K-type star · orange dwarf

HR 5398

HR 5398 is an orange dwarf in the constellation Centaurus 320 ly from Earth. Its surface is about 4,280 K, about 0.7 times the Sun's surface temperature, and it shines at 24.64× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 320 years ago.

320 lybrightness mag 6.33K3III

Also catalogued as HD 126386 · HIP 70580

4,280 K
temperature
6.33
apparent magnitude
24.64× ☉
luminosity vs Sun
K3III
spectral type
Distance & comparison with our Sun
320 years
at light speed from Earth
0.74×
as hot as the Sun
24.64×
the Sun's light output
1.37
absolute magnitude
Explore from here · roam the neighborhood
HR 5398K-type
Sky regionCentaurusthis direction
StarTau² Lup17 ly
StarEta Cen17 ly
StarHR 541920 ly
StarMenkentstar
StarGamma Censtar
Nearest stars
Bright stars in Centaurus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Centaurus

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.