SIMBAD references

1999A&A...350..805G - Astronomy and Astrophysics, volume 350, 805-815 (1999/10-3)

New bright soft X-ray selected ROSAT AGN. II. Optical emission line properties.

GRUPE D., BEUERMANN K., MANNHEIM K. and THOMAS H.-C.

Abstract (from CDS):

We present the emission line properties of a sample of 76 bright soft X-ray selected ROSAT Active Galactic Nuclei. All optical counterparts are Seyfert 1 galaxies with rather narrow permitted lines, strong optical FeII line blends, and weak forbidden lines. By selection, they also have steep soft X-ray spectra when compared with typical Seyfert 1 galaxies. We discuss possible origins of these peculiar trends employing detailed correlation analyses, including a Principal Component Analysis. The optical spectra are presented in the Appendix.

Abstract Copyright:

Journal keyword(s): accretion, accretion disks - galaxies: active - galaxies: nuclei - galaxies: Seyfert - galaxies: quasars: general

VizieR on-line data: <Available at CDS (J/A+A/350/805): object.dat fits/* ps/*>

Simbad objects: 76

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