展览
发表于 2025-3-23 12:24:34
Broad iron lines in AGN and X-ray binaries,led analysis of these objects shows that the emission line is not significantly affected by absorption and that the source variability is principally due to variation in amplitude of a power-law. Underlying this is a much less variable, relativistically-smeared, reflection-dominated, component which
微尘
发表于 2025-3-23 15:42:39
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一个搅动不安
发表于 2025-3-23 19:01:49
Rapid X-ray variability of Seyfert 1 Galaxies,e powered by a supermassive black hole fed from an accretion disc. However, since . there has been little opportunity to advance our understanding of the most rapid X-ray variability. Observations with . have changed this..We discuss some recent results obtained from . observations of Seyfert 1 gala
Ceremony
发表于 2025-3-23 22:55:57
Epicyclic frequencies derived from the effective potential: Simple and practical formulae, spacetimes. Such spacetimes include as special cases analytically known black hole Kerr and Schwarzschild spacetimes, as well as the analytic Hartle-Thorne spacetime and all numerically constructed spacetimes relevant for rotating neutron stars. Our derivation follows directly from energy and angul
去才蔑视
发表于 2025-3-24 05:44:52
X-ray periodicity in AGN,ed from long EUVE light curves of moderate-luminosity Seyfert galaxies; the fourth was discovered in Chandra data from the low-luminosity Seyfert 1 galaxy NGC 4395. When compared with Cyg X-1, I find that the period is related to the luminosity as . ∝ .. rather than the expected one-to-one relations
巨大没有
发表于 2025-3-24 08:11:36
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buoyant
发表于 2025-3-24 11:47:04
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Concerto
发表于 2025-3-24 17:59:49
X-ray and radio monitoring of GX 339-4 and CYG X-1,y agrees with the IR flux level. Corbel and Fender later showed that the typical hard state radio power-law extrapolated forward in energy meets the backward extrapolated X-ray power-law at an IR spectral break, which was explicitly observed twice in GX 339-4. This has been ci
Scleroderma
发表于 2025-3-24 20:56:21
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Baffle
发表于 2025-3-25 01:55:47
Springer Science+Business Media B.V. 2005