The X-ray spectrum of NGC 1068

Details The X-ray spectrum of NGC 1068 The X-ray spectrum of NGC 1068

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...315l..17m&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 315, April 1, 1987, p. L17-L21.

Astronomy and Astrophysics

Astrophysics

35

Seyfert Galaxies, X Ray Sources, X Ray Spectra, Continuous Spectra, Electron Scattering, Galactic Nuclei, Ultraviolet Spectra

Scientific paper

The first X-ray spectrum of a classical Seyfert 2 galaxy, NGC 1068, measured by the Einstein Observatory, is presented. The small soft X-ray luminosity of about 9 x 10 to the 41st ergs/s, the lack of variability, and the Compton temperature of less than 10 to the 6th K are all consistent with the model of Antonucci and Miller (1985); these authors have suggested that NGC 1068 contains a hidden Seyfert 1 nucleus seen indirectly through the electron scattering. However, the steep spectral slope (alpha = 2.0 + or - 0.3) distinguishes the NGC 1068 from the vast majority of Seyfert 1 galaxies.

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