Star Thuban

Binary star Thuban is located 303 light years away from the Sun. It consists of a blue giant and a white-blue star. For now, there are no known exoplanets in this star system.

Thuban A

Blue Giant

Spectral class: A0III

Location

Right ascension: 14h 4m 23.35s

Declination: 64° 22' 33.062'' (northern hemisphere)

Parallax: 10.76

Sun distance: 303.119 ly | 92.9 pc

Basic characteristic

Mass: 280 % M Sun

Size: 340 % R Sun

Temperature: 10100 K | 1.75 T Sun

Luminosity: 479 L Sun

Thuban B

White-Blue star

Location

Distance from the primary: 0.46 AU

Basic characteristic

Mass: 260 % M Sun

Size: 260 % R Sun (estimate)

Luminosity: 40 L Sun

Thuban system structure

	Thuban A
	Thuban B		0.46 AU

More about Thuban

       Thuban can be found in northern celestial hemisphere.

Other designations of this star
Alpha Dra, α Dra, 11 Dra, AG+64° 666, BD+65° 978, FK5 521, GC 19019, HD 123299, HIP 68756, HR 5291, SAO 16273, PPM 18861, PLX 3209, TYC 4174-1262-1, GSC 04174-01262, IRAS 14030+6436, 2MASS J14042335+6422331

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