Techniques radial velocities Stars evolution Instabilities Accretion Methods numerical Stars rotation Outflows Techniques photometric Radiative transfer Gamma rays general Stars protostars Astrophysics - Solar and Stellar Astrophysics Stars early-type Submillimeter planetary systems Planetary systems Hydrodynamics Infrared stars Techniques high angular resolution ISM structure Techniques interferometric Astrophysics - High Energy Astrophysical Phenomena HESS Astrometry Star formation Stars magnetic field Galaxies active Methods statistical ISM abundances Gamma ray VHE X-rays galaxies Pluto ISM jets and outflows Turbulence Comets Planets and satellites detection Stars winds Molecular processes Binaries general Polarization Stars pre-main sequence Infrared planetary systems Spectroscopy Radio lines ISM ISM clouds Stars late-type Planet formation ISM molecules Techniques image processing Astrophysics - Earth and Planetary Astrophysics Planet-disk interactions Exoplanets Astrophysics - Astrophysics of Galaxies Astrophysics Planets and satellites dynamical evolution and stability Accretion discs Accretion disks Planets and satellites formation Protoplanetary disks Molecular data Planets and satellites atmospheres Polarimetry Stars low-mass Herbig Ae/Be Interstellar medium Radiation mechanisms non-thermal Techniques polarimetric Stars massive Brown dwarfs Protoplanetary discs Molecular physics Stars formation Binaries close Scattering Stars activity Techniques spectroscopic Mars Stars imaging Circumstellar matter Astrophysics - Instrumentation and Methods for Astrophysics Magnetohydrodynamics MHD Galaxies Seyfert X-rays binaries Acceleration of particles Pulsars general Instrumentation adaptive optics Black hole physics Submillimeter ISM Surveys Stars fundamental parameters Stars variables T Tauri Methods data analysis Instrumentation high angular resolution Methods observational Stars solar-type Dust Binaries visual Planets and satellites gaseous planets Astrochemistry Extinction