Influence of accretion-disk models on the structure of the Iron Κα line

Details Influence of accretion-disk models on the structure of the Iron Κα line Influence of accretion-disk models on the structure of the Iron Κα line

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003arep...47..733z&link_type=abstract

Astronomy Reports, vol. 47, Issue 9, p.733-739

Astronomy and Astrophysics

Astronomy

13

Scientific paper

Broad iron Κα emission with a characteristic two-peaked profile is observed in most Seyfert galaxies in the X-ray. We have calculated the profiles of such lines emitted by an accretion disk in a Schwartzschild metric. The dependence of the temperature distribution in the disk on the line shape is demonstrated. All the calculations include general relativistic effects. The disk material is assumed to move in circular geodesics in the equatorial plane. The line profile is extremely complex, even in a traditional model for the radial temperature distribution, complicating interpretation of the observational data.

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