B-type star · blue-white star

HR 4571

HR 4571 is a blue-white star in the constellation Hydra 393 ly from Earth. Its surface is about 10,709 K, about 1.9 times the Sun's surface temperature, and it shines at 41.96× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 393 years ago.

393 lybrightness mag 6.20B9.5V

Also catalogued as HD 103789 · HIP 58272

10,709 K
temperature
6.20
apparent magnitude
41.96× ☉
luminosity vs Sun
B9.5V
spectral type
Distance & comparison with our Sun
393 years
at light speed from Earth
1.86×
as hot as the Sun
41.96×
the Sun's light output
0.79
absolute magnitude
Explore from here · roam the neighborhood
HR 4571B-type
Sky regionHydrathis direction
StarHR 450325 ly
StarHR 465135 ly
StarHR 444938 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.