A-type star · white star

HR 5818

255 lybrightness mag 5.77A2V

Also catalogued as HD 139493 · HIP 76376

9,531 K

temperature

5.77

apparent magnitude

26.28× ☉

luminosity vs Sun

A2V

spectral type

Distance & comparison with our Sun

255 years

at light speed from Earth

1.65×

as hot as the Sun

26.28×

the Sun's light output

1.30

absolute magnitude

Explore from here · roam the neighborhood

HR 5818A-type

Sky regionDracothis direction

Nearest stars

HR 5887 →17 ly apart
HR 5635 →19 ly apart
HR 5715 →38 ly apart
47 Boo →42 ly apart
HR 6199 →44 ly apart
HR 5857 →45 ly apart

Bright stars in Draco

Eltanin →mag 2.2
Athebyne →mag 2.7
Rastaban →mag 2.8
Altais →mag 3.1
Aldhibah →mag 3.2
Edasich →mag 3.3
44Chi Dra →mag 3.5
Thuban →mag 3.7

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.8To see it no equipment neededLook toward Draco

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.