M-type star · red

HR 4163

HR 4163 is a red in the constellation Hydra 679 ly from Earth. Its surface is about 2,515 K, about 0.4 times the Sun's surface temperature, and it shines at 418× the Sun's brightness. At magnitude 4.9 it is bright enough to see with the naked eye; the light you see left it 679 years ago.

679 lybrightness mag 4.89C

Also catalogued as HD 92055 · HIP 52009

2,515 K
temperature
4.89
apparent magnitude
418× ☉
luminosity vs Sun
C
spectral type
Distance & comparison with our Sun
679 years
at light speed from Earth
0.44×
as hot as the Sun
418×
the Sun's light output
-1.70
absolute magnitude
Explore from here · roam the neighborhood
HR 4163M-type
Sky regionHydrathis direction
StarHR 428473 ly
StarHR 403475 ly
StarPhi² Hya86 ly
StarGamma Hyastar
StarZeta Hyastar
Nearest stars
Bright stars in Hydra
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.9To see it no equipment neededLook toward Hydra

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.