Obituary: Timothy P. McCullough, Jr., 1910-2004

Obituary: Wayne Carlos Hendrickson, 1953-2007

Obituary: Yakov Borisovich Zel'dovich (1914 - 1987).

Object classification and astrophysical parameter determination with the GAIA Galactic Survey Mission and virtual observatories

Object classification and outliers analysis in the forthcoming Gaia mission

Object classification and the determination of stellar parameters with Gaia

Object Classification in Astronomical Multi-Color Surveys

Object detection in multi-epoch data

Object DUO 2: A New Binary Lens Candidate

Object identification in POSS-II plates by means of Neural Networks

Object Image Linking of Earth Orbiting Objects in the Presence of Cosmics

Object PHL 938 IN the Haro-Luyten Catalogue of Blue Stars

Object-X: The Brightest Mid-IR Point Source in M33

Objective Calibration of Sunspot Numbers

Objective characterization of stellar activity cycles. I - Methods and solar cycle analyses

Objective Classification of Galaxy Spectra using the Information Bottleneck Method

Objective Determination of Star Formation Histories

Objective Lens

Objective Prism Spectra in the Near Infrared.

Objective Prism Spectral Survey of the Galaxy in the Near-Infrared Spectral Region