A Young Massive Stellar Population Around the Intermediate Mass Black Hole ESO 243-49 HLX-1

A z=1.82 Analog of Local Ultra-massive Elliptical Galaxies

A z~3 radio galaxy and its protocluster: evidence for a superstructure?

A2163: Merger events in the hottest Abell galaxy cluster II. Subcluster accretion with galaxy-gas separation

AAO Observer - August 2010 Newsletter

Abell 1758N from an optical point of view: new insights on a merging cluster with diffuse radio emission

Abell 370 revisited: refurbished Hubble imaging of the first strong lensing cluster

Abell 611. II. X-ray and strong lensing analyses

Abell 611: I. weak lensing analysis with LBC

Aberrating the CMB sky: fast and accurate computation of the aberration kernel

Absence of a Periodic Component in Quasar z-Distribution

Absence of anti-correlations and of baryon acoustic oscillations in the galaxy correlation function from the Sloan Digital Sky Survey DR7

Absence of Evidence Is Not Evidence of Absence: The Color-Density Relation at Fixed Stellar Mass Persists to z ~ 1

Absence of significant cross-correlation between WMAP and SDSS

Absorption line systems in simulated galaxies fed by cold streams

Absorption of 10 Gev--1 Tev Gamma Rays from 3C 279

Absorption signatures of warm-hot gas at low redshift: Broad Lyman-Alpha Absorbers

Absorption signatures of warm-hot gas at low redshift: OVI

Abundance determination from global emission-line SDSS spectra: exploring objects with high N/O ratios

Abundance determination in HII regions from spectra without the [OII]3727+3729 line