Search for short-term variability in nonthermal radio sources

Details Search for short-term variability in nonthermal radio sources Search for short-term variability in nonthermal radio sources

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87..532a&link_type=abstract

Astronomical Journal, vol. 87, Mar. 1982, p. 532-536. Research supported by the Financiadora de Estudos e Projetos.

Astronomy and Astrophysics

Astronomy

13

Millimeter Waves, Nonthermal Radiation, Radio Sources (Astronomy), Variability, Galactic Nuclei, Jupiter (Planet), Milky Way Galaxy, Quasars, Radiant Flux Density, Radio Galaxies

Scientific paper

A long series of 22-GHz daily observations (24 days) of the radio sources 3C 273, Cen A, Sgr A, and OV -236 was carried out in July 1980. None of these sources presented any short-term variability larger than the accuracy of the measurements (about 10 percent). Cen A presented the highest flux level in relation to the past seven years, and it decreased consistently during the period of observation at a rate of 0.2 plus or minus 0.02 Jy/day. The flux density of OV -236 increased in the same period at a rate of 0.1 plus or minus 0.02 Jy/day.

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