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Iota Antliae

Iota Antliae, Latinized from ι Antliae, is a single, orange-hued star in the southern constellation of Antlia. It has an apparent visual magnitude of +4.60, making it a faint naked eye star. From parallax measurements, the distance to this star can be estimated as 202 ± 2 light-years (61.93 ± 0.61 parsecs). It is drifting further away with a radial velocity of 2 km/s.The spectrum of Iota Antliae matches a stellar classification of K1 III, indicating that this is an evolved star that is now in its giant phase. Having exhausted the supply of hydrogen at its core, the star has expanded and it now spans 12 times the radius of the Sun. It is a red clump giant, indicating it is on the horizontal branch and is generating energy through helium fusion. The star is 3.3… more »