B-type star · blue-white star

HR 1234

HR 1234 is a blue-white star in the constellation Perseus 395 ly from Earth. Its surface is about 10,188 K, about 1.8 times the Sun's surface temperature, and it shines at 35.58× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 395 years ago.

395 lybrightness mag 6.39A0V

Also catalogued as HD 25152 · HIP 18769

10,188 K
temperature
6.39
apparent magnitude
35.58× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
395 years
at light speed from Earth
1.77×
as hot as the Sun
35.58×
the Sun's light output
0.97
absolute magnitude
Explore from here · roam the neighborhood
HR 1234B-type
Sky regionPerseusthis direction
StarHR 122632 ly
StarHR 132842 ly
StarHR 133743 ly
StarMirfakstar
StarZeta Perstar
Nearest stars
Bright stars in Perseus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook toward Perseus

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.