Optimization of mapping modes for heterodyne instruments
Optimization of Moment Masking for CO Spectral Line Surveys
Optimization of multivariate analysis for IACT stereoscopic systems
Optimization of Planck/LFI on--board data handling
Optimized fringe sensors for the VLTI next generation instruments
Optimized Trigger for Ultra-High-Energy Cosmic-Ray and Neutrino Observations with the Low Frequency Radio Array
Optimizing Automated Classification of Periodic Variable Stars in New Synoptic Surveys
Optimizing optical follow-up of gravitational-wave candidates
Optimizing point-source parameters for scanning satellite surveys
Optimizing the Search for High-z GRBs: The JANUS X-ray Coded Aperture Telescope
Optimum Acceptance Regions for Direct Dark Matter Searches
Optimum estimate of delays and dispersive effects in low-frequency interferometric observations
Orbit Mode observations of Crab and Mrk 421
Orbital structure in barred spiral galaxies
Order statistics and heavy-tail distributions for planetary perturbations on Oort cloud comets
ORIGIN: Metal Creation and Evolution from the Cosmic Dawn
OTELO survey: optimal emission-line flux determination with OSIRIS/GTC
Over-resolution of compact sources in interferometric observations