Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-09-20
Mon.Not.Roy.Astron.Soc. 321 (2001) 369
Astronomy and Astrophysics
Astrophysics
accepted for publication in MNRAS
Scientific paper
10.1046/j.1365-8711.2001.04021.x
The low frequency radio luminosity is believed to be an indicator of jet power, while the optical/UV emission is probably from accretion discs in the nuclei of steep-spectrum radio quasars. We present a correlation between the ratio of radio to optical luminosities and the continuum spectral index in blue/UV bands, which might indicate that the continuum shape in blue/UV bands is related to the ratio of jet to accretion power. The results may imply that the spectra and structure of accretion discs are probably affected by the interactions between jets and discs.
Cao Xinwu
Gu Minfeng
Jiang Dong Rong
Xu Yadong
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