K-type star · orange

Formosa

Formosa is an orange in the constellation Leo 399 ly from Earth. Its surface is about 4,719 K, about 0.8 times the Sun's surface temperature, and it shines at 34.23× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 399 years ago.

399 lybrightness mag 6.45G9III

Also catalogued as HR 4459 · HD 100655 · HIP 56508

4,719 K
temperature
6.45
apparent magnitude
34.23× ☉
luminosity vs Sun
G9III
spectral type
Distance & comparison with our Sun
399 years
at light speed from Earth
0.82×
as hot as the Sun
34.23×
the Sun's light output
1.01
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To see it 50 mm binocularsLook toward Leo

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.