Astrophysics (index)

Photometer

(instrument measuring brightness)

A Photometer is an instrument measuring brightness, used in observing stars, etc., i.e., determining their Magnitude.


(EMR,visible light)
http://en.wikipedia.org/wiki/Photometer

Referenced by:
Gaia
Hubble Space Telescope (HST)
Mercator Telescope
SPHEREx
Spitzer Space Telescope (SST)
2dF Galaxy Redshift Survey (2dFGRS)

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