Activity report 1997 - 2001

NUCLEAR ASTROPHYSICS AND STELLAR PLASMAS

 

Introduction

History of elements

Nuclei of cosmological origin  (D, 3He, 4He, 7Li)

Nuclei originating from spallation (Li, Be, B)

Gamma-ray line astronomy as a probe of thermal and non thermal nucleosynthesis

High-energy laser experiments based on plasma physics applied to astrophysics

ASTROLABE I experiment

Study of spectral opacities

Experiments concerning shock physics

Modelling laser experiments  

Probing stellar plasmas by seismology: towards a dynamical and multidimensional view of the stars

GOLF on board the SOHO satellite

Study of solar acoustic modes

The solar model

Evolution of young stars 

Asteroseismology and other stars

Scale invariance and statistical properties of turbulence

Turbulence Modelling

Application to Geophysics and Astrophysics

Magnetohydrodynamics and applications to the solar corona

General properties of magnetostatic equilibria

Quasi-static evolution of magnetostatic equilibria 

Numerical simulation of the evolution of a magnetic field

 
fig7_small.jpg

 

High energy cosmic phenomena

Supernovae, Neutrons stars, Black holes, Cosmic rays

 

Introduction

High-energy data collected at SAp

  • SIGMA telescope on the GRANAT satellite

  • KET experiment on the Ulysses probe

  • CAT telescope

  • EPIC camera on the XMM-Newton satellite

Multi-walelength observations and theoretical interpretations

  • Multi-wavelength studies of supernova remnants

  • Multi-wavelength studies of compact objects

  • Multi-wavelength studies of microquasars

  • Modelling of Bondi-Hoyle-Lyttleton type accretion

  • Modelling of gamma emission on the horizon of a black hole

  • Modelling of accretion-ejection phenomena in microquasars

  • Galactic Cosmic Ray sources, and the galactic evolution of Beryllium and Boron

 

 

fig7_small.jpg

Cosmology at Sap


Observational cosmology

Computational cosmology

Theoretical cosmology

 
fig13a_small.jpg (14493 octets)

From galaxies to planets : 

Structuring the Universe

The collapse of matter, a key to the formation of structures

Introduction

Formation and early evolution of solar-like stars in our Galaxy

  • Prestellar condensations on the verge of collapse within molecular clouds

  • Modelling the collapse of protostellar clouds

  • Planetary systems, disks and rings

  • High-energy phenomena in regions of star formation

  • Interstellar shocks

  • Projects

Star formation in nearby galaxies 

  • ISOCAM and IR emission from nearby spiral galaxies

  • The dwarf galaxies

  • « Starbursts » et interacting galaxies

 

 

Galaxies clusters and cosmology

Supernovae remnants

Compacts sources

Stellar coronae

 

Last update : 03/22 2007 (1432)

Retour en haut