M-type star · red

7 Cet

7 Cet is a red in the constellation Cetus 447 ly from Earth. Its surface is about 3,594 K, about 0.6 times the Sun's surface temperature, and it shines at 274× the Sun's brightness. At magnitude 4.4 it is bright enough to see with the naked eye; the light you see left it 447 years ago.

447 lybrightness mag 4.44M1III

Also catalogued as HR 48 · HD 1038 · HIP 1170

3,594 K
temperature
4.44
apparent magnitude
274× ☉
luminosity vs Sun
M1III
spectral type
Distance & comparison with our Sun
447 years
at light speed from Earth
0.62×
as hot as the Sun
274×
the Sun's light output
-1.25
absolute magnitude
Explore from here · roam the neighborhood
7 CetM-type
Sky regionCetusthis direction
StarHD 22434946 ly
StarHR 902958 ly
StarHR 17261 ly
StarDiphdastar
StarMenkarstar
Nearest stars
Bright stars in Cetus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.4To see it no equipment neededLook toward Cetus

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.