The abundance of HNCO and its use as a diagnostic of environment
The Abundance of Molecular Hydrogen and its Correlation with Midplane Pressure in Galaxies: Non-Equilibrium, Turbulent, Chemical Models
The Abundance Pattern in the Hot ISM of NGC 4472: Insights and Anomalies
The abundance spread in the Bootes I dwarf spheroidal galaxy
The Accretion of Fuel at the Disk-Halo Interface
The ACS LCID Project. II. Faint Variable Stars in the Isolated Dwarf Irregular Galaxy IC1613
The ACS Nearby Galaxy Survey Treasury
The ACS Nearby Galaxy Survey Treasury IV. The Star Formation History of NGC 2976
The ACS Nearby Galaxy Survey Treasury V. Radial Star Formation History of NGC 300
The ACS Nearby Galaxy Survey Treasury. X. Quantifying the Star Cluster Formation Efficiency of Nearby Dwarf Galaxies
The ACS Survey of Galactic Globular Clusters XI: The Three-Dimensional Orientation of the Sagittarius Dwarf Spheroidal Galaxy and its Globular Clusters
The ACS Survey of Galactic Globular Clusters. X. New Determinations of Centers for 65 Clusters
The active nuclei of z<1.0 3CRR radio sources
The Active Nucleus in NGC 4579
The age of cataclysmic variables: a kinematical study
The age of the Milky Way halo stars from the Sloan Digital Sky Survey
The Age-Metallicity Relation in the Thin Disk of the Galaxy
The Ages of Type Ia Supernova Progenitors
The Ages, Metallicities and Alpha Element Enhancements of Globular Clusters in the Elliptical NGC 5128: A Homogeneous Spectroscopic Study with Gemini/GMOS
The alignment of molecular cloud magnetic fields with the spiral arms in M33