[PDF] Top 20 WR 138: new results from X-ray and optical spectroscopy
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WR 138: new results from X-ray and optical spectroscopy
... the X-ray fluxes in three spec- tral bands: soft ...keV), and hard ...observed X-ray fluxes is the same as for the count rates, and chose the oldest ROSAT observation as the ... Voir le document complet
10
Testing the theory of colliding winds: the periastron passage of 9 Sagittarii. I. X-ray and optical spectroscopy
... the results of optical and X-ray spectroscopy of 9 Sgr gathered around its most recent periastron ...Our optical spectra have enabled us to refine the orbital solution ... Voir le document complet
14
Molecular environment of iodine in naturally iodinated humic substances: Insight from X-ray absorption spectroscopy
... spectroscopic results of iodine speciation Extrapolation of the result from XPS and XAS analysis to natural organic matter in soils and aquifers might be hampered by two possible ...columns, ... Voir le document complet
17
New highlights of phytolith structure and occluded carbon location: 3-D X-ray microscopy and NanoSIMS results
... C and δ 13 C signatures respectively as a dating tool (Piperno and Becker, 1996; Piperno and Stothert, 2003; McMichael et ...2012) and a paleoenviron- mental proxy (Kelly et al., 1991; Smith ... Voir le document complet
12
A search for X-ray sources around WR 22 in the Carina region
... hard X-ray emission which escapes the highly obscured regions (see Walter 1992 ; Kamata et ...Indeed, X-ray emission from low-mass pms stars is now a well established phenomenon ... Voir le document complet
19
X-Ray Spectroscopy with XMM: A New Powerful Tool to Determine Fundamental Parameters of Early-type Stars
... 1. X-ray emission from early-type stars Early-type stars of spectral-type O and Wolf-Rayet play a crucial role in the evolution of most of the galaxies and their study has impact beyond ... Voir le document complet
6
Optical and X-ray early follow-up of ANTARES neutrino alerts
... trinos from two luminous bursts GRB110918A, GRB130427A and one typical burst GRB081008 can be estimated: see [ 48 ] for details on the calculation ...presented results use the predicted neutrino ... Voir le document complet
27
Iron (III)-silica interactions in aqueous solution: Insights from X-ray absorption fine structure spectroscopy
... Acquisition and Data Reduction XAFS spectra (including the X-ray absorption near edge structure region or XANES, and the extended X-ray absorption fine structure region or EXAFS) ... Voir le document complet
16
AXSIS: Exploring the frontiers in attosecond X-ray science, imaging and spectroscopy
... t X-ray crystallography is one of the main methods to determine atomic-resolution 3D images of the whole spectrum of molecules ranging from small inorganic clusters to large protein complexes ... Voir le document complet
7
Obscured sources and Supergiant Fast X-ray Transients: new classes of high mass X-ray binaries
... A new type of high-energy binary systems has been revealed by the INTEGRAL ...multi-wavelength optical, near- and mid-infrared ...fast X-ray transients, with IGR J17544-2619 being the ... Voir le document complet
8
A Coordinated X-Ray and Optical Campaign of the Nearest Massive Eclipsing Binary, δ Orionis Aa. II. X-Ray Variability
... CMPR, and KH are grateful for support provided by the National Aeronautics and Space Administration through Chandra Award Number GO3-14015A, G03-14015E, and GO3-14015G issued by the Chandra ... Voir le document complet
36
Isolated Nanoparticles' Surfaces and Interfaces Probed by Soft X-ray Photoelectron Spectroscopy
... Physics and Nuclear Engineering, Măgurele, ...changes and surprising quantum phenomena appear when single atom properties evolve to the collective electronic properties of infinite ...also from the ... Voir le document complet
2
Critical-angle transmission grating spectrometer for high-resolution soft x-ray spectroscopy on the International X-ray Observatory
... High-resolution spectroscopy at energies below 1 keV covers the lines of C, N, O, Ne and Fe ions, and is central to studies of the Interstellar Medium, the Warm Hot Intergalactic Medium, warm ... Voir le document complet
12
Characterization of mechanical and optical properties of x-ray mask membranes
... Membranes were analyzed for uniformity in stress, Young's modulus, burst strength, optical transparency, thickness, index of refraction, and light scattering.. In.[r] ... Voir le document complet
53
X-Ray Absorption Spectroscopy and Anomalous Wide Angle X-Ray Scattering: Two Basic Tools in the Analysis of Heterogeneous Catalysts
... The new approach allows experiments at the K edge of light elements ...[92] and/or at the L edges of 3d transition metals [93, ...(3d and 4d transition metals), whereas very fine structures are ... Voir le document complet
18
Fabric of leda clay investigated by optical, electron- optical, and x-ray diffraction methods
... This publication could be one of several versions: author’s original, accepted manuscript or the publisher’s version. / La version de cette publication peut être l’une des suivantes : la version prépublication de ... Voir le document complet
25
A COORDINATED X-RAY AND OPTICAL CAMPAIGN OF THE NEAREST MASSIVE ECLIPSING BINARY, δ ORIONIS Aa. II. X-RAY VARIABILITY
... Aeronautics and Space Administration through Chandra Award Number GO3-14015A, G03-14015E, and GO3- 14015G issued by the Chandra X-ray Observatory Center, which is operated by the Smithsonian ... Voir le document complet
22
X-Ray Emission from Magnetic Massive Stars
... these results notably because, even in these cases, the fitting was good in the ...probably results from nonsolar abundances and/or un- realistically small error bars (that do not account for ... Voir le document complet
31
Magnetic spectral response and lattice properties in mixed-valence Sm1-x Yx S solid solutions studied with x-ray diffraction, x-ray absorption spectroscopy, and inelastic neutron scattering
... modes, and a comparable change in their general behav- ior; ii) the transfer of part of the total intensity from the higher to the lower excitation; iii) an increase in the av- erage splitting between the ... Voir le document complet
15
Surface Chemical Structure of Isolated Aerosols by X-ray Photoelectron Spectroscopy
... Surface Chemical Structure of Isolated Aerosols by X-ray Photoelectron Spectroscopy O. Sublemontier 1 , S. Benkoula 2 , D. Aureau 3 , C. Nicolas 2 , M. Patanen 2 , H. Kintz 1 , X. Liu 2 , ... Voir le document complet
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