(variable star taken as example of young star)
T Tauri is a system of three stars that
is the source of the term T-Tauri star applied to similar
young variable stars. It was discovered in 1852,
discovered to be a binary in 1981, and near 2000,
a triple, the three now known as T Tau N (for "north"),
T Tau Sa and T Tau Sb.
T Tauri illuminates a nearby nebula, NGC 1555.
Characteristics (T Tau Sa):
(star,variable star,binary star,protostar)
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Referenced by pages:
G-type star (G)
T-Tauri star (TTS)
variable star designation