A-type star · white star

HR 4138

HR 4138 is a white star in the constellation Carina 261 ly from Earth. Its surface is about 9,630 K, about 1.7 times the Sun's surface temperature, and it shines at 71.91× the Sun's brightness. At magnitude 4.7 it is bright enough to see with the naked eye; the light you see left it 261 years ago.

261 lybrightness mag 4.72A2III

Also catalogued as HD 91375 · HIP 51438

9,630 K
temperature
4.72
apparent magnitude
71.91× ☉
luminosity vs Sun
A2III
spectral type
Distance & comparison with our Sun
261 years
at light speed from Earth
1.67×
as hot as the Sun
71.91×
the Sun's light output
0.21
absolute magnitude
Explore from here · roam the neighborhood
HR 4138A-type
Sky regionCarinathis direction
StarHR 372128 ly
StarHR 406534 ly
StarHR 439734 ly
StarMiaplacidusstar
StarAviorstar
Nearest stars
Bright stars in Carina
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.7To 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.