V5116 Sgr: a disc-eclipsed SSS post-outburst nova?

Variability along the Blazar-Sequence - Hints for extragalactic Cosmic Rays?

Variability and spectral energy distributions of low-luminosity active galactic nuclei: a simultaneous X-ray/UV look with Swift

Variability and spectral modeling of the hard X-ray emission of GX 339-4 in a bright low/hard state

Variability in Blazars: Clues from PKS 2155-304

Variability in the orbital profiles of the X-ray emission of the gamma-ray binary LS I +61 303

Variability in the Prompt Emission of Swift-BAT Gamma-Ray Bursts

Variability of low-luminosity AGNs: a simultaneous X-ray/UV look with Swift

Variability of X-ray binaries from an oscillating hot corona

Variable Eddington Factor in a Relativistic Plane-Parallel Flow

Variable Gamma-ray Emission Induced by Ultra-High Energy Neutral Beams: Application to 4C +21.35

Variable gamma-ray sky at 1 GeV

Variable Ly alpha sheds light on the environment surrounding GRB 090426

Variable O VI and N V Emission from the X-ray Binary LMC X-3: Heating of the Black Hole Companion

Variable polarization measured in the prompt emission of GRB 041219A using IBIS on board INTEGRAL

Variable precession of the neutron star in Her X-1

Variable Sodium Absorption in a Low-Extinction Type Ia Supernova

Variable Source of High Energy Gamma-Ray Radiation Cygnus X-3

Variable TeV emission as a manifestation of jet formation in M87?

Variation of microphysics in wind bubbles: an alternative mechanism for explaining the rebrightenings in GRB afterglows