A sample of gigahertz peaked spectrum candidate radio sources located south of delta = -9.5 deg

Details A sample of gigahertz peaked spectrum candidate radio sources located south of delta = -9.5 deg A sample of gigahertz peaked spectrum candidate radio sources located south of delta = -9.5 deg

Nov 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apjs...95..157c&link_type=abstract

The Astrophysical Journal Supplement Series, vol. 95, no. 1, p. 157-161

Astronomy and Astrophysics

Astronomy

11

Quasars, Radio Astronomy, Radio Spectra, Sky Surveys (Astronomy), Flux Density, Radio Frequencies, Red Shift, Southern Sky, Stellar Magnitude

Scientific paper

From spectral indices, at two median frequencies, of 297 radio sources identified as quasars by Veron-Cetty & Veron (1983) located south of declination -9.5 deg, a search for gigahertz peaked spectrum (GPS) sources has been made. By using spectral indices computed from frequencies in the ranges 408-1410 MHz and 2700-5009 MHz, 16 objects with density flux peaked near 1 GHz were identified. The sample is intended to provide candidates for the less common type of radio source which might differ in several radio properties from normal compact radio sources, whose radio spectra appear broadly to be flat or steep. Thirteen new GPS candidates are listed.

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