K-type star · orange

40 Ari

40 Ari is an orange in the constellation Aries 462 ly from Earth. Its surface is about 4,278 K, about 0.7 times the Sun's surface temperature, and it shines at 81.36× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 462 years ago.

462 lybrightness mag 5.83K1III

Also catalogued as HR 828 · HD 17459 · HIP 13108

4,278 K
temperature
5.83
apparent magnitude
81.36× ☉
luminosity vs Sun
K1III
spectral type
Distance & comparison with our Sun
462 years
at light speed from Earth
0.74×
as hot as the Sun
81.36×
the Sun's light output
0.07
absolute magnitude
Explore from here · roam the neighborhood
40 AriK-type
Sky regionAriesthis direction
StarSigma Ari42 ly
StarHD 1954954 ly
StarTheta Ari60 ly
StarHamalstar
StarSheratanstar
Nearest stars
Bright stars in Aries
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.8To see it no equipment neededLook toward Aries

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.