Is There a Disc in the Superluminal Quasars?

Details Is There a Disc in the Superluminal Quasars? Is There a Disc in the Superluminal Quasars?

2003-01-21

arxiv.org/abs/astro-ph/0301405v1

Astronomy and Astrophysics

Astrophysics

18 pages with 6 figures, accepted for publication in MNRAS

Scientific paper

10.1046/j.1365-8711.2003.06414.x

We present a new evidence of the accretion disc in active galactic nuclei, by examining the properties of the Ha emission line versus viewing angle, in a sample of superluminal (SL) quasars. Both line velocity width (FWHM) and rest equivalent width (EW) correlate with viewing angle. These correlations are quantitatively consistent with a disc geometry for both the line and the underlying continuum source.

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