The
Bayer designation
A Bayer designation is a stellar designation in which a specific star is identified by a Greek or Latin letter followed by the genitive form of its parent constellation's Latin name. The original list of Bayer designations contained 1,564 stars. ...
Lambda Tucanae (λ Tuc, λ Tucanae) is shared by two
star system
A star system or stellar system is a small number of stars that orbit each other, bound by gravitational attraction. A large group of stars bound by gravitation is generally called a '' star cluster'' or '' galaxy'', although, broadly speak ...
s in the
constellation
A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.
The origins of the e ...
Tucana.
*
λ1 Tucanae
*
λ2 Tucanae
They are separated by 0.23° in the sky.
{{SIA , astronomical objects
Tucanae, Lambda
Tucana (constellation)