ISOPHOT Observations of Narrow-Line Seyfert 1 Galaxies

Details ISOPHOT Observations of Narrow-Line Seyfert 1 Galaxies ISOPHOT Observations of Narrow-Line Seyfert 1 Galaxies

2000-05-08

arxiv.org/abs/astro-ph/0005152v1

New Astron.Rev. 44 (2000) 551-553

Astronomy and Astrophysics

Astrophysics

Contributed talk presented at the Joint MPE,AIP,ESO workshop on NLS1s, Bad Honnef, Dec. 1999, to appear in New Astronomy Revie

Scientific paper

10.1016/S1387-6473(00)00097-X

Broad infrared spectra (7-200 micrometer) of four NLS1 galaxies, obtained with the imaging photo-polarimeter (ISOPHOT) on board the Infrared Space Observatory (ISO), are presented. The infrared luminosities and temperatures, opacities and sizes of the emitting dust components are derived. A comparison between the observed infrared spectra and the optical emission line fluxes of a sample of 16 NLS1 galaxies suggests that these objects suffer different degrees of dust absorption according to the inclination of the line of sight with respect to the dust distribution.

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