The nuclear torus in the active galaxy NGC 1068.

Details The nuclear torus in the active galaxy NGC 1068. The nuclear torus in the active galaxy NGC 1068.

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996mnras.283l...1y&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. Vol. 283, No. 1, p. L1 - L5

Astronomy and Astrophysics

Astronomy

38

Polarization -- Scattering -- Galaxies: Individual: Ngc 1068 -- Galaxies: Seyfert -- Infrared: Galaxies, Seyfert Galaxies: Infrared Images, Seyfert Galaxies: Infrared Polarization, Active Galactic Nuclei: Infrared Polarization, Active Galactic Nuclei: Structure, Active Galactic Nuclei: Interstellar Dust

Scientific paper

We present near-infrared polarized images of the active galaxy NGC 1068. At these wavelengths, the counter-cone is observed in scattered light. At H (1.64 μm) we detect an absorption band across the counter-cone, which we interpret as absorption owing to the postulated torus. From a geometrical analysis we calculate that the torus is at a position angle of 32°±3° on the plane of the sky, at an inclination to the line of sight (defined with respect to the polar axis) of 42°±4°, with a physical diameter greater than 200 pc. These figures are consistent with those derived from our models for the scattering of nuclear radiation and for the far-infrared emission from the torus.

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