Observational study of sites of triggered star formation: CO and mid-infrared observations

Observational Tests of the Properties of Turbulence in the Very Local Interstellar Medium

Observations and Analysis of High-Resolution Magnetic Field Structures in Molecular Clouds

Observations and Modelling of Relativistic Spin Precession in PSR J1141-6545

Observations and properties of candidate high frequency GPS radio sources in the AT20G survey

Observations and radiative transfer modelling of a massive dense cold core in G333

Observations of Diffuse Ultraviolet Emission from Draco

Observations of Doppler Boosting in Kepler Lightcurves

Observations of M87 and Hydra A at 90 GHz

Observations of Mg II Absorption Near z ~ 1 Galaxies Selected From The DEEP2 Redshift Survey

Observations of Polarized Dust Emission at Far-infrared through Millimeter Wavelengths

Observations of Supernova Remnants and Pulsar Wind Nebulae: A VERITAS Key Science Project

Observations of Supernova Remnants with VERITAS

Observing a Black Hole Event Horizon: (Sub)Millimeter VLBI of Sgr A*

Observing a column-dependent zeta in dense interstellar sources: the case of the Horsehead Nebula

Observing gravitational lensing effects by Sgr A* with GRAVITY

Observing Neutral Hydrogen Above Redshift 6: The "Global" Perspective

Occultation of the Quiescent Emission from Sgr A* by IR Flares

OGLE-2009-BLG-076S - The most metal-poor dwarf star in the Galactic bulge

OGLE-III Detection of the Anomalous Galactic Bulge Red Giant Branch Bump: Evidence of Enhanced Helium Enrichment