X-ray spectra of narrow-line seyfert 1 galaxies in comparison with galactic black holes

Mio M. Murashima, Aya Kubota, Kazuo Makishima

研究成果: Article査読

抄録

In order to study the origin of the soft excess of Narrow-Line Seyfert1 Galaxies, 7 objects observed with XMM-Newton are analyzed. The soft excess is found to have mildly convex shape, which is successfully reproduced by a power-law with an exponential cutoff. It can be interpreted as disk Comptonization by cool and relatively optically thick plasma based on an analogy with Galactic black holes under high accretion rates.

本文言語English
ページ(範囲)389-390
ページ数2
ジャーナルProgress of Theoretical Physics Supplement
155
DOI
出版ステータスPublished - 2004 1 1
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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