Theta Gruis, Latinized from θ Gruis, is a triple star[3] system in the southern constellation of Grus.
Its combined apparent visual magnitude is 4.28,[2] which is bright enough to be seen with the naked eye.
The system contains a magnetic Delta Delphini-like[9] F5 star with a close fainter companion, plus a more distant G2 main sequence star.
[3]