Direct measurement of the jet geometry in Seyfert galaxies

Abstract

We demonstrate that, by combining optical, radio and X-ray observations of a Seyfert, it is possible to provide a direct measurement of the angle $\beta$ between the direction of the radio jet and the normal to the plane of the spiral host galaxy. To do so, we make the assumptions that the inner radio jet is perpendicular to the X-ray observed inner accretion disk, and that the observed jet (or the stronger component, if the jet is two-sided) is physically closer to Earth than the plane of the galaxy. We draw attention to the possibility of measurement producing a result which is not self-consistent, in which case for that galaxy, one of the assumptions must fail.

11 pages, 1 figure, accepted for publication in The Astrophysical Journal Letters

References in corpus (3)

• The properties of the relativistic iron K-line in NGC 3516
• Sub-Relativistic Radio Jets and Parsec-Scale Absorption in Two Seyfert Galaxies
• Broad Band X-Ray Observations of the Narrow Line X-Ray Galaxy NGC 5506

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• Using Megamaser Disks to Probe Black Hole Accretion
• Magnetic interaction of jets and molecular clouds in NGC 4258
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• Accretion disk versus jet orientation in H${}_2$O megamaser galaxies
• Outflows, Inflows and Young Stars in the inner 200 pc of the Seyfert galaxy NGC 2110
• Low-frequency radio observations of Seyfert galaxies: A test to the unification scheme
• VLA High Resolution 1.4 and 8.4 GHz Mapping of the Barred Galaxy NGC 3367
• CO in the Bipolar-Radio-Continuum Galaxy NGC 3367