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by Delphine Porquet - 27 February 2008

* X-ray study of black holes (stellar and supermassive) and their close environment thanks to observations obtained with the current generation of X-ray satellites XMM-Newton, Chandra, Suzaku:
- Active Galactic Nuclei (soft excess, warm absorber, FeK line, variability, ...)
- Galactic Center: SgrA* (supermassive Black Hole) and X-ray binaries (stellar black hole and neutron stars).

* Development of plasmas diagnostics in X-rays (density and temperature) for stellar coronae and Active Galactic Nuclei.

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