 pages, uses newpasp.sty. To appear in Proc. IAU Colloq. 184, AGN Surveys, ed. R. F. Green, E. Ye. Khachikian, & D. B. Sander

Scientific paper

Radio 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.

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