An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian
فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک
M. Heydari-Malayeri - Paris Observatory
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photometric system râžmân-e šidsanjik, ~ nursanjik Fr.: système photométrique A system of → magnitudes, each of them characterized by a set of
well-defined → passbands
(or → filters) with known
→ response curves. The system is defined by the values given for
the → standard stars.
See also: → photometric; → system. |
