M-type star · red

HR 6838

HR 6838 is a red in the constellation Sagittarius 977 ly from Earth. Its surface is about 3,693 K, about 0.6 times the Sun's surface temperature, and it shines at 370× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 977 years ago.

977 lybrightness mag 5.81K2III

Also catalogued as HD 167720 · HIP 89609

3,693 K

temperature

5.81

apparent magnitude

370× ☉

luminosity vs Sun

K2III

spectral type

Distance & comparison with our Sun

977 years

at light speed from Earth

0.64×

as hot as the Sun

370×

the Sun's light output

-1.57

absolute magnitude

Explore from here · roam the neighborhood

HR 6838M-type

Sky regionSagittariusthis direction

StarHR 6704100 ly

StarHR 7023120 ly

StarHR 7072140 ly

StarKaus Australisstar

StarNunkistar

Nearest stars

Bright stars in Sagittarius

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.8To see it no equipment neededLook toward Sagittarius

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.