Spectral index and depolarization asymmetry in powerful radio sources

Details Spectral index and depolarization asymmetry in powerful radio sources Spectral index and depolarization asymmetry in powerful radio sources

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.249..343l&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 249, March 15, 1991, p. 343-351.

Astronomy and Astrophysics

Astronomy

61

Quasars, Radio Sources (Astronomy), Radio Spectra, Spectral Correlation, Astronomical Models, Depolarization, Doppler Effect, Very Large Array (Vla)

Scientific paper

In a sample of high-luminosity 3C radio sources, a strong correlation between spectral index and depolarization has been found: the lobe which is less depolarized has the flatter spectrum in 12 out of 13 cases. This result is compared with that of Garrington et al. and Laing (1988), who found that the less-depolarized lobe is associated with the presence of a jet on the same side of the nucleus. No obvious physical mechanism seems to account naturally for both phenomena.

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