M25
M26
M27
M28
M29
M2K: I. A Jovian mass planet around the M3V star HIP79431
M2K: II. A Triple-Planet System Orbiting HIP 57274
M30
M31 and Companions: A Key to Baade's Stellar Populations Then and Now
M31 and Local Group QSO's
M31 Globular Cluster Abundances from High-Resolution, Integrated-Light Spectroscopy
M31 globular cluster metallicities and ages
M31 Globular Cluster X-ray Sources: XMM-Newton and Chandra results
M31 Globular Clusters in the HST Archive: I. Cluster Detection and Completeness
M31 Globular Clusters in the HST Archive: II. Structural Parameters
M31 Globular Clusters: Colors and Metallicities
M31 pixel lensing event OAB-N2: a study of the lens proper motion
M31 pixel lensing: Observations at the Loiano telescope
M31 Transverse Velocity and Local Group Mass from Satellite Kinematics
M31 vs. M33: Different modes of star formation