M-type star · red

HR 400

HR 400 is a red in the constellation Sculptor 977 ly from Earth. Its surface is about 3,632 K, about 0.6 times the Sun's surface temperature, and it shines at 360× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 977 years ago.

977 lybrightness mag 5.84M0III

Also catalogued as HD 8498 · HIP 6502

3,632 K
temperature
5.84
apparent magnitude
360× ☉
luminosity vs Sun
M0III
spectral type
Distance & comparison with our Sun
977 years
at light speed from Earth
0.63×
as hot as the Sun
360×
the Sun's light output
-1.54
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.8To see it no equipment neededLook toward Sculptor

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.