A fast-scan extragalactic source survey at 4.755 GHz. I - Source list and radio spectra

Details A fast-scan extragalactic source survey at 4.755 GHz. I - Source list and radio spectra A fast-scan extragalactic source survey at 4.755 GHz. I - Source list and radio spectra

Jan 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983aj.....88....1o&link_type=abstract

Astronomical Journal, vol. 88, Jan. 1983, p. 1-15. l. 88, Jan. 1983, p. 1-15.

Astronomy and Astrophysics

Astronomy

32

Extragalactic Radio Sources, Radio Astronomy, Flux Density, Radio Telescopes, Spectral Energy Distribution, Tables (Data)

Scientific paper

A survey of extragalactic radio sources made using driven declination scans is reported covering an area of about 0.07 sr to a limiting flux density of 35 mJy. The fast-scan survey was carried out at a galactic latitude greater than 17 deg with the NRAO 91-m telescope operating at 4.755 GHz, and the 480 sources detected were reobserved at 1.4 GHz with the National Astronomy and Ionosphere Center 305-m telescope at Arecibo. The survey list, source counts and spectral index distribution are presented, and it is noted that the results confirm previous reports of a monotonic decline in the fraction of flat-spectrum sources with decreasing flux density.

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