K-type star · orange

HD 125809

HD 125809 is an orange in the constellation Lupus 1,561 ly from Earth. Its surface is about 4,200 K, about 0.7 times the Sun's surface temperature, and it shines at 544× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 1,561 years ago.

1,561 lybrightness mag 6.41G5Ib

Also catalogued as HIP 70320

4,200 K
temperature
6.41
apparent magnitude
544× ☉
luminosity vs Sun
G5Ib
spectral type
Distance & comparison with our Sun
1,561 years
at light speed from Earth
0.73×
as hot as the Sun
544×
the Sun's light output
-1.99
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook toward Lupus

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.