Iota Trianguli Australis (ι TrA / ι Trianguli Australis) is a triple star system in the constellation Triangulum Australe. It is approximately 132 light years from Earth. The primary component, Iota Trianguli Australis A, is a spectroscopic binary with a mean apparent magnitude of +5.28. Both components of the binary star are yellow-white F-type stars and they have an orbital period of 39.8 days.

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  • Iota Trianguli Australis (ι TrA / ι Trianguli Australis) is a triple star system in the constellation Triangulum Australe. It is approximately 132 light years from Earth. The primary component, Iota Trianguli Australis A, is a spectroscopic binary with a mean apparent magnitude of +5.28. Both components of the binary star are yellow-white F-type stars and they have an orbital period of 39.8 days. One of the components of the binary is also classified as a Gamma Doradus type variable star, and the binary's brightness varies by 0.12 magnitudes over a period of 1.45 days. The third component of the star system, Iota Trianguli Australis B, is a 10th magnitude star, 20 arcseconds away from the primary.
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  • +5.28
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dbpprop:dec
  • −64° 03' 29"
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  • 132 ± 4
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  • 40 ± 1
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dbpprop:name
  • ι Trianguli Australis
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  • HR 6109, HD 147787,
    CP-63 3923, HIP 80645,
    SAO 253555, GC 22100,
    CCDM 16280-6403
dbpprop:ra
  • 16h 27m 57.3s
dbpprop:spectral
  • F4IV
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  • Iota Trianguli Australis (ι TrA / ι Trianguli Australis) is a triple star system in the constellation Triangulum Australe. It is approximately 132 light years from Earth. The primary component, Iota Trianguli Australis A, is a spectroscopic binary with a mean apparent magnitude of +5.28. Both components of the binary star are yellow-white F-type stars and they have an orbital period of 39.8 days.
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  • Iota Trianguli Australis
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