2 papers
astro-ph.EP2026
Simultaneous Tricolor Video Observations of Three Tiny Near-Earth Asteroids with Sub-Minute Rotation Periods
Jin Beniyama, Ryou Ohsawa, Shigeyuki Sako +4
Studying the physical properties of near-Earth asteroids (NEAs) is crucial for understanding their dynamical histories and origins, and assessing impact hazards to Earth. Tiny NEAs…
astro-ph.IM2025
Demonstration of Plate Analysis, an algorithm for precise relative astrometry
Ryou Ohsawa, Daisuke Kawata, Takafumi Kamizuka +3
Astrometry plays a crucial role in understanding the structure, dynamics, and evolution of celestial objects by providing precise measurements of their positions and motions. We pr…