The role of UV bump in line emission

Details The role of UV bump in line emission The role of UV bump in line emission

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aipc..254..212z&link_type=abstract

In: Testing the AGN paradigm; Proceedings of the 2nd Annual Topical Astrophysics Conference, Univ. of Maryland, College Park, Oc

Astronomy and Astrophysics

Astrophysics

2

Black Body Radiation, Luminosity, Lyman Alpha Radiation, Seyfert Galaxies, Ultraviolet Emission, Continuous Radiation, Iue, Line Spectra

Scientific paper

It is suggested that the UV bump which the low-ionization lines of the Seyfert galaxy Fairall 9 follow has a shape more complicated than a simple blackbody curve and has a rather steep drop around 30 eV. The degree of luminosity dependence of the equivalent width of Ly-alpha, semiforbidden Si IV, and C IV is inversely correlated with an individual emission line's ionization level. This explains why only the C IV equivalent width exhibits a significant luminosity dependence (the Baldwin effect).

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