X-ray pulsar
The X-ray pulsar 2A 1822-371 as a super-Eddington source
... low-mass X-ray binary (LMXB) with a 0.59 s accreting X-ray pulsar (Jonker & van der Klis ...the X-rays produced by the neutron ...
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Phase resolved spectroscopy of the accreting millisecond X ray pulsar SAX J1808 4 3658 during the 2008 outburst
... We have presented phase-resolved spectroscopy of the accret- ing millisecond X-ray pulsar SAX J1808.4−3658, and detected a compact feature in the Doppler map of the Bowen complex. Although the S / N ...
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Chandra observations of the millisecond X ray pulsar IGR J00291+5934 in quiescence
... Aql X– 1 and Cen X–4 also vary during and between observa- ...Aql X–1, it is not possible to distinguish between intrin- sic source variability in the soft blackbody component and correlated ...
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The Optical Counterpart to the Accreting Millisecond X-Ray Pulsar SAX J1748.9-2021 in the Globular Cluster NGC 6440
... the isochrone we can also infer that the expected B magnitude of the object in quiescence should be B 25.7 . This value is 3 mag fainter than that measured by Verbunt et al. ( 2000 ) during the 1998 outburst. Such a ...
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Cyclotron emission, absorption, and the two faces of X-ray pulsar A 0535+262
... for X Persei is based on idea first suggested by Nelson et ...of X Persei is well described with a broad component rather than a comparatively nar- row line with a sharp cutoff above the cyclotron energy ...
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Observations of the 599 Hz accreting X ray pulsar IGR J00291+5934 during the 2004 outburst and in quiescence
... mass X-ray binaries during outburst: the power spectra showed broad-band flat-top noise with very low break frequencies ...the X-ray spectrum showed clear evidence of X-ray ...
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High-speed, multicolour optical photometry of the anomalous X-ray pulsar 4U 0142+61 with ULTRACAM
... What other observational evidence is there to support the mag- netar model of AXPs? Belief in the magnetar model rests partly on the failure of the accretion model to explain the faintness of the optical/infrared ...
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Multiwavelength characterization of the accreting millisecond X ray pulsar and ultracompact binary IGR J17062 6143
... Spectra were reduced using the IRAF - GEMINI package. The flux calibration of each spectrum was executed using observations of a standard star, also taken as part of the program and the errors propagated through the ...
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Dramatic spectral transition of X-ray pulsar GX 304-1 in low luminous state
... at the NS surface heated up by the accretion process. How- ever, the origin of the second component, which can also be fitted by a blackbody with the temperature kT ≈ 9 keV or a broad Gaussian emission line (see Table 1) ...
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XMM Newton observation of the anomalous X ray pulsar 4U 0142+61
... Subsequent X-ray observations manifested features usually at- tributed to AXPs such as a spectrum which is best fit by a ...the X-ray source and also resulted in a further improvement of the ...
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An evolving jet from a strongly magnetized accreting X ray pulsar
... the X-ray peak (Figure 2), when the neutron star was accreting above the theoretical Eddington ...the X-ray flux, while the radio spectral index ⍺ (where the flux density S ν ∝ ν ⍺ ) gradually ...
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Optical and X-ray studies of HEAO-1 X-ray sources
... Galactic X-ray sources with Be stars was first suggested by Maraschi, Treves and van den Heuvel (1976) when they identified 4 such ...hard X-ray sources (>3 keV), and half of them exhibit ...
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Relative Velocity Measurement with Spectrometer and Its Integrated Navigation
... Keywords: Navigation; Velocity measurement; X-ray pulsar; Mars explorer; Formation flight.. 29.[r] ...
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Results from Multi Technique Investigation of Pottery from Different Early Neolithic Sites in Albania
... different X-ray techniques EDXRF (Energy Dispersive X-ray Fluorescence), Micro-XRF (Micro X-ray fluorescence), XRD (X-ray diffraction), Optical Microscopy together ...
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Simultaneous Chandra and VLA Observations of the Transitional Millisecond Pulsar PSR J1023+0038: Anti-correlated X-Ray and Radio Variability
... simultaneous X-ray/radio data presented here provide valuable new pieces of information on PSR J1023+0038 and, by extension, the tMSP ...of X-ray and radio flux in the high and low modes: the ...
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X-ray Absorption Fine Structure and X-ray Excited Optical Luminescence Studies of Gallium Nitride - Zinc Oxide Solid Solution Nanostructures
... investigated by Chen et al. using in situ XRD and ex situ XRD and XAFS [44]. Under ambient conditions distinct (100) and (101) diffraction peaks were observed for a 1:1 mixture of ZnO and GaN respectively. When the ...
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... Any of these effects if not checked is liable to cause failure during service. Thus the need to Finite element method to predict the expected residual stresses. The finite element method (FEM) is a computational ...
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X Ray specs
... and X-Ray specs – they were all coded with perverse ...order X-Ray Specs came bitterly to learn, Röntgen’s x rays were not involved in this ...remember X-Ray Spex, with ...
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Structure, site specific magnetism, and magnetotransport properties of epitaxial D022 structure Mn2FexGa thin films
... exchange coupling between the first- and second-nearest Mn neighbors [29]. Our experimental observations suggest that similar situation is likely to happen in MFG, even in the presence of the additional magnetic Fe ...
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X- RAY DIFFRACTION
... Experiments were performed on the I12 JEEP (Joint Engineering, Environmental and Processing) beamline at Diamond Light Source (DLS, Oxford, UK) using monochromatic X-rays of wavelength λ = 0.233Å (53 keV), with ...
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