Radio structure of the Seyfert galaxy Markarian 509

Details Radio structure of the Seyfert galaxy Markarian 509 Radio structure of the Seyfert galaxy Markarian 509

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...264..489s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 264, no. 2, p. 489-492.

Astronomy and Astrophysics

Astronomy

11

Galactic Structure, Markarian Galaxies, Radio Emission, Seyfert Galaxies, Continuous Radiation, X Ray Astronomy

Scientific paper

Detailed radio observations of Mkn 509, a Seyfert type I galaxy, have revealed an extended radio feature at 6 and 20 cm at a position angle of -65 deg and pointing toward the northwest. It is remarkably well-aligned with the direction of polarized H-alpha emission, a disk of low-ionization narrow-line region and polarized optical to IR continuum indicating that both scattering and synchrotron radiation contribute to the polarized emission. A faint linear structure at 6 cm (length about 2 kpc), almost parallel to the minor axis of the galaxy is tentatively identified as a 'jet' and needs to be confirmed with higher resolution observations. The 'jet' extends into the narrow-line region and can easily be confined by the narrow-line gas. A plausible geometry of the emission regions is presented.

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