Statistical investigation of compact emitting regions in extragalactic radio sources

Details Statistical investigation of compact emitting regions in extragalactic radio sources Statistical investigation of compact emitting regions in extragalactic radio sources

Feb 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978natur.271..636a&link_type=abstract

Nature, vol. 271, Feb. 16, 1978, p. 636-638.

Astronomy and Astrophysics

Astronomy

3

Extragalactic Radio Sources, Radiant Flux Density, Statistical Analysis, Astronomical Catalogs, Astronomical Models, Frequency Distribution, Luminous Intensity, Radio Interferometers, Red Shift

Scientific paper

Radio interferometers sensitive to structures with an angular scale of less than 1 arc/s were used to investigate the frequency of occurrence of compact emitting regions within radio sources of high total luminosity. The frequency of occurrence of such structures varies as a result of flux density. Drift and tracking observations were made at 408 MHz of 713 and 385 sources, respectively. A summary of the results is presented, including: measurements of median flux density, range of flux density, number of sources, and an astronomical catalog reference. Attention is given to linear size evolution in conjunction with red shift.

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