B-type star · blue-white star

HR 4239

HR 4239 is a blue-white star in the constellation Carina 736 ly from Earth. Its surface is about 10,027 K, about 1.7 times the Sun's surface temperature, and it shines at 203× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 736 years ago.

736 lybrightness mag 5.85B9.5IV/V

Also catalogued as HD 93943 · HIP 52922

10,027 K
temperature
5.85
apparent magnitude
203× ☉
luminosity vs Sun
B9.5IV/V
spectral type
Distance & comparison with our Sun
736 years
at light speed from Earth
1.74×
as hot as the Sun
203×
the Sun's light output
-0.92
absolute magnitude
Explore from here · roam the neighborhood
HR 4239B-type
Sky regionCarinathis direction
StarHR 412840 ly
StarHR 417957 ly
StarHD 9745169 ly
StarMiaplacidusstar
StarAviorstar
Nearest stars
Bright stars in Carina
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.8To see it no equipment neededLook 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.