TT Aquilae
Encyclopedia
TT Aquilae is a classical Cepheid variable
(delta Cep type).
Cepheid variable
A Cepheid is a member of a class of very luminous variable stars. The strong direct relationship between a Cepheid variable's luminosity and pulsation period, secures for Cepheids their status as important standard candles for establishing the Galactic and extragalactic distance scales.Cepheid...
(delta Cep type).