High-resolution observations of radio-source hot spots at 329 MHz

Details High-resolution observations of radio-source hot spots at 329 MHz High-resolution observations of radio-source hot spots at 329 MHz

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aj.....89.1799l&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 89, Dec. 1984, p. 1799-1801. NASA-sponsored research.

Astronomy and Astrophysics

Astronomy

3

High Resolution, Luminous Intensity, Radio Astronomy, Radio Sources (Astronomy), Ultrahigh Frequencies, Very Long Base Interferometry, Brightness Distribution, Data Reduction, Radiant Flux Density, Red Shift

Scientific paper

The hot spots of several luminous double radio sources have been observed at 329 MHz with very long baseline interferometry at fringe spacings ranging from 0.05arcsec to 0.70arcsec. The authors detected two out of two high-redshift (z ≡ 0.5) sources, but only one of six low-redshift (z ≡ 0.05) sources. For the low-redshift source (3C 234) which was detected, either the hot spot is larger at 329 MHz than at 15 GHz, or else the brightness contrast between it and the surrounding lobe is lower at the lower frequency.

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