Low-frequency flux density variations of QSO 2345-167

Details Low-frequency flux density variations of QSO 2345-167 Low-frequency flux density variations of QSO 2345-167

Apr 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.203..317m&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 203, Apr. 1983, p. 317-322.

Astronomy and Astrophysics

Astronomy

5

Extragalactic Radio Sources, Quasars, Radiant Flux Density, Very Long Base Interferometry, Brightness Temperature, Dynamic Stability, Frequency Stability, Optical Thickness, Polarization Characteristics, Ultrahigh Frequencies

Scientific paper

The QSO 2345-167 is found to be an active low-frequency variable with a flux density at 408 MHz that increased from 1.6 to 2.8 Jy between 1968 and 1978. The slow, steady increase over along period is unusual among sources having large relative changes. The QSO is an optically violent variable and also a highly polarized QSO with a compact radio size unresolved by VLBI. A large optical flare in 1969 may be associated with the low-frequency variation.

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