B-type star · blue-white star
Arkab Prior
Arkab Prior is a blue-white star in the constellation Sagittarius 314 ly from Earth. Its surface is about 11,327 K, about 2.0 times the Sun's surface temperature, and it shines at 210× the Sun's brightness. At magnitude 4.0 it is bright enough to see with the naked eye; the light you see left it 314 years ago.
Also catalogued as Beta¹ Sgr · HR 7337 · HD 181454 · HIP 95241
11,327 K
temperature
3.96
apparent magnitude
210× ☉
luminosity vs Sun
B9V
spectral type
Distance & comparison with our Sun
314 years
at light speed from Earth
1.96×
as hot as the Sun
210×
the Sun's light output
-0.95
absolute magnitude
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VISIBLE TO THE NAKED EYE
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.