K-type star · orange
Atria
Atria is an orange in the constellation Triangulum Australe 391 ly from Earth. Its surface is about 3,875 K, about 0.7 times the Sun's surface temperature, and it shines at 2,152× the Sun's brightness. At magnitude 1.9 it is bright enough to see with the naked eye; the light you see left it 391 years ago.
Also catalogued as Alpha TrA · HR 6217 · HD 150798 · HIP 82273
3,875 K
temperature
1.91
apparent magnitude
2,152× ☉
luminosity vs Sun
K2IIb-IIIa
spectral type
Distance & comparison with our Sun
391 years
at light speed from Earth
0.67×
as hot as the Sun
2,152×
the Sun's light output
-3.48
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.