K-type star · orange

HR 2399

HR 2399 is an orange in the constellation Columba 273 ly from Earth. Its surface is about 4,786 K, about 0.8 times the Sun's surface temperature, and it shines at 48.53× the Sun's brightness. At magnitude 5.3 it is bright enough to see with the naked eye; the light you see left it 273 years ago.

273 lybrightness mag 5.25G8III

Also catalogued as HD 46568 · HIP 31165

4,786 K
temperature
5.25
apparent magnitude
48.53× ☉
luminosity vs Sun
G8III
spectral type
Distance & comparison with our Sun
273 years
at light speed from Earth
0.83×
as hot as the Sun
48.53×
the Sun's light output
0.64
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.3To see it no equipment neededLook toward Columba

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.