M-type star · red

HR 47

HR 47 is a red in the constellation Octans 974 ly from Earth. Its surface is about 3,503 K, about 0.6 times the Sun's surface temperature, and it shines at 378× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 974 years ago.

974 lybrightness mag 5.78M0/M1III

Also catalogued as HD 1032 · HIP 1074

3,503 K
temperature
5.78
apparent magnitude
378× ☉
luminosity vs Sun
M0/M1III
spectral type
Distance & comparison with our Sun
974 years
at light speed from Earth
0.61×
as hot as the Sun
378×
the Sun's light output
-1.59
absolute magnitude
Explore from here · roam the neighborhood
HR 47M-type
Sky regionOctansthis direction
StarHR 8577120 ly
StarHR 5327200 ly
StarHR 1682200 ly
StarNu Octstar
StarBeta Octstar
Nearest stars
Bright stars in Octans
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.8To see it no equipment neededLook toward Octans

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.