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Gemini north adaptive optics (GNAO): An MCAO system for Gemini North towards conceptual design

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dc.contributor.authorSivo, Gaetano
dc.contributor.authorPalmer, David
dc.contributor.authorScharwaechter, Julia
dc.contributor.authorAndersen, Morten
dc.contributor.authorProvost, Natalie
dc.contributor.authorvan Dam, Marcos A
dc.contributor.authorChinn, Brian
dc.contributor.authorChirre, Emmanuel
dc.contributor.authorCavedoni, Charles
dc.contributor.authorSchneider, Thomas
dc.contributor.authorKang, Stacy
dc.contributor.authorLazo, Manuel
dc.contributor.authorRigaut, Francois
dc.coverage.spatialQuebec City, Canada
dc.date.accessioned2024-07-23T05:18:47Z
dc.date.available2024-07-23T05:18:47Z
dc.date.created9-14 June
dc.date.issued2019
dc.date.updated2023-11-26T07:15:45Z
dc.description.abstractGemini Observatory has been awarded from the National Science Foundation a major fund to build a new state-of-the-art Multi Conjugate Adaptive Optics facility for Gemini North on Maunakea called GNAO. The current baseline system will use two lasers each split in two to create an artificial constellation of four laser guide star to measure the distortions caused by the atmosphere. At least two deformable mirror conjugated to 0km and the main altitude layer above Maunakea will be used to correct these distortions. The facility will be designed to feed future instrumentation, initially a near infrared imager and potentially a visiting 4-arm multi object adaptive optics IFU spectrograph.1 In this paper I will present the main characteristics of this exciting facility, its promises and its challenges. I will also present its conceptual design and results of trade studies conducted within the team and the Gemini Adaptive Optics Working Group. The expected first light is for October 2024.
dc.description.sponsorshipBased on observations obtained at the Gemini Observatory, which is operated by the Association of Universities for Research in Astronomy, Inc., under a cooperative agreement with the NSF on behalf of the Gemini partnership: the National Science Foundation (United States), National Research Council (Canada), CONICYT (Chile), Ministerio de Ciencia, Tecnolog´ ıa e Innovaci´on Productiva (Argentina), Minist´ erio da Ciˆ encia, Tecnologia e Inova¸ c˜ao (Brazil), and Korea Astronomy and Space Science Institute (Republic of Korea). Gemini Observatory thanks the National Science Foundation for the GEMMA award.
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.urihttps://hdl.handle.net/1885/733714154
dc.language.isoen_AUen_AU
dc.publisherAdaptive Optics for Extremely Large Telescopes
dc.relation.ispartofAO4ELT 2019 - Proceedings 6th Adaptive Optics for Extremely Large Telescopes
dc.relation.ispartofseries6th International Conference on Adaptive Optics for Extremely Large Telescopes, AO4ELT
dc.rights© 2019 Adaptive Optics for Extremely Large Telescopes
dc.sourceProceedings of the 6th International Conference on Adaptive Optics for Extremely Large Telescopes
dc.subjectAdaptive optics
dc.subjectGemini observatory
dc.subjectGeMS
dc.subjectGNAO
dc.subjectHigh angular resolution
dc.subjectMulti-conjugate adaptive optics
dc.titleGemini north adaptive optics (GNAO): An MCAO system for Gemini North towards conceptual design
dc.typeConference paper
local.bibliographicCitation.lastpage12
local.bibliographicCitation.startpage1
local.contributor.affiliationSivo, Gaetano, Gemini South Observatory
local.contributor.affiliationPalmer, David, Gemini North Observatory
local.contributor.affiliationScharwaechter, Julia, Gemini Observatory
local.contributor.affiliationAndersen, Morten, Gemini Observatory
local.contributor.affiliationProvost, Natalie, Gemini South Observatory
local.contributor.affiliationvan Dam, Marcos A, Flat Wavefronts
local.contributor.affiliationChinn, Brian, Gemini South Observatory,
local.contributor.affiliationChirre, Emmanuel, Gemini South Observatory
local.contributor.affiliationCavedoni, Charles, Gemini North Observatory
local.contributor.affiliationSchneider, Thomas, Gemini North Observatory
local.contributor.affiliationKang, Stacy, Gemini North
local.contributor.affiliationLazo, Manuel, Gemini Observatory
local.contributor.affiliationRigaut, Francois, College of Science, ANU
local.contributor.authoruidRigaut, Francois, u5090915
local.description.embargo2099-12-31
local.description.notesImported from ARIES
local.description.refereedNo
local.identifier.absfor510102 - Astronomical instrumentation
local.identifier.absseo280120 - Expanding knowledge in the physical sciences
local.identifier.ariespublicationa383154xPUB29777
local.identifier.scopusID2-s2.0-85084945548
local.type.statusPublished Version

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