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JHK photometric system

(JHK, 2MASS photometric system)
(system to classify stars according to near-infrared colors)

The JHK photometric system (2MASS photometric system or JHK) is a photometric system that uses the J (1220nm), H (1630nm), and K (2190nm) bands/filters to record the various colors within the near infrared. It was used by the Two Micron All-sky Survey (2MASS).


(EMR,color,magnitude,photometry)
http://en.wikipedia.org/wiki/Photometric_system
http://obswww.unige.ch/gcpd/ph25.html

Referenced by:
Two Micron All-sky Survey (2MASS)

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