K-type star · orange
20 Cet
20 Cet is an orange in the constellation Cetus 587 ly from Earth. Its surface is about 3,720 K, about 0.6 times the Sun's surface temperature, and it shines at 345× the Sun's brightness. At magnitude 4.8 it is bright enough to see with the naked eye; the light you see left it 587 years ago.
Also catalogued as HR 248 · HD 5112 · HIP 4147
3,720 K
temperature
4.78
apparent magnitude
345× ☉
luminosity vs Sun
M0III
spectral type
Distance & comparison with our Sun
587 years
at light speed from Earth
0.64×
as hot as the Sun
345×
the Sun's light output
-1.50
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
VISIBLE TO THE NAKED EYE
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.