K-type star · orange

Eta³ For

Eta³ For is an orange in the constellation Fornax 459 ly from Earth. Its surface is about 4,196 K, about 0.7 times the Sun's surface temperature, and it shines at 111× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 459 years ago.

459 lybrightness mag 5.48K2III

Also catalogued as HR 851 · HD 17829 · HIP 13265

4,196 K
temperature
5.48
apparent magnitude
111× ☉
luminosity vs Sun
K2III
spectral type
Distance & comparison with our Sun
459 years
at light speed from Earth
0.73×
as hot as the Sun
111×
the Sun's light output
-0.26
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.5To see it no equipment neededLook toward Fornax

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.