M-type star · red

4 Dra

4 Dra is a red in the constellation Draco 621 ly from Earth. Its surface is about 3,620 K, about 0.6 times the Sun's surface temperature, and it shines at 313× the Sun's brightness. At magnitude 5.0 it is bright enough to see with the naked eye; the light you see left it 621 years ago.

621 lybrightness mag 5.01M3IIIa

Also catalogued as HR 4765 · HD 108907 · HIP 60998

3,620 K
temperature
5.01
apparent magnitude
313× ☉
luminosity vs Sun
M3IIIa
spectral type
Distance & comparison with our Sun
621 years
at light speed from Earth
0.63×
as hot as the Sun
313×
the Sun's light output
-1.39
absolute magnitude
Explore from here · roam the neighborhood
4 DraM-type
Sky regionDracothis direction
Star6 Dra22 ly
Star9 Dra42 ly
Star3 Dra58 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.