ultraviolet excess — An Etymological Dictionary of Astronomy and Astrophysics

ultraviolet excess

فزونی ِ فرابنفش، فرهبود ِ اولتر-بنفش

fozuni-ye farâbanafš, ferehbud-e ultar-banafš

Fr.: excès ultraviolet

Ultraviolet emission from an object in excess of that expected for a reference.
For example, → subdwarf stars show ultraviolet excess with respect to that expected from a star with → solar metallicity
at a given → effective temperature. In this case, UV excess results from smaller → line blanketing in
→ population II stars.

See also: → ultraviolet; → excess.

An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک