K-type star · orange

HR 4509

HR 4509 is an orange in the constellation Chamaeleon 178 ly from Earth. Its surface is about 5,013 K, about 0.9 times the Sun's surface temperature, and it shines at 7.30× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 178 years ago.

178 lybrightness mag 6.38K0III/IV

Also catalogued as HD 101917 · HIP 57137

5,013 K
temperature
6.38
apparent magnitude
7.30× ☉
luminosity vs Sun
K0III/IV
spectral type
Distance & comparison with our Sun
178 years
at light speed from Earth
0.87×
as hot as the Sun
7.30×
the Sun's light output
2.69
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 Chamaeleon

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.