A-type star · white star

HR 4389

HR 4389 is a white star in the constellation Musca 838 ly from Earth. Its surface is about 9,894 K, about 1.7 times the Sun's surface temperature, and it shines at 157× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 838 years ago.

838 lybrightness mag 6.41B4V

Also catalogued as HD 98695 · HIP 55350

9,894 K
temperature
6.41
apparent magnitude
157× ☉
luminosity vs Sun
B4V
spectral type
Distance & comparison with our Sun
838 years
at light speed from Earth
1.71×
as hot as the Sun
157×
the Sun's light output
-0.64
absolute magnitude
Explore from here · roam the neighborhood
HR 4389A-type
Sky regionMuscathis direction
StarHR 432927 ly
StarHR 442556 ly
StarHD 9512262 ly
StarAlpha Musstar
StarBeta Musstar
Nearest stars
Bright stars in Musca
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook toward Musca

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.