IUE observations of the highly luminous Seyfert galaxy ESO 113-IG 45 (Fairall 9)

Details IUE observations of the highly luminous Seyfert galaxy ESO 113-IG 45 (Fairall 9) IUE observations of the highly luminous Seyfert galaxy ESO 113-IG 45 (Fairall 9)

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.218..541m&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 218, Feb. 1, 1986, p. 541-550. SERC-supported research.

Astronomy and Astrophysics

Astronomy

7

Luminosity, Satellite Observation, Seyfert Galaxies, Spaceborne Astronomy, Ultraviolet Astronomy, Accretion Disks, Black Body Radiation, Iue, Radiant Flux Density, Spectral Energy Distribution, Spectrum Analysis

Scientific paper

Ultraviolet variations of the continuum in ESO 113-IG45 with a doubling time of 50 days indicate a maximum size of 1×1017cm to the emitting region. Power law and blackbody fits to the continuum are both possible. The power-law fit is preferred because of the observed correlation between flux and spectral index which is similar to that found in other Seyferts. The rapid variability is hard to explain with an accretion disc since the variation time-scale is faster than the orbit time in disc models.

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