Christine de Pizan et son époque.

Bouchet, Florence

doi:10.4000/peme.6397

Cited by 1 publication

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“…To start such study with SPI we model its emission distribution with several template maps with various latitude and longitude extensions, as well as different contrasts (defined as the ratio of the flux enclosed in the region |l| < 150 • , |b| < 15 • to the total flux), in order to determine the most appropriate one. The main characteristics of these templates and the data analysis methodology are detailed in [16]. Due to its weakness, the 60 Fe line emission has been detected clearly from our Galaxy with only two instruments, RHESSI [13] and SPI [14,15], with a deduced 60 Fe/ 26 Al ratio of ∼ 0.15.…”

Section: Pos(integral 2012)105mentioning

confidence: 99%

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Measures of the components of the Galactic diffuse emission with INTEGRAL/SPI

Bouchet¹

2013

Proceedings of an INTEGRAL View of the High-Energy Sky (The First 10 Years) - 9th INTEGRAL Workshop and Celebration of the 10t

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The hard X-ray/soft gamma-ray emission of the Galaxy consists of several components, linked to specific physical processes or sources populations. We use the SPI spectrometer aboard the INTEGRAL observatory to disentangle the spatial morphology and the spectral shape of these various contributions. Based on 6 years of data, we have measured a detailed ridge spectrum and constrained the spatial distribution of the emission from 20 keV to 2.5 MeV. The diffuse continuum spectrum and its spatial distribution are in relatively good agreement with predictions from GALPROP models. In a second complementary step, the flux of the 511 keV positron annihilation line, the ortho-positronium continuum, the 26 Al and the 60 Fe lines have been measured with improved precision. Their spatial distributions as well as other characteristics (positronium fraction, 26 Al/ 60 Fe ratio,...) have been estimated and compared with theoretical expectations. An INTEGRAL view of the high-energy sky (the first 10 years) -9th INTEGRAL Workshop and celebration of the 10th anniversary of the launch 15-

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