Présidents de session
X-ray observations
- Régis Terrier (APC)
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DIDIER BARRET (IRAP)15/09/2021 09:00
Athena is the second large mission of the Cosmic Vision science program of the European Space Agency. Dedicated to the study of the Hot and Energetic Universe, Athena will carry a large aperture X-ray telescope, and two complementary focal plane instruments: the Wide Field Imager (WFI) and the X-ray Integral Field Unit (X-IFU). In this talk, I will briefly recall the prime scientific...
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Dr Natalie Webb (IRAP)15/09/2021 09:25
The large European Space Agency (ESA) X-ray observatory, XMM-Newton, has been observing the X-ray, ultra-violet and optical sky for over 21 years, resulting in
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almost a million X-ray detections and nearly 9 million detections in the UV and
optical. Many highly variable sources have been discovered in the data once it is made available in the catalogues put together by the XMM-Newton Survey... -
Fabio Acero (CEA/Saclay)15/09/2021 09:50
The Athena X-ray observatory is a L-class mission selected by ESA in its Cosmic Vision program to be launched in early 2030s. Successor of the XMM-Newton telescope, it will embark a revolutionary spectro-imager X-IFU using micro-calorimeter technologies allowing a breakthrough 2.5 eV spectral resolution compared to ~150 eV for XMM-Newton.
In this contribution I will review the science cases...
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Dr pierre-olivier petrucci (IPAG)15/09/2021 10:10
X-ray satellites like XRISM (to be launched in early 2023) and, in a more distant future, Athena (2030+), will revolutionize our spectral view of compact objects. Thanks to their onboard calorimeters, they will provide an energy resolution of a few eV in the broad band (~1-10 keV) X-ray range, a factor several tens of times better than present satellites, especially above 6 keV.
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I will... -
Frédéric Marin (Observatoire astronomique de Strasbourg)15/09/2021 10:45
50 years after the pioneering experiments, X-ray spectroscopy and timing techniques can be considered as well established. Nonetheless, one prominent feature of X-ray light has not been explored as scrupulously as others: its polarization. Between 1980 and 2000, the instruments were not sensitive enough to go beyond the first X-ray polarimetric results acquired in the 70s but the development...
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15/09/2021 11:05
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Fabio Acero (CEA/Saclay)
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Frédéric Marin (Observatoire astronomique de Strasbourg)
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pierre-olivier petrucci (IPAG)