The hard X-ray detector
CdTe Focal Plane Detector for Hard X-Ray Focusing Optics
... NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), which is an orbiting HXR telescope, has opened up the field of HXR astrophysics with discoveries ranging from asymmetrical explosion of supernova through detailed ...
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NuSTAR Hard X-ray Survey of the Galactic Center Region I: Hard X-ray Morphology and Spectroscopy of the Diffuse Emission
... Figure 8. NuSTAR 20-40 keV trial map overlaid with three known X-ray filaments (green polygons). The polygons roughly traces the 2-8 keV morphologies of the filaments determined with Chandra. The image ...
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NuSTAR Hard X-ray Survey of the Galactic Center Region I: Hard X-ray Morphology and Spectroscopy of the Diffuse Emission
... Figure 8. NuSTAR 20-40 keV trial map overlaid with three known X-ray filaments (green polygons). The polygons roughly traces the 2-8 keV morphologies of the filaments determined with Chandra. The image ...
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Hard X-ray emission from the Galactic ridge
... the detector count rate can be considered as inde- pendent of observation orientation and can be estimated from observations at high Galactic ...the detector count rate can be almost perfectly predicted ...
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The Swift/BAT Hard X-ray Transient Monitor
... using the FITS World Coordinate System convention. The image contains the reconstructed distribution of point sources plus background within the BAT field of view. This coded mask deconvolution technique also produces, ...
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How To Make Hard Xray Pixel Detectors For Hard X-Ray Astrophysics
... CZT detector anode pattern showing a few pixel geometry of the two diagonal corners of entire 32x32 pixels ...the detector is moderately cooled to ~0 o ...each X-ray inside CZT ...
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Dedicated polarimeter design for hard x-ray and soft gamma-ray astronomy
... One detector, the scattering detector, provides the medium for the Compton interaction to take ...this detector is designed to maximize the probability of there being a single Compton interaction ...
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X-Ray Study of Soft and Hard Magnetic Thin Films
... rotating-anode x-ray generator and a flat crystal diffracted-beam graphite monochromator were used to collect diffraction ...the detector was scanned along either the easy or the hard axis for ...
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A hard X-ray polarimeter designed for transient astrophysical sources
... In order to accurately measure the azimuthal modulation (and hence the polarization parameters), we need to correct for geo- metric effects specific to the individual detector design. When the azimuthal modulation ...
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Relations between concurrent hard X-ray sources in solar flares
... termination of the trustworthy energy intervals for the fitting (indicated by the dashed lines in Fig. 2). The influences of the source delimitation and detector se- lection have been studied extensively. For the ...
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Hard x ray observations of the extragalactic sky: the High Energy Focusing Telescope and the Serendipitous Extragalactic X ray Source Identification survey
... high-sensitivity, hard x-ray telescope would allow us to study obscured x-ray sources out to the Compton-thick ...High-sensitivity, hard x-ray observations of the ...
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A Hard X-Ray Study of the Normal Star-forming Galaxy M83 with NuSTAR
... apparent in all of the observations. However, stray light can be estimated using the location of those bright sources and the observed roll angle. We used the nustar_stray_light 19 procedure to estimate the affected ...
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Development of Hard X ray Imaging Detectors for the High Energy Focusing Telescope
... from pure Poisson statistics. However, apart from the abrupt features described above, the variation in count rates does not show any distinct spatial dependence. Rather, high- and low-rate pixels are both fairly evenly ...
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Self Consistent Calibration of Detectors and Sources for Hard and Soft X Ray Diagnostics
... Usually X-ray tubes and imaging detectors are not absolutely calibrated by the ...absolute X-ray radia- tion flux emitted from a source as function of energy is ...spectroscopic ...
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Prospects of the Hard X Ray Instrument POLAR to Measure Polarization of Solar Flares
... whole detector systems. Special care was taken for a proper description of the light transport in the plastic scin- tillator bars. The assumptions utilized both the results of experimental tests of the reflecting ...
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Applications of hard X-ray photoelectron spectroscopy in\ud semiconductor materials characterisation
... 2.1.10 System Used The XPS UHV system used in these experiments is shown in figure 2.10 and con- sists of a three chamber system with in-situ deposition techniques and resistive heating up to 600 ◦ C. There is a load ...
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Hard x-ray polarimeter for gamma-ray bursts and solar flares
... structures even in large flares 29 give support to the possibility that a statistically significant polarization signal could be produced in a large event. 1.3. Experimental Status To date, the use of polarimetry in ...
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NuSTAR hard x-ray survey of the galactic center region I: hard x-ray morphology and spectroscopy of the diffuse emission.
... ∼200 ks exposure will be required to perform useful spectral and timing analyses of this filament. 5.4. Heterogeneous Origin of Non-thermal X-Ray Filaments? Two of the three hard X-ray ...
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Infrared identification of hard X-ray sources in the Galaxy
... the X-ray flux from the EPIC-pn count rate in the 2–12 keV band using a certain count rate to ...the X-ray emission mechanism, and the Galactic ...the X-ray model and N H value ...
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NuSTAR hard X-ray survey of the Galactic Center region. II. X-ray point sources.
... stacked X-ray spectra of many sources do not have suf ficient photon counts to put meaningful constraints on the spectral parameters through model ...NuSTAR X-ray spectrum with high ...
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