An Observational Overview of Solar Flares
An Oosterhoff Analysis of the Galactic Bulge Field RR Lyrae stars: Implications On Their Absolute Magnitudes
An Optical-Infrared Study of the Young Multipolar Planetary Nebula NGC 6644
An outflow origin of the [NeII] emission in the T Tau triplet
An Overall Picture of the Gas Flow In Massive Cluster Forming Region: The Case of G10.6-0.4
An overshoot solar dynamo with a strong return meridional flow
An Overview of the Rotational Behavior of Metal--Poor Stars
An R- and I-Band Photometric Variability Survey of the Cygnus OB2 Association
An uncombed inversion of multi-wavelength observations reproducing the Net Circular Polarization in a sunspots' penumbra
An Unexpected Discovery in the Rich Open Cluster NGC 6819 Using XMM-Newton
An unstable superfluid Stewartson layer in a differentially rotating neutron star
An Unusual Eclipsing Blue Straggler V8-NGC 6752
An Unusually Fast-Evolving Supernova
An Updated Look at Binary Characteristics of Massive Stars in the Cygnus OB2 Association
An updated survey of globular clusters in M 31. III. A spectroscopic metallicity scale for the Revised Bologna Catalog
An XMM-Newton view of Planetary Nebulae in the Small Magellanic Cloud. The X-ray luminous central star of SMP SMC 22
Analysing solar-like oscillations with an automatic pipeline
Analysing the active longitudes of the young solar analogue HD 116956 using Bayesian statistics
Analysis of 3D MHD Instability of Antisolar Latitudinal Differential Rotation in F, G and K stars
Analysis of a global Moreton wave observed on October 28, 2003