Variability and nature of the binary in the Red Rectangle Nebula

Variability and optical-radio properties of BL Lacertae objects

Variability and periodicity of field M dwarfs revealed by multichannel monitoring

Variability and polarization in the inner jet of 3C395

Variability and pulsations in the Be star 66 Ophiuchi

Variability and rotation of ultra cool dwarfs

Variability and Spectra of Two Neutron Stars in 47 Tucanae

Variability and spectral classification of LMC giants: results from DENIS and EROS

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 and Spectral Transitions in Black Hole X-ray Binaries

Variability and spectral variation of 3C 66A

Variability and stability in blazar jets on time scales of years: Optical polarization monitoring of OJ287 in 2005-2009

Variability and stability in optical blazar jets: the case of OJ287

Variability and Stability in Radiation Hydrodynamic Accretion Flows

Variability and stellar populations with deep optical-IR images of the Milky Way disk: matching VVV with VLT/VIMOS data

Variability and stellar populations with deep optical-IR images of the Milky Way disc: matching VVV with VLT/VIMOS data

Variability and the X-ray/UV ratio of Active Galactic Nuclei

Variability and Unification of Blazars and Gamma Ray Bursts

Variability and velocity fields in Alpha Ori atmosphere