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Alpha Trianguli
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<p>Alpha Trianguli (α Trianguli, abbreviated Alpha Tri, α Tri) is a <a href="/facts/Binary_star/TYlDe1bD">spectroscopic binary star</a> in the <a href="/facts/Constellation/nBQqgW8A">constellation</a> of <a href="/facts/Triangulum/v43UEW8L">Triangulum</a>. Based on <a href="/facts/Stellar_parallax/ywI9UWEJ">parallax</a> measurements obtained during the <a href="/facts/Hipparcos/Th2HW7VN">Hipparcos</a> mission, it is approximately 63.3 <a href="/facts/Light-year/IGc5NdQb">light-years</a> (19.4 <a href="/facts/Parsec/SwSsk57J">parsecs</a>) distant from the <a href="/facts/Sun/CadPCVHh">Sun</a>. The brighter or primary component is named Mothallah /məˈθælə/. </p>