B-type star · blue-white star

Theta Nor

Theta Nor is a blue-white star in the constellation Norma 386 ly from Earth. Its surface is about 11,814 K, about 2.0 times the Sun's surface temperature, and it shines at 108× the Sun's brightness. At magnitude 5.1 it is bright enough to see with the naked eye; the light you see left it 386 years ago.

386 lybrightness mag 5.13B8V

Also catalogued as HR 6045 · HD 145842 · HIP 79653

11,814 K

temperature

5.13

apparent magnitude

108× ☉

luminosity vs Sun

B8V

spectral type

Distance & comparison with our Sun

386 years

at light speed from Earth

2.05×

as hot as the Sun

108×

the Sun's light output

-0.23

absolute magnitude

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Theta NorB-type

Sky regionNormathis direction

Nearest stars

Bright stars in Norma

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VISIBLE TO THE NAKED EYE

Brightness mag 5.1To see it no equipment neededLook toward Norma

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.