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Heating and cooling in the Perseus cluster core
A. C. Fabian, J. S. Sanders
It is well known that the radiative cooling time of the hot X-ray emitting gas in the cores of most clusters of galaxies is less than 10^10 yr. In many clusters the gas temperature…
Bulk Comptonization spectra in blazars
Annalisa Celotti, Gabriele Ghisellini, Andrew C. Fabian
We study the time dependent spectra produced via the bulk Compton process by a cold, relativistic shell of plasma moving (and accelerating) along the jet of a blazar, scattering on…
Hard X-ray emission from the core of the Perseus cluster and the thermal content of the radio bubbles
J. S. Sanders, A. C. Fabian
We use a very deep 900 ks Chandra X-ray observation of the core of the Perseus cluster to measure and confirm the hard X-ray emission detected from a previous analysis. By fitting…
Suzaku discovery of iron absorption lines in outburst spectra of the X-ray transient 4U 1630-472
Aya Kubota, Tadayasu Dotani, Jean Cottam +12
We present the results of six Suzaku observations of the recurrent black hole transient 4U1630-472 during its decline from outburst from February 8 to March 23 in 2006. All observa…
Revealing the High Energy Emission from the Obscured Seyfert Galaxy MCG -5-23-16 with Suzaku
James N. Reeves, Hisamitsu Awaki, Gulab C. Dewangan +19
We report on a 100 ks Suzaku observation of the bright, nearby (z=0.008486) Seyfert 1.9 galaxy MCG -5-23-16. The broad-band (0.4-100 keV) X-ray spectrum allows us to determine the…
Suzaku Observations of the Centaurus Cluster: Absence of Bulk Motions in the Intracluster Medium
Naomi Ota, Yasushi Fukazawa, Andrew C. Fabian +13
The Centaurus cluster (z=0.0104) was observed with the X-ray Imaging Spectrometer (XIS) onboard the Suzaku X-ray satellite in three pointings, one centered on the cluster core and…