The Electron-scattering Region in Seyfert Nuclei | Zendy

Yoshiaki Taniguchi | Zendy; Naohisa Anabuki | Zendy

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The Electron-scattering Region in Seyfert Nuclei

Author(s) -

Yoshiaki Taniguchi,

Naohisa Anabuki

Publication year - 1999

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/312201

Subject(s) - radius , scattering , electron , physics , electron scattering , line (geometry) , atomic physics , astrophysics , nuclear physics , optics , geometry , mathematics , computer security , computer science

The electron scattering region (ESR) is one of important ingredients inSeyfert nuclei because it makes possible to observe the hidden broad lineregion (hereafter HBLR) in some type 2 Seyfert nuclei (hereafter S2s). However,little is known about its physical and geometrical properties. Using the numberratio of S2s with and without HBLR, we investigate statistically where the ESRis in Seyfert nuclei. Our analysis suggests that the ESR is located at radiusbetween $\sim$ 0.01 pc and $\sim$ 0.1 pc from the central engine. We alsodiscuss a possible origin of the ESR briefly.Comment: 5 pages and 1 figure. The Astrophysical Journal (Letters), in pres

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