K-type star · orange

HR 8129

HR 8129 is an orange in the constellation Octans 679 ly from Earth. Its surface is about 3,942 K, about 0.7 times the Sun's surface temperature, and it shines at 102× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 679 years ago.

679 lybrightness mag 6.42K3III

Also catalogued as HD 202418 · HIP 106320

3,942 K
temperature
6.42
apparent magnitude
102× ☉
luminosity vs Sun
K3III
spectral type
Distance & comparison with our Sun
679 years
at light speed from Earth
0.68×
as hot as the Sun
102×
the Sun's light output
-0.17
absolute magnitude
Explore from here · roam the neighborhood
HR 8129K-type
Sky regionOctansthis direction
StarHR 817639 ly
StarHD 16533853 ly
StarHR 781261 ly
StarNu Octstar
StarBeta Octstar
Nearest stars
Bright stars in Octans
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook toward Octans

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.