Steep-spectrum UTR Sources in FIRST survey

Details Steep-spectrum UTR Sources in FIRST survey Steep-spectrum UTR Sources in FIRST survey

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001a%26at...20..321v&link_type=abstract

Astronomy and Astrophysics Transactions (Russia) 20 (2001) 321-322 Proc. of the Joint European and National Astronomical Meeting

Astronomy and Astrophysics

Astronomy

2

Radio Astronomy, Catalogues, Radio Surveys, Radio Spectra

Scientific paper

In an attempt to find further candidates for high-redshift radio galaxies, we searched the UTR-2 catalogue of decametric radio sources for steep-spectrum (SS) objects (α <=-1.1, S ~να). Radio counterparts and radio continuum spectra were prepared using the CATS database of radio source catalogues. High-resolution images of SS sources were extracted from the FIRST 1.4 GHz survey, yielding accurate positions and sizes for 43 SS sources. The search for optical counterparts from the APM (object) and DSS (image) databases, as well as infrared and X-ray identifications of these UTR sources are in progress. Two examples are shown.

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