NOTABLE STARS
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    Atria (Alpha Trianguli Australis)

    Atria
    Photo: ESO Online Digitized Sky Survey
    A giant K star and the brightest star in the constellation Triangulum Australe. There are indications of strong flare activity on its surface, and a small and faint binary companion has recently been detected.


    visual magnitude 1.91
    absolute magnitude -3.62
    spectral type K2IIb-IIIa
    luminosity 2,000 Lsun
    distance 420 light-years (130 pc)
    position R.A. 16h 48m 39.9s,
    Dec. -69° 1' 40"
    other designations HR 6217, CD -68°2822,
    HD 150798, SAO 253700,
    FK5 625, GC 22558,
    HIP 82273


    Related category

       • NOTABLE STARS





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