B-type star · blue-white star

HR 7933

HR 7933 is a blue-white star in the constellation Microscopium 325 ly from Earth. Its surface is about 11,216 K, about 1.9 times the Sun's surface temperature, and it shines at 55.41× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 325 years ago.

325 lybrightness mag 5.48B8/B9V

Also catalogued as HD 197630 · HIP 102497

11,216 K
temperature
5.48
apparent magnitude
55.41× ☉
luminosity vs Sun
B8/B9V
spectral type
Distance & comparison with our Sun
325 years
at light speed from Earth
1.94×
as hot as the Sun
55.41×
the Sun's light output
0.49
absolute magnitude
Explore from here · roam the neighborhood
HR 7933B-type
Sky regionMicroscopiumthis direction
StarHR 779930 ly
StarKappa² Sgr32 ly
StarHR 770642 ly
StarGamma Micstar
StarEpsilon Micstar
Nearest stars
Bright stars in Microscopium
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.5To see it no equipment neededLook toward Microscopium

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.