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Structure and Dynamics of Stellar Winds in High-mass X-ray Binaries
M. Sako, S. M. Kahn, F. Paerels +4
A review of spectroscopic results obtained from Chandra High Energy Transmission Grating Spectrometer and XMM-Newton Reflection Grating Spectrometer observations of several wind-fe…
Detection of a Fully-resolved Compton Shoulder of the Iron K-alpha Line in the Chandra X-ray Spectrum of GX 301-2
Shin Watanabe, Masao Sako, Manabu Ishida +7
We report the detection of a fully-resolved, Compton-scattered emission line in the X-ray spectrum of the massive binary GX 301-2 obtained with the High Energy Transmission Grating…
A Long Look at NGC 3783 with the XMM-Newton Reflection Grating Spectrometers
Ehud Behar, Andrew P. Rasmussen, Alexander J. Blustin +5
A long 280 ks observation of the Seyfert 1 galaxy NGC 3783 with XMM-Newton is reported. We focus on the oxygen line complex between 17 and 24 A as measured with the RGS spectromete…
Chandra LETGS and XMM-Newton observations of NGC 4593
K. C. Steenbrugge, J. S. Kaastra, A. J. Blustin +6
In this paper, we analyze spectra of the Seyfert 1 galaxy NGC 4593 obtained with the Chandra Low Energy Transmission Grating Spectrometer (LETGS), the Reflection Grating Spectromet…
CNO Line Radiation and the X-ray Bowen Fluorescence Mechanism in Optically-Thick, Highly-Ionized Media
Masao Sako
Radiative transfer effects due to overlapping X-ray lines in a high-temperature, optically-thick, highly-ionized medium are investigated. One particular example, where the O VIII L…