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William Herschel Telescope

GHaFaS: Galaxy Halpha Fabry-Perot System

— Fabry-Perot spectrometer —

First light: 6 July 2007.

Designed and built by: Université de Montréal, with partners at the Observatoire de Marseille and the Instituto de Astrofísica de Canarias.

Description: It is a new generation Fabry-Perot interferometer, whose chief and powerful advantage over traditional systems which have been used on telescopes is the high sensitivity photon counting detector.


Instrument information:


Scientific impact:

Scientific highlights (6).

Publications (26).

Public impact:

Media releases (6).


Photo archive (1).

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Contact:  (Public Relations Officer)
Last modified: 06 June 2020