K-type star · orange

7 Per

7 Per is an orange in the constellation Perseus 819 ly from Earth. Its surface is about 4,651 K, about 0.8 times the Sun's surface temperature, and it shines at 221× the Sun's brightness. At magnitude 6.0 it is bright enough to see with the naked eye; the light you see left it 819 years ago.

819 lybrightness mag 5.99G7III

Also catalogued as HR 662 · HD 13994 · HIP 10729

4,651 K
temperature
5.99
apparent magnitude
221× ☉
luminosity vs Sun
G7III
spectral type
Distance & comparison with our Sun
819 years
at light speed from Earth
0.81×
as hot as the Sun
221×
the Sun's light output
-1.01
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 6.0To see it no equipment neededLook toward Perseus

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.