On the theory of astronomical maser. II. Polarization of maser radiation
On the Tidal Dependence of Galaxy Properties
On the time variability of the star formation efficiency
On the Timescale for Star Formation in Galaxies
On the vertical equilibrium of the local Galactic disk and the search for disk dark matter
One-zone models for spheroidal galaxies with a central supermassive black-hole. Self-regulated Bondi accretion
Opacity in parsec-scale jets of active galactic nuclei: VLBA study from 1.4 to 15 GHz
Open Cluster Characterization via Cross-Correlation with Spectral Library
Open cluster survival within the solar circle: Teutsch145 and Teutsch146
Open clusters and the galactic disk
Open Clusters ASCC21 as a Probable Birthplace of the Neutron Star Geminga
Open clusters towards the Galactic center: chemistry and dynamics. A VLT spectroscopic study of NGC6192, NGC6404, NGC6583
Optical and Near Infrared Monitoring of the Black-Hole X-ray Binary GX 339-4 During 2002-2010
Optical detection and spectroscopic confirmation of supernova remnant G213.0-0.6 (now re-designated as G213.3-0.4)
Optical Discovery of an Apparent Galactic Supernova Remnant G159.6+7.3
Optical Imaging and Spectroscopic Observation of the Galactic Supernova Remnant G85.9-0.6
Optical photometry and basic parameters of 10 unstudied open clusters
Optical Polarization Mapping toward the interface between the Local Cavity and Loop I
Optical polarization observations in the Scorpius region: NGC 6124
Optical Properties of High-Frequency Radio Sources from the Australia Telescope 20 GHz (AT20G) Survey