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[PDF] Top 20 ISGRI: the INTEGRAL Soft Gamma-Ray Imager

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ISGRI: the INTEGRAL Soft Gamma-Ray Imager

ISGRI: the INTEGRAL Soft Gamma-Ray Imager

... of the main requirements for the INTEGRAL imager IBIS (Ubertini et ...reason, the IBIS detection unit uses two gamma cameras, ISGRI covering the range from 15 keV ... Voir le document complet

9

A study of Gamma-Ray Bursts and Soft Gamma Repeaters Detected with the INTEGRAL Burst Alert System

A study of Gamma-Ray Bursts and Soft Gamma Repeaters Detected with the INTEGRAL Burst Alert System

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ... Voir le document complet

229

Contribution of point sources to the soft gamma-ray Galactic emission

Contribution of point sources to the soft gamma-ray Galactic emission

... emission; INTEGRAL; IBIS/ISGRI. 1. INTRODUCTION The interstellar emission is known to be mostly due to diffuse processes (that is interaction of cosmic rays with the interstellar medium) above ... Voir le document complet

7

A survey for gamma-ray emission from OB associations with INTEGRAL: some preliminary results

A survey for gamma-ray emission from OB associations with INTEGRAL: some preliminary results

... 2: ISGRI significance map of the Car OB 1 region (20 – 40 keV), produced with OSA ...3: ISGRI significance map of the Cas OB 6 region (20 – 40 keV), produced with OSA ...results The ... Voir le document complet

4

What can Simbol-X do for gamma-ray binaries?

What can Simbol-X do for gamma-ray binaries?

... in the hard X-ray sky is to look at the unidentified sources of the INTEGRAL (IBIS/ISGRI) survey ...of the sources detected are unidentified [14] and this fraction will ... Voir le document complet

5

In flight calibration of the ISGRI camera

In flight calibration of the ISGRI camera

... Conclusion ISGRI is the first large CdTe gamma-ray imager used in or- bit, and despite a few unexpected features like zero rise time events, it performs very well with only ...pixels. ... Voir le document complet

7

Particle Effects on the ISGRI Instrument On-Board the INTEGRAL Satellite

Particle Effects on the ISGRI Instrument On-Board the INTEGRAL Satellite

... HE INTEGRAL (INTErnational Gamma-Ray Astrophysics Laboratory) satellite is an ESA (European Space Agency) gamma-ray observatory successfully launched from Baïkonour on October 17, ...to ... Voir le document complet

9

VSI: the VLTI spectro-imager

VSI: the VLTI spectro-imager

... here the 4 main scientific cases: • Formation of stars and planets. The early evolution of stars and the initial conditions for planet formation are determined by the interplay between ... Voir le document complet

12

CHANDRA OBSERVATIONS OF SN 1987A: THE SOFT X-RAY LIGHT CURVE REVISITED

CHANDRA OBSERVATIONS OF SN 1987A: THE SOFT X-RAY LIGHT CURVE REVISITED

... for the Chandra PSF) of SN 1987A at all epochs utilized in this study, proceeding from upper left to lower ...right. The image scaling is linear and the brightness scales with the ...in ... Voir le document complet

8

Integral ($n$,$\gamma$) Cross-sections Measurement of Standard Light Water Reactors Materials

Integral ($n$,$\gamma$) Cross-sections Measurement of Standard Light Water Reactors Materials

... trough the calibration curve. The ratio of the efficiencies and its uncertainties are directly computed to take into account this ...(for gamma peaks very close in energy to the 411.8 ... Voir le document complet

13

Critical-angle transmission grating spectrometer for high-resolution soft x-ray spectroscopy on the International X-ray Observatory

Critical-angle transmission grating spectrometer for high-resolution soft x-ray spectroscopy on the International X-ray Observatory

... to the above optical design into the model. The arrays consisted of flat 60 × 60 mm 2 facets, arranged in two juxtaposed 30 ◦ ...represent the dominant grating related error term as a relative ... Voir le document complet

12

High-energy gamma-ray emission in compact binaries

High-energy gamma-ray emission in compact binaries

... from the free pulsar wind seems un- avoidable. Inverse Compton losses in the free wind may be re- duced if the shock occurs very close to the neutron ...produce the ob- served emission. ... Voir le document complet

311

ASTROBIOLOGICAL EFFECTS OF GAMMA-RAY BURSTS IN THE MILKY WAY GALAXY

ASTROBIOLOGICAL EFFECTS OF GAMMA-RAY BURSTS IN THE MILKY WAY GALAXY

... use the mass normalization in Model 1, which would reduce the present- day GRB rate in Model ...modeled the bulge, and that this stellar population will decrease the overall propensity for ... Voir le document complet

13

The planet formation imager

The planet formation imager

... phenomena. The presence of spirals, multiple rings, and even more complex structures of dust and gas serve surely to reveal key details of the planet formation ...reach the sub- au spatial scales ... Voir le document complet

12

The design of whispering gallery mirrors for soft x-ray lasers

The design of whispering gallery mirrors for soft x-ray lasers

... Scattering losses, size of the incident angle, and skin depths were calculated to estimate the requirements to build a whispering gallery mirror for light source w[r] ... Voir le document complet

111

Evaluation of the Steam Generator clogging phenomena kinetics by $\gamma$-Ray counting

Evaluation of the Steam Generator clogging phenomena kinetics by $\gamma$-Ray counting

... is the ability to measure the evolution of activity in each ...analyze the deposit formation mechanisms. For example, the outer lobes are not submitted to the same heat flux as ... Voir le document complet

22

Soft X-ray emission in kink-unstable coronal loops

Soft X-ray emission in kink-unstable coronal loops

... estimated the properties of the thermal X-ray emission here as a post-processing step, which means that the associ- ated energy losses are not self-consistently accounted for in the MHD ... Voir le document complet

17

One-dimensional pair cascade emission in gamma-ray binaries

One-dimensional pair cascade emission in gamma-ray binaries

... along the orbit in LS 5039, yet form a more weakly modulated background in the light-curve on account of the cas- cade radiation redistribution at other ...phases. The strength and structure ... Voir le document complet

9

Dark matter, shared asymmetries, and galactic gamma ray signals

Dark matter, shared asymmetries, and galactic gamma ray signals

... Introduction The existence of dark matter (DM) has been confirmed through many independent studies, and we now know that this non-baryonic matter comprises around a fifth of the energy density of the ... Voir le document complet

36

Sparse-view X-ray CT reconstruction with Gamma regularization

Sparse-view X-ray CT reconstruction with Gamma regularization

... Reducing the number of projections is another ...this, the original inverse problem becomes more and more ...instance the Filtered Back Projection (FBP) reconstruction ...improve the image ... Voir le document complet

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