An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

Homepage  Preliminaries  Abbreviations  Acknowledgments  References 
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
weak-line T Tauri star
  ستاره‌ی ِ T-گاو با خط‌های ِ نزار  
setâre-ye T-Gâv bâ xatthâ-ye nezâr
Fr.: étoile T Tauri à raies faibles  

A T Tauri star that lacks strong emission lines in its optical spectrum, and lacks both strong → stellar wind and → infrared excess. These objects are believed to be → pre-main sequence stars
without obvious signs for disk → accretion. Weak-line T Tauri stars result from the evolution of → classical T Tauri stars.

See also: → weak; → line; → T Tauri star.