The Ultraviolet and Soft X-ray Excess of
Soft X-ray absorption excess in gamma-ray burst afterglow spectra: Absorption by turbulent ISM
... the soft X-ray absorption for GRBs to estimate and explain the total X-ray absorbing column densi- ties that produce this ...of excess compatible with observations only for a ...
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X-ray and optical studies of soft x-ray transients in M31
... This Chapter started with a theoretical discussion of the expected light curve behavior, and followed with the observational data (obtained from Chandra, XMM-Newton and Swift) for com- parison. The transients used in the ...
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X-RAY AND ULTRAVIOLET STUDIES ON POLLEN TUBE CHROMOSOMES. I. THE EFFECT OF ULTRAVIOLET (2537 Å) ON X-RAY-INDUCED CHROMOSOMAL ABERRATIONS
... The data presented show that, within limits, pre- or post-treatment with short-wave ultraviolet leads to a reduction in the number of chromosome breaks realized from [r] ...
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On the x-ray outbursts of transient anomalous x-ray pulsars and soft gamma-ray repeaters
... the X-ray outburst light curves of four transient anomalous X-ray pulsars (AXPs) and soft gamma-ray repeaters (SGRs), namely, XTE J1810−197, SGR 0501+4516, SGR 1627−41, and CXOU ...
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ULTRAVIOLET AND X-RAY INDUCED CHROMOSOMAL ABERRATIONS IN WHEAT
... It is a reasonable assumption that when two chromosomes are broken, transloca- tion will as frequently bring the two centric pieces together (asymmetrical exchange) as it will un[r] ...
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IONIZATION OF HYDROGEN BY TWO-COLOR PULSES IN THE X-RAY AND SOFT X-RAY DOMAINS
... The SCS ionization rates increase as ω 1 − ω 2 decreases, they vary by several orders of magnitude over the energy range of ω 2 . The SCS ionization rates display a good agreement with perturbation theory predictions. In ...
First Terrestrial Soft X-ray Auroral Observation by The Chandra X-ray Observatory
... the X-ray ...the X-ray production to be very ...predicted X-ray bremsstrahlung, we conclude that the double exponential fit can be used to represent the electron measurements ...
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Resonant Soft X Ray Inelastic Scattering and Soft X Ray Emission Study of the Electronic Structure of alpha MoO3
... The k-selective spectra collected in geometries A and B are particularly well resolved as compared to the other ori- entations. This difference entails both the narrow width of the features themselves, and strong ...
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Detection of Glass in Soft Tissue by X-ray
... should be visible on a properly exposed and positioned radiograph. By varying the position and obliquity of the part to be x-rayed, the glass fragment may be thrown free of overly- ing s[r] ...
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Discovery of a soft x-ray lag in the ultraluminous x-ray source NGC 1313 X-1.
... Ultraluminous X-ray sources (ULXs) provide a unique opportunity to probe the geometry and energetics of super-Eddington ...1313 X-1 from a recent XMM–Newton ...and soft (0.3–2 keV) bands on ...
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Discovery of a soft X-ray lag in the ultraluminous X-ray source NGC 1313 X-1
... second soft lag in the ULX NGC 1313 X-1. While the origin of soft lags in ULXs is not well-understood, the covariance spectrum suggests that this is due mostly to processes in the hotter component, ...
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Correlated X ray/ultraviolet/optical variability in NGC 6814
... the X-ray and lower energy ...central X-ray emitting region and areas further out on the accretion ...which X-ray photons heat the disc and are reprocessed into lower energy ...
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A COMPARISON OF X-RAY AND ULTRAVIOLET EFFECTS ON CHROMOSOMES OF ZEA MAYS
... A second type of alteration which did not occur among the bronze plants from the ultraviolet treated series, but did occur in the X-ray treated series of chromosome 9, is the d[r] ...
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Atomic data for astrophysics : Fe X soft x-ray lines
... 5. Summary and conclusions We have presented the first complete calculations for n = 4 , 5 , 6 levels in Fe x. The calculation of accurate atomic data for the n = 4 levels has turned out to be quite complex and ...
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Atomic data for astrophysics : Fe X soft x-ray lines
... Similar discrepancies between Malinovsky et al. ( 1980 ) and our results are present for the other lines in the same transi- tion array. The differences between our results and Malinovsky et al. ( 1980 ) in the ...
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Al0.52In0.48P avalanche photodiodes for soft X-ray spectroscopy
... Gomes et al. have reported a GaAs/Al 0.8 Ga 0.2 As Separate Absorption and Multiplication re- gion Avalanche Photodiode (SAM-APD) with a resolution of 1.08 keV when exposed to 55 Fe source [5]. The effect of avalanche ...
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On the outbursts of black hole soft x-ray transients
... be X-ray irra- diation dominated, the optical rise during the secondary maxi- mum is expected to occur due to either an increase in the cen- tral X-ray luminosity or a change in the outer disk ...
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Multiwavelength studies of ultra-soft X-ray AGN
... of X-rays in the softest range of the Einstein IPC detector, ...observed soft X-ray excess and the relatively low velocity of the line-em itting m aterial in the line of ...strong ...
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Soft x-ray microscopy with seven nanometer resolution
... demonstrate X-ray microscopy with structural resolution well below 10 ...as soft X- ray ...Employing X-ray microscopy combines high sensitivity and direct, ...
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Search for thermal X-ray features from the Crab nebula with the Hitomi soft X-ray spectrometer
... the X-rays, imaging searches were performed for the plasma emission from the shell in the Crab outskirts to set a stringent upper limit to the X-ray emitting ...the X-ray ...
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