10.4k citations
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Showing 2014 · astro-ph.HEShow all
2 papers · 2 filters
astro-ph.HE2014★ 247 cited
A fast and long-lived outflow from the supermassive black hole in NGC 5548
J. S. Kaastra, G. A. Kriss, M. Cappi +31
Supermassive black holes in the nuclei of active galaxies expel large amounts of matter through powerful winds of ionized gas. The archetypal active galaxy NGC 5548 has been studie…
astro-ph.HE2014★ 59 cited
A Hard X-Ray Power-Law Spectral Cutoff in Centaurus X-4
Deepto Chakrabarty, John A. Tomsick, Brian W. Grefenstette +17
The low-mass X-ray binary Cen X-4 is the brightest and closest (<1.2 kpc) quiescent neutron star transient. Previous 0.5-10 keV X-ray observations of Cen X-4 in quiescence identifi…