M-type star · red

HR 6891

HR 6891 is a red in the constellation Draco 648 ly from Earth. Its surface is about 3,623 K, about 0.6 times the Sun's surface temperature, and it shines at 338× the Sun's brightness. At magnitude 5.0 it is bright enough to see with the naked eye; the light you see left it 648 years ago.

648 lybrightness mag 5.02M2III

Also catalogued as HD 169305 · HIP 89981

3,623 K
temperature
5.02
apparent magnitude
338× ☉
luminosity vs Sun
M2III
spectral type
Distance & comparison with our Sun
648 years
at light speed from Earth
0.63×
as hot as the Sun
338×
the Sun's light output
-1.47
absolute magnitude
Explore from here · roam the neighborhood
HR 6891M-type
Sky regionDracothis direction
StarHR 698344 ly
StarHR 721077 ly
StarHR 679279 ly
StarEltaninstar
StarAthebynestar
Nearest stars
Bright stars in Draco
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.0To 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.