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
baseline
  پایه-خط  
pâye-xatt
Fr.: ligne de base  

  1. In radio interferometry, the separation between the electrical, or phase centers of two interferometer elements.

  2. In spectroscopy, the contribution to a spectrum from phenomena
    that are not of astronomical interest, such as frequency dependent properties of the receivers, or by astronomical sources other than
    those under study.

See also: → base; → line.