Study of X-ray Weakness among Luminous Narrow-line Quasars

Details Study of X-ray Weakness among Luminous Narrow-line Quasars Study of X-ray Weakness among Luminous Narrow-line Quasars

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xmm..prop..246m&link_type=abstract

XMM-Newton Proposal ID #04067404

Physics

Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, Fbqs J075800.0+, Fbqs J083535.8+, Rx J1225.7+2055, H 1137-127, Xmm-Newton Proposal 04067404

Scientific paper

The unusual properties of Narrow-line Seyfert 1 galaxies (NLS1s) are thought to result from a higher accretion rate relative to Eddington than broad-line Seyferts. Luminous NLS1s should have the highest accretion rates of all. With our recent study, several X-ray weak objects were found, and it is suggested that X-ray weakness may occur more frequently among more luminous regime. To investigate the nature of X-ray weak objects, we propose XMM-Newton observations of five optically-luminous X-ray--weak NLS1s.

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