M-type star · red

HR 3870

553 lybrightness mag 5.09M3III

Also catalogued as HD 84335 · HIP 47965

3,657 K

temperature

5.09

apparent magnitude

230× ☉

luminosity vs Sun

M3III

spectral type

Distance & comparison with our Sun

553 years

at light speed from Earth

0.63×

as hot as the Sun

230×

the Sun's light output

-1.06

absolute magnitude

Explore from here · roam the neighborhood

HR 3870M-type

Sky regionUrsa Majorthis direction

Nearest stars

30Phi UMa →53 ly apart
HR 3939 →55 ly apart
HR 4052 →57 ly apart
HR 3922 →79 ly apart
HR 3408 →100 ly apart
11Sig1UMa →100 ly apart

Bright stars in Ursa Major

Alioth →mag 1.8
Dubhe →mag 1.8
Alkaid →mag 1.9
Merak →mag 2.3
Phecda →mag 2.4
52Psi UMa →mag 3.0
Tania Australis →mag 3.1
Talitha →mag 3.1

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.1To see it no equipment neededLook toward Ursa Major

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.