K-type star · orange

HR 5391

HR 5391 is an orange in the constellation Circinus 903 ly from Earth. Its surface is about 3,791 K, about 0.7 times the Sun's surface temperature, and it shines at 300× the Sun's brightness. At magnitude 5.9 it is bright enough to see with the naked eye; the light you see left it 903 years ago.

903 lybrightness mag 5.87K3III

Also catalogued as HD 126241 · HIP 70657

3,791 K
temperature
5.87
apparent magnitude
300× ☉
luminosity vs Sun
K3III
spectral type
Distance & comparison with our Sun
903 years
at light speed from Earth
0.66×
as hot as the Sun
300×
the Sun's light output
-1.34
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.9To see it no equipment neededLook toward Circinus

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.