K-type star · orange dwarf

HR 6439

HR 6439 is an orange dwarf in the constellation Ophiuchus 162 ly from Earth. Its surface is about 5,134 K, about 0.9 times the Sun's surface temperature, and it shines at 6.43× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 162 years ago.

162 lybrightness mag 6.31G9V

Also catalogued as HD 156826 · HIP 84801 · Gliese Gl 668.1

5,134 K
temperature
6.31
apparent magnitude
6.43× ☉
luminosity vs Sun
G9V
spectral type
Distance & comparison with our Sun
162 years
at light speed from Earth
0.89×
as hot as the Sun
6.43×
the Sun's light output
2.83
absolute magnitude
Explore from here · roam the neighborhood
HR 6439K-type
Sky regionOphiuchusthis direction
StarHR 653411 ly
StarHR 644915 ly
StarHR 649627 ly
StarSabikstar
StarZeta Ophstar
Nearest stars
Bright stars in Ophiuchus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Ophiuchus

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.