A-type star · white star

HR 540

231 lybrightness mag 6.44A5m

Also catalogued as HD 11408 · HIP 8847

8,281 K

temperature

6.44

apparent magnitude

11.60× ☉

luminosity vs Sun

A5m

spectral type

Distance & comparison with our Sun

231 years

at light speed from Earth

1.43×

as hot as the Sun

11.60×

the Sun's light output

2.19

absolute magnitude

Explore from here · roam the neighborhood

HR 540A-type

Sky regionPerseusthis direction

Nearest stars

HR 645 →28 ly apart
39Chi Cas →29 ly apart
3 Per →30 ly apart
HR 673 →37 ly apart
HR 567 →40 ly apart
62 And →41 ly apart

Bright stars in Perseus

Mirfak →mag 1.8
44Zet Per →mag 2.8
45Eps Per →mag 2.9
23Gam Per →mag 2.9
39Del Per →mag 3.0
25Rho Per →mag 3.3
Miram →mag 3.8
41Nu Per →mag 3.8

Can you see it tonight?

BINOCULARS NEEDED

Brightness mag 6.4To see it 50 mm binocularsLook toward Perseus

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.