T Tauri star

(redirected from T. Tauri Star)

T Tauri star

[′tē ′tȯr·ē ‚stär]
(astronomy)
A star, with mass from 0.5 to 2.5 solar masses, in an early stage of formation at which interaction with its associated nebulosity, as well as possible internal instabilities, make it variable in luminosity and render its spectrum very peculiar. Also known as nebular variable.