52 citations · 157 across the 8 of their papers we have counts for
5 papers · 1 filter
Origin of the Broad Iron Line Feature and the Soft X-ray Variation in Seyfert Galaxies
Naoki Iso, Ken Ebisawa, Hiroaki Sameshima +4
Many Seyfert galaxies are known to exhibit significant X-ray spectral variations and seemingly broad iron K-emission line features. In this paper, we show that the "variable partia…
A Variable Partial Covering Model for the Seyfert 1 Galaxy MCG-6-30-15
Takehiro Miyakawa, Ken Ebisawa, Hajime Inoue
We propose a simple spectral model for the Seyfert 1 Galaxy MCG-6-30-15 that can explain most of the 1 - 40 keV spectral variation by change of the partial covering fraction, simil…
On the light-bending model of X-ray variability of MCG-6-30-15
P. T. Zycki, K. Ebisawa, A. Niedzwiecki +1
We apply the light bending model of X-ray variability to Suzaku data of the Seyfert 1 galaxy MCG-6-30-15. We analyze the energy dependence of the root mean square (rms) variability…
Spectral Variation of the Seyfert 1 Galaxy MCG-6-30-15 observed with Suzaku
Takehiro Miyakawa, Ken Ebisawa, Yuichi Terashima +3
We have investigated spectral variation of the Seyfert 1 galaxy MCG-6-30-15 observed with Suzaku in January 2006 for three separate periods spreading over fourteen days. We found t…
GR models of the X-ray spectral variability of MCG--6-30-15
A. Niedzwiecki, T. Miyakawa
We study in detail the GR models of the X-ray spectral variability for various geometries of the X-ray source and with various relativistic effects being the dominant cause of spec…