F-type star · yellow-white star
Beta TrA
Beta TrA is a yellow-white star in the constellation Triangulum Australe 40.4 ly from Earth. Its surface is about 7,368 K, about 1.3 times the Sun's surface temperature, and it shines at 9.84× the Sun's brightness. At magnitude 2.8 it is bright enough to see with the naked eye; the light you see left it 40 years ago.
Also catalogued as HR 5897 · HD 141891 · HIP 77952 · Gliese Gl 601A
7,368 K
temperature
2.83
apparent magnitude
9.84× ☉
luminosity vs Sun
F2III
spectral type
Distance & comparison with our Sun
40 years
at light speed from Earth
1.28×
as hot as the Sun
9.84×
the Sun's light output
2.37
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Bright stars in Triangulum Australe
Can you see it tonight?
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.