Advanced Morphological Galaxy Classification: A Comparison of Real and Simulated Galaxies

Advanced Three Level Approximation for Numerical Treatment of Cosmological Recombination

Advances on GRB as cosmological tools

Advection-dominated accretion, jets and the spectral energy distribution of LINERs

AEGIS: Demographics of X-ray and Optically Selected AGNs

AEGIS: The Clustering of X-ray AGN Relative to Galaxies at z~1

AEGIS: The Morphologies of Green Galaxies at 0.4<z<1.2

Aether Unleashed

Affleck-Dine baryogenesis with modulated reheating

Age and Extinction of the Ultraviolet Emitting Regions in M82

Age and mass constraints for a young massive cluster in M31 based on spectral-energy-distribution fitting

Age and metallicity gradients in early-type galaxies: A dwarf to giant sequence

Age and structure parameters of a remote M31 globular cluster B514 based on HST, 2MASS, GALEX and BATC observations

Ages and metallicities for quiescent galaxies in the Shapley Supercluster: Driving parameters of the stellar populations

Ages of M33 Star Clusters Based on the HST/WFPC2 Photometry

AGES: The AGN and Galaxy Evolution Survey

AGN Activity and Black Hole Masses in Low Surface Brightness Galaxies

AGN activity: Self-regulation from backflow

AGN clustering in the local Universe: an unbiased picture from Swift-BAT

AGN Clustering in the X-ray Band