A-type star · white star

73 Ori

1,165 lybrightness mag 5.44B9II-III

Also catalogued as HR 2229 · HD 43247 · HIP 29736

9,942 K

temperature

5.44

apparent magnitude

741× ☉

luminosity vs Sun

B9II-III

spectral type

Distance & comparison with our Sun

1,165 years

at light speed from Earth

1.72×

as hot as the Sun

741×

the Sun's light output

-2.32

absolute magnitude

Explore from here · roam the neighborhood

73 OriA-type

Sky regionOrionthis direction

Nearest stars

HR 2222 →40 ly apart
HR 2300 →89 ly apart
HR 2184 →130 ly apart
HR 2030 →190 ly apart
HR 2370 →190 ly apart
HR 2292 →200 ly apart

Bright stars in Orion

Hatysa →mag 2.8
Tabit →mag 3.2
28Eta Ori →mag 3.4
Meissa →mag 3.4
20Tau Ori →mag 3.6
3Pi 4Ori →mag 3.7
8Pi 5Ori →mag 3.7
48Sig Ori →mag 3.8

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.4To see it no equipment neededLook toward Orion

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.