Classical T Tauri stars

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C tt s
dcterms modified equal to or less than 2020-10-26T19:53:42.225Zequal to or more than 2020-10-26T19:53:42.225Z
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definition A T Tauri star in which accretion from a circumstellar disk is responsible for ultraviolet and infrared excess emission and for a moderate to strong emission line spectrum superimposed on the photospheric spectrum. Classical T Tauri stars probably evolve into weak-line T Tauri stars when their disks are fully accreted by the stars.
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