B-type star · blue-white star

HR 1820

1,289 lybrightness mag 6.41B2V

Also catalogued as HD 35912 · HIP 25582

12,967 K

temperature

6.41

apparent magnitude

371× ☉

luminosity vs Sun

B2V

spectral type

Distance & comparison with our Sun

1,289 years

at light speed from Earth

2.25×

as hot as the Sun

371×

the Sun's light output

-1.57

absolute magnitude

Explore from here · roam the neighborhood

HR 1820B-type

Sky regionOrionthis direction

Nearest stars

HR 1803 →53 ly apart
47Ome Ori →130 ly apart
HR 1648 →140 ly apart
56 Ori →140 ly apart
HR 1950 →140 ly apart
HR 1833 →140 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?

BINOCULARS NEEDED

Brightness mag 6.4To see it 50 mm binocularsLook 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.