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Joint γ-Ray/Optical Early-Time Data

GRB 090727 and Gamma-Ray Bursts with Early-Time Optical Emission

GRB 090727 and Gamma-Ray Bursts with Early-Time Optical Emission

... which optical emission was detected during the prompt gamma-ray emission by the 2-m autonomous robotic Liverpool Telescope and sub- sequently monitored for a further two days with the Liverpool and Faulkes ...

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Exceptionally bright optical emission from a rare and distant γ ray burst

Exceptionally bright optical emission from a rare and distant γ ray burst

... this joint X-ray/optical modelling we were able to better constrain the parameters of the RS component: t 0,RS ∼ 35s, F 0,RS ν ∼ ...the optical data corrected for the Galactic ...

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Gamma-Ray Burst Early Optical Afterglow Modelling

Gamma-Ray Burst Early Optical Afterglow Modelling

... numerical time steps we calculate the energy emitted over a given lab time and deposit this across the equivalent observer time and accumulate the flux in this manner for every shocked mesh (see ...

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Time-resolved X-ray and Optical Studies of Metalloproteins and Iridium Complexes

Time-resolved X-ray and Optical Studies of Metalloproteins and Iridium Complexes

... single shot data accordingly. The error of the measurement is the standard deviation of the single shots from the average signal. 2.2.2.2 X‐ray Detectors and Amplifiers The detectors used for this kind of ...

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Total prompt γ-ray emission in fission

Total prompt γ-ray emission in fission

... and data analysis The measurements of the prompt J emission in the neutron-induced fission of 235 U and 239,241 Pu as well as the spontaneous fission in 252 Cf were performed at the Lujan Center of ...the ...

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GRB 120711A: an intense INTEGRAL burst with long-lasting soft            γ-ray          emission and a powerful optical flash

GRB 120711A: an intense INTEGRAL burst with long-lasting soft γ-ray emission and a powerful optical flash

... Fermi data, where the absorption is no longer relevant, a single power-law model was ...where data from more than one instru- ment are available, the spectral results are shown independently for each ...the ...

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High time resolution optical/X-ray cross-correlations for X-ray binaries: anticorrelations and rapid variability

High time resolution optical/X-ray cross-correlations for X-ray binaries: anticorrelations and rapid variability

... In Figs 1–4 we present a selection of the CCFs calculated for our sample of objects, energies and epochs. The style of observation and the analysis have been conducted in a homogeneous manner. We extract a few trends ...

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High time resolution optical/X ray cross correlations for X ray binaries : anticorrelations and rapid variability

High time resolution optical/X ray cross correlations for X ray binaries : anticorrelations and rapid variability

... in a homogeneous manner. We extract a few trends that are apparent in the data. First we present typical CCFs for each source, then look at the trends with X-ray and optical en- ergies, and finally ...

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Very Early Optical Afterglows of Gamma-Ray Bursts: Evidence for Relative Paucity of Detection

Very Early Optical Afterglows of Gamma-Ray Bursts: Evidence for Relative Paucity of Detection

... of optical emission points to 25% of the bursts in our sample being extincted by Galactic dust, while 25% are obscured by circum- burst absorption (which is consistent with the 20% proposed by Jakobsson et ...

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The origin of the early-time optical emission of Swift GRB 080310

The origin of the early-time optical emission of Swift GRB 080310

... last data points, and those at the tran- sition between the prompt and the afterglow phase in the X-ray ...of optical points being the largest constraint on the afterglow parameters, particularly the ...

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Optical & X-ray Studies of Ultraluminous X-ray Sources

Optical & X-ray Studies of Ultraluminous X-ray Sources

... 4.5 Summary Multiple observations of the interacting galaxies NGC 4485 & 4490 have afforded us the opportunity to study its large ULX population, and in particular to see how their emission evolves over time. We ...

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Combining X-ray and optical/NIR data to study GRBs and their host galaxies

Combining X-ray and optical/NIR data to study GRBs and their host galaxies

... and optical observations of the prompt phase of GRB ...ground-based data obtained with the ROTSE-IIIa optical ...the optical to gamma-ray SED for a total of seven epochs, the first ...

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Fully automated joint space width measurement and digital X ray radiogrammetry in early RA

Fully automated joint space width measurement and digital X ray radiogrammetry in early RA

... Furthermore, the MCP joints 2 and 3 have a stronger relationship to RA than the PIP joints, which are more prone to be affected by OA. In addition, the PIP joints are also more complicated as they have a bicompartmental ...

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X-Ray Crystallography as an Optical Technique

X-Ray Crystallography as an Optical Technique

... the early days can be found in Ewald’s “Fifty Years of X-Ray Diffraction” ...this time, Ewald’s thesis (winter of 1911-1912) dealt with calculation of the effects of a crystal on refraction of ...

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γ Ray Modifications of Optical/Chemical Properties of Polycarbonate Polymer

γ Ray Modifications of Optical/Chemical Properties of Polycarbonate Polymer

... undergo large plastic deformations. The light transmission characteristics of polycarbonate are even better than many kinds of glasses. It has characteristics quite like those of polymethylmethacrylate (PMMA, acrylic), ...

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Feasibility study on real-time γ-ray spectrum / dose measurement system

Feasibility study on real-time γ-ray spectrum / dose measurement system

... Abstract. Recently, medical applications of radiation have been widely spread. However, exposure of medical staffs is sometimes not focused on because treatment of patients is the first priority. It is thus important to ...

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Imaging γ-ray s at the NIF

Imaging γ-ray s at the NIF

... § Scoping activities have taken place and initial indications are that imaging carbon is viable on layered shots with DT yields in the low 10 15 ’s.. § A concept for implementation[r] ...

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Algorithms for digital γ-ray spectroscopy

Algorithms for digital γ-ray spectroscopy

... E-mail: [email protected] Received: 7 November 2012 Accepted: 8 May 2013 Abstract. The data processing in modern nuclear spectroscopy is dominated by digital methods. In this paper we pres- ent a full set ...

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A Way to Realize Controlled Nuclear Fusion by γ Laser or γ Ray

A Way to Realize Controlled Nuclear Fusion by γ Laser or γ Ray

... Technology γ -ray and ordinary laser with their certain frequencies and large enough intensities to irradiate a target ...absorbing γ -photons will be in a certain excited ...

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Time-resolved x-ray spectroscopy of optical-field-ionized plasmas

Time-resolved x-ray spectroscopy of optical-field-ionized plasmas

... The time-resolved emission in the direction of the laser beam consists of a short spike at the odd harmonics of the laser radiation, the duration ofwhich is given by the l[r] ...

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