B-type star · blue-white star

HR 3443

HR 3443 is a blue-white star in the constellation Carina 447 ly from Earth. Its surface is about 10,150 K, about 1.8 times the Sun's surface temperature, and it shines at 47.12× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 447 years ago.

447 lybrightness mag 6.35A0V

Also catalogued as HD 74148 · HIP 42440

10,150 K
temperature
6.35
apparent magnitude
47.12× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
447 years
at light speed from Earth
1.76×
as hot as the Sun
47.12×
the Sun's light output
0.67
absolute magnitude
Explore from here · roam the neighborhood
HR 3443B-type
Sky regionCarinathis direction
StarHR 365933 ly
StarHR 329840 ly
StarHR 367344 ly
StarMiaplacidusstar
StarAviorstar
Nearest stars
Bright stars in Carina
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Carina

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.