SN 2011hw: Helium-Rich Circumstellar Gas and the Luminous Blue Variable to Wolf-Rayet Transition in Supernova Progenitors

SN2010U -- a Luminous Nova in NGC 4214

Snapshot metallicity estimate of resolved stellar systems through Lick Fe5270 diagnostic

Snooping around the big dog: VY CMa as seen with Herschel/HIFI

Sodium-Oxygen anticorrelation among Horizontal Branch Stars in the Globular Cluster M4

Sodium-oxygen anticorrelation and neutron capture elements in Omega Centauri stellar populations

SOFIA observations of CO(12-11) emission along the L1157 bipolar outflow

Soft and Supersoft X-ray Sources in Symbiotic Stars

Soft coronal X-rays from β Pictoris

Soft nuclear equation-of-state from heavy-ion data and implications for compact stars

Soft X-ray coronal spectra at low activity levels observed by RESIK

Software for the Spectral Analysis of Hot Stars

Solar abundance corrections derived through 3D magnetoconvection simulations

Solar abundances and 3D model atmospheres

Solar abundances and granulation effects

Solar active regions: a nonparametric statistical analysis

Solar Activity Indices in 21, 22 and 23 Cycles

Solar Activity Phases and Intermediate-degree Mode Frequencies

Solar analogues in open clusters: The case of M67

Solar and planetary dynamos: comparison and recent developments