Star profile
Zeta Trianguli Australis
Nearby starWhat is Zeta Trianguli Australis
Zeta Trianguli Australis is a close neighbour, lying only 39.5 light-years from us in a small southern constellation easily recognised by its sharp triangular shape. It is a yellow-white F-type star, slightly hotter and brighter than the Sun, in a region of sky that appears only to observers in the southern hemisphere or in tropical latitudes. Its light, young in cosmic terms, travels from before the birth of anyone alive today.
Where it is and when to see it
Zeta 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 June, 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 54° up.
It can be seen from anywhere south of 20° N.
It ranks no. 6 in brightness among the 21 stars of Triangulum Australe in our catalogue. To find it, start from Atria, the brightest: it lies about 2° away (a fist at arm's length covers about 10°).
The light you see today left it about 40 years ago.
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Astronomical data for Zeta Trianguli Australis
- Constellation
- Triangulum Australe
- Apparent magnitude
- 4.90
- Distance
- 39.5 light years
- Coordinates (J2000)
- RA 247.116° · Dec -70.084°
- Catalogue
- HIP 80686 · HD 147584
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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
- Gamma Trianguli Australis2.87
- Delta Trianguli Australis3.86
- Epsilon Trianguli Australis4.11
- HIP 821295.10
- Kappa Trianguli Australis5.11
- HIP 808745.19