Astronomy and Astrophysics – Astronomy
Scientific paper
May 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aj....107.1829c&link_type=abstract
The Astronomical Journal, vol. 107, no. 5, p. 1829-1833
Astronomy and Astrophysics
Astronomy
44
Brightness Distribution, Declination, Mapping, Radio Astronomy, Sky Surveys (Astronomy), Circular Polarization, Data Integration, Data Reduction, Radio Telescopes
Scientific paper
The National Radio Astronomy Observatory (NRAO) seven-beam receiver was used on the 91 m telescope in Green Bank, WV during 1986 November to survey the declination band 0 deg less than delta less than +75 deg at 4.85 GHz. We made sky maps from the 1986 data alone, primarily for comparison with the epoch 1987 maps (Condon et al., (1989)) to allow variability studies of a large, unbiased sample of sources selected at 4.85 GHz. The 1986 and 1987 data sets were combined, reedited, and mapped to yield maps fully covering the Omega = 6.07 sr region 0 deg less than delta less than +75 deg with noise and position uncertainties divided by nearly square root of two. The 1986 and combined (1986+1987) maps are available on Flexible Image Transport System (FITS)-format tapes.
Broderick John J.
Condon James J.
Douglas K.
Gregory Philip C.
Seielstad George A.
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