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Theta1 Tauri

77 Tauri

Proper NameNone
Bayer DesignationTheta1 Tauri
Flamsteed Number77 Tauri
HR (BSC)1411
HD28307
Constellation Taurus
Right Ascension4h 29m 40s
Declination+16° 0' 9"
Distance154 light years
47 parsecs
MagnitudeApparent: +3.8
Absolute: +0.5
Spectral ClassG9IIIFe Yellow Giant
Optimum VisibilityDecember
NotesAn iron-rich yellow giant star within the Hyades cluster, Theta1 Tauri is an evolved star that has passed through its hydrogen phase and is burning helium at its core. It lies close to the slightly brighter Theta2 Tauri (Chamukuy) in the sky, and also in space: the two stars are probably no more than four light years apart.

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