Most high-priority Habitable Worlds Observatory targets have measured stellar activity and rotation, but long-term magnetic activity cycles are known for fewer than 20% of them.
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GJ 729 exhibits a weak, evolving large-scale magnetic field (50-145 G) and a persistent ~7 d radial velocity signal that could be a ~1.5-2 Earth-mass planet or residual stellar activity.
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HWO Target Stars and Systems: Activity and Rotation Catalog (ARC) of Potential Target Stars for the Habitable Worlds Observatory
Most high-priority Habitable Worlds Observatory targets have measured stellar activity and rotation, but long-term magnetic activity cycles are known for fewer than 20% of them.
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RedDots: Magnetic field of the nearby active M dwarf GJ 729, and a search for companions
GJ 729 exhibits a weak, evolving large-scale magnetic field (50-145 G) and a persistent ~7 d radial velocity signal that could be a ~1.5-2 Earth-mass planet or residual stellar activity.