Astrometric monitoring of stars provides a promising method for discovery of low-mass planets around nearby Sun-like stars.
starspot
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
A Scatter of Light from a Polarized World
Many known exoplanets harbor clouds, which lead to degeneracies in spectroscopic models between particle composition and size. Polarimetry, however, provides independent assessment.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
A Planet Crossing Starspots Reveals The Detailed Architecture Of The TOI-3884 System
To capture the spot-crossing transits, the team used the multicolor MuSCAT3 and MuSCAT4 instruments mounted on the Las Cumbres Observatory (LCO) 2-meter telescopes. Between February and March 2024, they observed […]
Posted inAstronomy & Telescopes, Habitable Zones, Radiation, Space Weather & Heliophysics, Status Report
Temporal Variation of Flare Occurrence Rates via the Spot Evolution on the Sun and Solar-type Stars
The spot evolution on the Sun and solar-type stars is important for understanding the nature of consequential flaring activity.