- Iota Trianguli Australis
Starbox short
name=ι Trianguli Australis
epoch=J2000.0
constell=Triangulum Australe
ra=16h 27m 57.3s
dec=−64° 03' 29"
spectral=F4IV
appmag_v=+5.28
dist_ly=132 ± 4
dist_pc=40 ± 1
names=HR 6109, HD 147787,
CP-63 3923, HIP 80645,
SAO 253555, GC 22100,
CCDM 16280-6403Iota Trianguli Australis (ι TrA / ι Trianguli Australis) is a
triple star system in theconstellation Triangulum Australe . It is approximately 132light years fromEarth .The primary component, Iota Trianguli Australis A, is a
spectroscopic binary with a meanapparent 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 typevariable 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 B, is a 10th magnitude star, 20arcsecond s away from the primary.
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