K-type star · orange

21 PsA

21 PsA is an orange in the constellation Piscis Austrinus 323 ly from Earth. Its surface is about 4,978 K, about 0.9 times the Sun's surface temperature, and it shines at 34.23× the Sun's brightness. At magnitude 6.0 it is bright enough to see with the naked eye; the light you see left it 323 years ago.

323 lybrightness mag 5.99G8/K0III

Also catalogued as HR 8693 · HD 216210 · HIP 112862

4,978 K
temperature
5.99
apparent magnitude
34.23× ☉
luminosity vs Sun
G8/K0III
spectral type
Distance & comparison with our Sun
323 years
at light speed from Earth
0.86×
as hot as the Sun
34.23×
the Sun's light output
1.01
absolute magnitude
Explore from here · roam the neighborhood
21 PsAK-type
Sky regionPiscis Austrinusthis direction
StarHR 874014 ly
StarHR 859641 ly
StarHR 888341 ly
StarEpsilon PsAstar
StarDelta PsAstar
Nearest stars
Bright stars in Piscis Austrinus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 6.0To see it no equipment neededLook toward Piscis Austrinus

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.