High-resolution observations of quasars from the Parkes + or - 4 deg sample

Details High-resolution observations of quasars from the Parkes + or - 4 deg sample High-resolution observations of quasars from the Parkes + or - 4 deg sample

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.188..159b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 188, July 1979, p. 159-163.

Astronomy and Astrophysics

Astronomy

3

Microwave Spectra, Quasars, Radio Spectra, Spectral Resolution, Astronomical Spectroscopy, Centimeter Waves, Doppler Effect, Graphs (Charts), Histograms, Radio Astronomy, Tables (Data)

Scientific paper

VLBI observations of 20 compact quasars have been made between Jodrell Bank and Onsala at a frequency of 1666 MHz. Twelve of the quasars have inverted or peaked spectra at centimetre wavelengths and these are all unresolved, having angular diameters of less than 0.015 arcsec. Two out of five quasars with overall flat spectra are partially resolved on this scale size, as are three steep-spectrum quasars.

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