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