Star profile
Gamma Trianguli Australis
What is Gamma Trianguli Australis
Gamma Trianguli Australis is one of the three vertices that trace the Southern Triangle, a sharp asterism of the deep austral sky. A white A-type star, its light takes around 184 years to cross the void to us. It anchors a luminous trio that has guided southern navigators since long before Europe learned to name those skies.
Where it is and when to see it
Gamma Trianguli Australis lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is May, when it culminates around midnight.
- From London it never rises above the horizon.
- From New York it never rises above the horizon.
- From Sydney it never sets and culminates about 55° up.
It can be seen from anywhere south of 21° N.
It ranks no. 3 in brightness among the 21 stars of Triangulum Australe in our catalogue. To find it, start from Atria, the brightest: it lies about 8° away (a fist at arm's length covers about 10°).
The light you see today left it about 180 years ago.
It opens in your browser. Free, no account, nothing to install.
Leave your signature on Gamma Trianguli Australis
Your name and a message go up on the map for everyone to read. Signing is free.
Without a lock, someone else can replace your signature. How the lock works
We'll ask for an email to confirm it's you, no password.
A public signature from a real person. The chosen name is a symbolic denomination within Stelvia, with no official standing or IAU recognition: the sky is not for sale and belongs to no one.
Astronomical data for Gamma Trianguli Australis
- Constellation
- Triangulum Australe
- Apparent magnitude
- 2.87
- Distance
- 183.9 light years
- Coordinates (J2000)
- RA 229.728° · Dec -68.680°
- Catalogue
- HIP 74946 · HD 135382
A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.
Other stars in Triangulum Australe
Triangulum Australe has 21 stars in Stelvia's catalogue. Here are a few of them.
- AtriaAlpha Trianguli Australis1.91
- Beta Trianguli Australis2.83
- Delta Trianguli Australis3.86
- Epsilon Trianguli Australis4.11
- Zeta Trianguli Australis4.90
- HIP 821295.10
- Kappa Trianguli Australis5.11
- HIP 808745.19