Tucana Horologium association
(nearby stellar association)
The Tucana Horologium association (abbreviated THA)
is a nearby stellar association.
A THA star is a star in the association.
AB Pictoris (a K-type star with a substantial orbiting object
on the line between extra-solar planet and brown dwarf) was considered
a member but a recent determination says not, though it is in
within the association's volume.
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