A-type star · white star
Gamma TrA
Gamma TrA is a white star in the constellation Triangulum Australe 184 ly from Earth. Its surface is about 9,954 K, about 1.7 times the Sun's surface temperature, and it shines at 197× the Sun's brightness. At magnitude 2.9 it is bright enough to see with the naked eye; the light you see left it 184 years ago.
Also catalogued as HR 5671 · HD 135382 · HIP 74946
9,954 K
temperature
2.87
apparent magnitude
197× ☉
luminosity vs Sun
A1V
spectral type
Distance & comparison with our Sun
184 years
at light speed from Earth
1.72×
as hot as the Sun
197×
the Sun's light output
-0.89
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.