Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974natur.249..743g&link_type=abstract
Nature, vol. 249, June 21, 1974, p. 743-746.
Astronomy and Astrophysics
Astronomy
17
Microwave Spectra, Quasars, Radiant Flux Density, Radio Astronomy, Red Shift, Radio Interferometers, Radio Telescopes
Scientific paper
Radio spectra are reported for the highly redshifted quasars OH471 and OQ172. Flux densities for both objects are tabulated, and involve more than 120 measurements at many epochs from 1963 to 1974 at 25 different frequencies between 16.7 MHz and 85.3 GHz. Observations made from 9 observatories are described, and it is noted that both objects have peaks at or near 1.4 GHz and 85 GHz, as well as low-frequency cutoffs.
Andrew Bryan H.
Blake Geoffrey
Braude Ia. S.
Bridle Alan H.
Gearhart Mirjana R.
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