An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 8 Search : photometric
automatic photometric telescope
  دوربین ِ شیدسنجیک ِ خودکار، تلسکوپ ِ ~ ~   
durbin-e šidsanjik-e xodkâr, teleskop-e ~ ~

Fr.: télescope photométrique automatique   

A telescope developed to perform photometric observations automatically.

automatic; → photometric; → telescope.

photometric
  شید-سنجی، شید-سنجیک، نور-سنجی، نور-سنجیک   
šidsanji, šidsanjik, nursanji, nursanjik

Fr.: photométrique   

Pertaining to or related to → photometry.

photometer + → -ic.

photometric band
  باند ِ شیدسنجیک، ~ نورسنجیک   
bând-e šid-sanjik, ~ nur-sanjik

Fr.: bande photométrique   

The range of → wavelengths allowed by a → filter used in a → photometric system.

photometric + → band.

photometric binary
  دُرین ِ شید-سنجیک، ~ نور-سنجیک   
dorin-e šidsanjik, ~ nursanjik

Fr.: binaire photométrique   

A binary star whose binarity is detectable from its variability and light-curve that has certain specific characteristics.

photometric + → binary.

photometric calibration
  کبیزش ِ شید-سنجیک، ~ سنور-سنجیک   
kabizeš-e šidsanjik, ~ nursanjik

Fr.: calibration photométrique   

A calibration which converts the measured relative magnitudes into an absolute photometry.

photometric + → calibration.

photometric parallax
  دیدگشت ِ شیدسنجیک   
didgašt-e šidsanjik

Fr.: parallaxe photométrique   

A method of deriving the distance of a star using its → apparent magnitude and the → absolute magnitude inferred from its → spectral type.

This is a misnomer, because the method has nothing to do with parallax; → photometric; → parallax.

photometric system
  راژمان ِ شید-سنجیک، ~ نور-سنجیک   
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:
AB magnitude system, → five-color system, → Stromgren system, → JHK system, → UBV system, → uvby system.

photometric; → system.

spectrophotometric
  بیناب-شیدسنجیک   
binâb-šidsanjik

Fr.: spectrophotométrie   

Of or relating to → spectrophotometry.

spectrum; → photometry.