Circumstellar matter Exoplanètes Methods observational Sparsity Cosmology theory Planetary systems Galaxies kinematics and dynamics Techniques image processing Galaxy abundances Methods analytical Nonlinear unmixing Asteroids Techniques photometric Asteroseismology Gravitation Methods statistical Techniques radial velocities Instrumentation adaptive optics Hyperspectral data Galaxies formation Astrophysics - Instrumentation and Methods for Astrophysics Galaxy stellar content Large-scale structure of Universe Galaxy Galaxies clusters general Galaxies Cosmology observations Orbits Gravitational waves Data analysis method Galaxy evolution Etoiles doubles Stars atmospheres Protoplanetary disks Methods numerical Planet-disk interactions Instrumentation interferometers Orbites Asteroids general Interférométrie Machine learning Techniques interferometric High angular resolution Galaxy kinematics and dynamics X-rays galaxies clusters LIGO Astrophysics - Astrophysics of Galaxies Galaxy structure Proper motions Structure Galaxy disk Planets and satellites formation Interferometry Hyperspectral imaging Atmospheric effects Astrometry Catalogs Gravitational lensing weak Techniques spectroscopic Galaxies clusters intracluster medium Surveys Stars late-type Double stars Accretion Galaxies statistics Stars fundamental parameters Galaxy formation Stars abundances Stars variables Cepheids Turbulence Galaxies high-redshift Stars pre-main sequence Galaxies active Astrophysics - Solar and Stellar Astrophysics Galaxies star formation Dark matter Astrophysics VIRGO Radiative transfer Planets and satellites detection Exoplanets Binary coalescence Adaptive filtering Celestial mechanics Gravitational radiation emission Hydrodynamics Instrumentation high angular resolution Galaxies evolution Techniques high angular resolution Instrumentation Methods data analysis Minor planets Kernel Galaxy bulge Gravitational radiation Telescopes Adaptive optics Accretion disks Astrophysics - Earth and Planetary Astrophysics Galaxies dwarf