Zeta Gruis

It is visible to the naked eye as a faint, orange-hued star with an apparent visual magnitude of 4.12.

[2] Based upon an annual parallax shift of 24.5 mas as seen from the Earth,[1] the system is located about 133 light-years from the Sun.

This is an evolved K-type giant star with a stellar classification of K1 III Fe−1.2 CN−0.5,[3] where the suffix notation indicates underabundances of iron and cyanogen in the spectrum.

Having exhausted the supply of hydrogen at its core, the star has expanded and cooled; at present it has 10[1] times the girth of the Sun.

The star is radiating 46[1] times the luminosity of the Sun from its swollen photosphere at an effective temperature of 4,778 K.[1]