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GNAO

Gemini North
Last Modified: 
Wednesday, December 20, 2023 - 10:21

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The Gemini North Adaptive Optics system (GNAO) is the next-generation adaptive optics facility for the Gemini-North telescope, developed as part of the National Science Foundation-funded Gemini in the Era of Multi-Messenger Astronomy (GEMMA) program. GNAO will replace the current single-conjugate ALTAIR facility with a modern wide-field adaptive optics (AO) system for science in the near-infrared, supported by four laser guide stars and fully integrated into the Gemini queue observing. The design of GNAO is optimized for two main modes:

  • Narrow-field mode: Near-diffraction-limited performance over an approximately 20”x20” field of view (via laser tomography AO)
  • Wide-field mode: Seeing-enhanced performance over a 2-arcmin diameter field-of-view (via ground-layer AO).

Together with its primary science instrument - the Gemini Infrared Multi-object Spectrograph (GIRMOS) - GNAO will provide powerful capabilities for time-domain astronomy at high angular resolution, spatially-resolved spectroscopic surveys, and a wide range of solar system to extragalactic science cases.

 For more information, please see the following:

  • GNAO design 
  • GNAO science 
  • GNAO team 
  • GNAO publications 

GNAO will feed GIRMOS as primary science instrument but is also availabe as an AO facility to provide the AO-compensated beam to any f/32 compatible science instrument. 

International Gemini Observatory

The International Gemini Observatory  provides the astronomical communities in six participant countries with state-of-the-art astronomical facilities that allocate observing time in proportion to each country's contribution. In addition to financial support, each country also contributes significant scientific and technical resources. The national research agencies that form the Gemini partnership include: the US National Science Foundation (NSF), the Canadian National Research Council (NRC), the Chilean Agencia Nacional de Investigación y Desarrollo (ANID), the Brazilian Ministério da Ciência, Tecnologia e Inovação, the Argentinean Ministerio de Ciencia, Tecnología e Innovación, and the Korea Astronomy and Space Institute (KASI). The observatory is managed by the Association of Universities for Research in Astronomy, Inc. (AURA) under a cooperative agreement with the NSF. The NSF also serves as the executive agency for the international partnership.     


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