The Fixed Stars

Tiansi

Navi, Gamma Cassiopeiae, Tsih

An informal modern name; the whip, Tsih, in the Chinese.

The restless central star of the W, a flaring variable at the queen's waist.

Gamma Cassiopeiae is the bright, unstable central star of the W, an eruptive variable. It carries no old proper name; Navi is a twentieth-century nickname, and Tsih, the whip, is its Chinese title.

IAU name Tiansi confirmed on 2026-10-21 against two independent lists, exopla.net and Wikipedia; the IAU bulletin itself was not fetched.