The Hidden Disk Emission in the Single Peaked Sy1 Balmer Emission Lines

Details The Hidden Disk Emission in the Single Peaked Sy1 Balmer Emission Lines The Hidden Disk Emission in the Single Peaked Sy1 Balmer Emission Lines

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..938...59b&link_type=abstract

SPECTRAL LINE SHAPES IN ASTROPHYSICS: VI Serbian Conference on Spectral Line Shapes in Astrophysics (VI SCSLSA). AIP Conference

Astronomy and Astrophysics

Astrophysics

Galactic Nuclei, Circumnuclear Matter, And Bulges, Infall, Accretion, And Accretion Disks

Scientific paper

In order to investigate hidden disk emission in the single peaked Broad Emission Lines (BEL) we simulated profiles with simplified model consisted of two components: accretion disk and surrounding spherical region with isotropic velocities of clouds. Then, we measured full widths at 10%, 20% and 30% of the maximum intensity and normalized them to the full width at half maximum (FWHM). We compared these measurements for simulated and observed profiles, of a sample of 25 Seyfert 1, Hα and Hβ emission lines, from SDSS database. We found that for these kind of broad single peaked emission profiles, the disk may be present. In this case the inclination of the disk should be i<20°.

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