Variability in mode amplitudes in the rapidly oscillating Ap star HR 1217

Variability in Proto-Planetary Nebulae: I. Light Curve Studies of 12 Carbon-Rich Objects

Variability in X-ray line ratios in helium-like ions of massive stars: the radiation-driven case

Variability monitoring of OB stars during the Mons campaign

Variability morphologies in the color-magnitude diagram. Searching for secular variability

Variability of Be Stars in Southern Open Clusters

Variability of black-hole accretion discs: a theoretical study

Variability of C III and Si III lines in the ultraviolet spectral region of the magnetic Bp star a Centauri

Variability of Disk Emission in Pre-Main Sequence and Related Stars. II. Variability in the Gas and Dust Emission of the Herbig Fe Star SAO 206462

Variability of Hot Post-AGB Star IRAS 19336-0400 in the Early Phase of its Planetary Nebula Ionization

Variability of Hot Supergiant IRAS 19336-0400 in the Early Phase of its Planetary Nebula Ionization

Variability of Luminous Stars in the Large Magellanic Cloud Using 10 Years of ASAS Data

Variability of surface flows on the Sun and the implications for exoplanet detection

Variability of the SiO thermal line emission toward the young L1448-mm outflow

Variability of Young Massive Stars in the Arches Cluster

Variability of Young Massive Stars in the Arches Cluster: Accurate Photometry with Adaptive Optics

Variability of young stars: Determination of rotational periods of weak-line T Tauri stars in the Cepheus-Cassiopeia star-forming region

Variable accretion in the embedded phase of stellar evolution

Variable circumstellar activity of V351 Orionis

Variable Point Sources in Sloan Digital Sky Survey Stripe 82. I. Project Description and Initial Catalog (0 h < R.A. < 4 h)