B-type star · blue-white star

Tianguan

Tianguan is a blue-white star in the constellation Taurus 445 ly from Earth. Its surface is about 12,449 K, about 2.2 times the Sun's surface temperature, and it shines at 1,051× the Sun's brightness. At magnitude 3.0 it is bright enough to see with the naked eye; the light you see left it 445 years ago.

445 lybrightness mag 2.97B4IIIp

Also catalogued as Zeta Tau · HR 1910 · HD 37202 · HIP 26451

12,449 K
temperature
2.97
apparent magnitude
1,051× ☉
luminosity vs Sun
B4IIIp
spectral type
Distance & comparison with our Sun
445 years
at light speed from Earth
2.16×
as hot as the Sun
1,051×
the Sun's light output
-2.70
absolute magnitude
Explore from here · roam the neighborhood
TianguanB-type
Sky regionTaurusthis direction
Star118 Tau39 ly
Star125 Tau40 ly
Star116 Tau48 ly
StarElnathstar
StarAlcyonestar
Nearest stars
Bright stars in Taurus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 3.0To see it no equipment neededLook toward Taurus

Star data from the HYG database v4.2 (Astronexus, CC BY-SA 4.0). Temperature and colour computed by gravityfinder from the B-V colour index; the illustration is generated from that temperature, not a photograph.