M-type star · red

HR 4445

HR 4445 is a red in the constellation Hydra 718 ly from Earth. Its surface is about 3,555 K, about 0.6 times the Sun's surface temperature, and it shines at 147× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 718 years ago.

718 lybrightness mag 6.15M2III

Also catalogued as HD 100307 · HIP 56293

3,555 K
temperature
6.15
apparent magnitude
147× ☉
luminosity vs Sun
M2III
spectral type
Distance & comparison with our Sun
718 years
at light speed from Earth
0.62×
as hot as the Sun
147×
the Sun's light output
-0.56
absolute magnitude
Explore from here · roam the neighborhood
HR 4445M-type
Sky regionHydrathis direction
StarChi² Hya77 ly
StarHR 4307100 ly
StarHR 4348130 ly
StarGamma Hyastar
StarZeta Hyastar
Nearest stars
Bright stars in Hydra
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To see it 50 mm binocularsLook 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.