K-type star · orange
Beta Ara
Beta Ara is an orange in the constellation Ara 646 ly from Earth. Its surface is about 3,825 K, about 0.7 times the Sun's surface temperature, and it shines at 2,498× the Sun's brightness. At magnitude 2.8 it is bright enough to see with the naked eye; the light you see left it 646 years ago.
Also catalogued as HR 6461 · HD 157244 · HIP 85258
3,825 K
temperature
2.84
apparent magnitude
2,498× ☉
luminosity vs Sun
K3Ib-II
spectral type
Distance & comparison with our Sun
646 years
at light speed from Earth
0.66×
as hot as the Sun
2,498×
the Sun's light output
-3.64
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.