X-ray spectral resolution
High time resolution optical/X-ray cross-correlations for X-ray binaries: anticorrelations and rapid variability
... Reprocessing has also been demonstrated through the technique of Doppler Tomography for individual spectral lines. The known period of the binary orbit is used to find the phase and velocity amplitude of emission ...
10
High spatial/spectral resolution x-ray observations and volumetric 3d modeling of superheated plasma in the planetary nebula BD+30◦3639
... The construction of 3D images based on all of the observed data represents a key means to investigate the origin and processes governing the shaping, and to re- cover essential information such as the intrinsic density ...
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High time resolution optical/X ray cross correlations for X ray binaries : anticorrelations and rapid variability
... from spectral fits), and assumed all to contribute to reprocessing, and the magnitudes are corrected for reddening, which is an additional source of ...Cyg X-2 would one expect reprocessing to be a ...
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An apodized-aperture x-ray detector design for improved image quality in mammography
... reducing spectral aliasing without simply suppressing content at frequencies where aliasing may ...occur. Spectral aliasing can be the primary cause of DQE degradation at high frequencies for Se-based ...
227
Material Identification and Quantification in Spectral X-ray Micro-CT.
... The X-ray tubes used in these types of applications emit photons over a range of energies, which are fo- cused on the object under ...incident X-ray spectrum was reduced to a single ...
214
Searching for outflows in ultraluminous X-ray sources through high-resolution X-ray spectroscopy
... NGC 5204 X-1 is naturally the best source to start with. Our simulations show that a few hundred additional ks of XMM–Newton data should be sufficient to describe the observed spectral features to very high ...
18
Solar flare X ray source motion as a response to electron spectral hardening
... Spatially-integrated spectra were produced over the duration of the flare, using the same time intervals as those chosen for the imaging. Detector 4 on RHESSI was used due to its high spectral resolution of ...
8
Advanced Nanoscale Characterization of Cement Based Materials Using X-Ray Synchrotron Radiation: A Review
... soft X-ray microscopy, hard X-ray microtomography, and neu- tron diffraction—have been reviewed previously (Monteiro et ...synchrotron X-ray based techniques are presented in ...
16
The LOFT mission: new perspectives in the research field of (accreting) compact objects
... For X-ray Timing, is one of five ESA M3 candidate ...of X- ray photons with CCD-quality spectral resolution (15 times bigger in area than any previously flown X-ray ...
12
Spectral properties of x-ray selected narrow emission line galaxies
... A nother possibility, explored by Eracleous, Livio & B inette (1995a) is th a t all LINERs m ay be photoionized from a nuclear source, b u t th e central ionizing source is in an ’off’ state ~ 80% of the tim e. T he ...
378
X-ray studies of ultraluminous X-ray sources
... Eddington rates (again if they host sMBHs) and their spectra are predominantly two component in form, i.e. HUL or SUL. According to the super-Eddington accretion model described in Section 1.5.1, the balance between the ...
273
Laser-wakefield accelerators for high-resolution X-ray imaging of complex microstructures
... betatron X-rays from LWFA can be competitive with conventional synchro- tron sources for the characterization of eutectic alloys and solid density ...betatron X-rays were of comparable sharpness and spatial ...
13
X-Ray Crystallographic Structure of the Norwalk Virus Protease at 1.5-Å Resolution
... metric unit. However, when crystallographic symmetry opera- tions were applied, a distinct tail-to-tail dimer, formed using a crystallographic twofold symmetry, was repeated throughout crystal (Fig. 3A). The total buried ...
9
Daily multiwavelength Swift monitoring of the neutron star low-mass X-ray binary Cen X-4: evidence for accretion and reprocessing during quiescence
... producing X-ray ...brighter X-ray emission from an NS, because its surface is heated by the flow, compared to a BH which instead advects matter and ...quiescent X-ray luminosity ...
19
A deep XMM-Newton serendipitous survey of a middle-latitude area
... In the soft energy band, the logN –logS distribution of our sources is well above the high–latitude upper limit, expecially at low X–ray fluxes. Even if the galactic column density repre- sents an ...
8
Cosmic particle acceleration by shocks and turbulence in merging galaxy clusters
... As with other low-frequency observations, the data were contaminated by emission from strong radio sources dozens of degrees away from the tar- get. This contamination is predominately from several A-team sources: ...
177
Laser-wakefield accelerators for high-resolution X-ray imaging of complex microstructures
... geometric resolution limits and both satisfy the criteria for fringe detection (see ...spatial resolution for these conditions and is able to resolve micrometer-scale lamellar ...for resolution loss ...
14
The X-ray spectral properties of the AGN population in the XMM-Newton bright serendipitous survey
... common spectral shape: a power law shape at high energies that drops around ∼2-3 keV and an additional soft ...intriguing X-ray spectral shape (a very steep photon index and large amount of ...
42
Unsupervised spectral classification of astronomical x-ray sources based on independent component analysis
... of X-ray imaging spectra from the PN event ...the spectral S/N ratio, we used a circle of 30 arcsecond radius as the smallest extraction region to generate source ...future spectral fitting ...
170
X-ray Absorption Fine Structure and X-ray Excited Optical Luminescence Studies of Gallium Nitride - Zinc Oxide Solid Solution Nanostructures
... by X-ray absorption spectroscopy makes it an excellent method for studying the composition and electronic structure of complex systems such as GZNO solid ...Hard X-ray spectroscopy was ...
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