M-type star · red

HR 1004

HR 1004 is a red in the constellation Fornax 977 ly from Earth. Its surface is about 3,564 K, about 0.6 times the Sun's surface temperature, and it shines at 437× the Sun's brightness. At magnitude 5.6 it is bright enough to see with the naked eye; the light you see left it 977 years ago.

977 lybrightness mag 5.63M1III

Also catalogued as HD 20729 · HIP 15479

3,564 K
temperature
5.63
apparent magnitude
437× ☉
luminosity vs Sun
M1III
spectral type
Distance & comparison with our Sun
977 years
at light speed from Earth
0.62×
as hot as the Sun
437×
the Sun's light output
-1.75
absolute magnitude
Explore from here · roam the neighborhood
HR 1004M-type
Sky regionFornaxthis direction
StarHR 1206180 ly
StarHR 1258190 ly
StarDelta For200 ly
StarDalimstar
StarBeta Forstar
Nearest stars
Bright stars in Fornax
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.6To see it no equipment neededLook toward Fornax

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.