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