[PDF] Top 20 Unveiling the Structure of Active Galactic Nuclei with Hard X ray Spectroscopy

... present X-ray spectral analyses for three Seyfert 2 active galactic nuclei, NGC 424, NGC 1320, and IC 2560, observed by NuSTAR in the 3–79 keV ...ity hard X-ray ... See full document

... Finally, as there is always one more step to go in research, I will give a brief outlook on present and future projects I am involved in. 8.1 A summary of our results The red line of this work has undoubtly been “angular ... See full document

... observations have been used: th e others are too short to provide a useful num ber of pairs for cross correlation. T h e results of th e cross correlation analysis are shown in Figure 6.11 T he error bars are 6 8 % as ... See full document

... broadband X-ray spectral analysis of the M51 system, including the dual active galactic nuclei (AGNs) and several off-nuclear point ...latest X-ray torus models, we ... See full document

... the X- rays and for flatter Γ, the high number of hard X-ray photons could overionize the gas and making it lose ...the X-ray and UV observations probe different line of sight ... See full document

... in Galactic black hole binary (BHB) systems, namely the ‘hard’ state (low/hard state), ‘thermal state’ (high/soft state) and ‘very high’ state (SPL-steep power law state), with quasi periodic ... See full document

... Thus far I have primarily dealt with continuum emission in the standard model of AGNs. However, since the earliest observations (e.g., see Section 1.1.2), luminous emis- sion lines have been appreciated as an important ... See full document

... several X-ray telescopes (Suzaku, XMM-Newton and NuSTAR); I will do this primarily through the use of radiative transfer models (Sim et ...the structure and variability of the disk winds in these ... See full document

... NLS1 galaxies show a large dispersion in their soft (0.1–2.4 keV ) and hard X-ray (2–10 keV ) photon indices than the BLS1 gal- axies with larger H
FWHM ( Boller et al. 1996; Brandt et al. 1997). ... See full document

... the hard X-ray image, where it is expected to be located the nucleus of the galaxy, with the pixel with the highest flux in the optical image that re- semble the ...the hard ... See full document

... samples in wide ranges of luminosity and redshift (e.g. Almaini et al. 2000; Manners et al. 2002; Paolillo et al. 2004). Our study presents the first ensemble analysis based on the structure func- tion. This is to ... See full document

... Given the possible Compton-thin origin of the neutral Fe line that we see in NGC 4579, we also fit the spectrum with the MYTorus model (Murphy & Yaqoob 2009; Yaqoob 2012 ). This model includes the reprocessed continuum ... See full document

... outer structure of FR-I sources and the proton model to the structure of FR-II ...extended structure similar to that of FR-II sources (Antonucci et ... See full document

... the hard spectrum of the CXB using different assumptions about obscuration, the Compton-thick sample, and the spectra shape of AGN in the hard X-ray band ( see Figure 5 ) ...with hard ... See full document

... strong X-ray variability and weaker UV variability of this sample are comparable to other samples of low-z active galactic nuclei, and are neither caused by the high fraction of ... See full document

... identical hard- and soft-band power spectra in disagreement with the ...the hard and soft energy bands, and the small radii over which the relativistically smeared reflection is produced allowing too much ... See full document

... the hard spectrum of the CXB using different assumptions about obscuration, the Compton-thick sample, and the spectra shape of AGN in the hard X-ray band (see Figure 5 ...AGNswith hard ... See full document

... rest, implying, to the degree we can test with our small sample size, potentially violently triggered SMBHs have accretion rates that are similar to those fueled by other processes. At higher redshifts (z ∼ 2), AGNs and ... See full document

... Theoretical insight suggests that this mix evolves with redshift in the low and moderate luminosity AGN population (Hopkins et al. 2014b). We consider a scenario where AGN triggering is not directly linked to processes ... See full document

... in X-ray flux of the E X O S A T sample over the Stephens ...The X-ray fluxes for the EXOSAT sample have been calculated using the same spectral param eters as those for the E IN S T E ... See full document