transition disk — An Etymological Dictionary of Astronomy and Astrophysics

transition disk

گرده‌ی ِ گذرش، دیسک ِ ~

gerde-ye gozaresh, disk-e ~

Fr.: disque de transition

The → accretion disk of a → T Tauri star that displays very weak or no → infrared excess at → near infrared wavelengths, but shows strong excess at → intermediate infrared and longer wavelengths.
This happens when the hot inner dust disk has dissipated whereas the cooler outer disk is still intact.

See also: → transition; → disk.

An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک