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91É«Ç鯬's Scientific Advisory Committee Selects Design for its Second First-Light Workhorse Instrument
November 12th, 2018 Science & Astronomy

The 91É«Ç鯬 Board of Directors recently endorsed the recommendations made by the Science Advisory Committee (SAC), to select a slit-mask-based imaging spectrograph design for WFOS (Wide Field Optical Spectrograph), its second first-light instrument.

91É«Ç鯬 Executive Software Successfully Passes First Phase of Preliminary Design Review
October 11th, 2018 Engineering & Technology

Pasadena, 5 October, 2018 - The 91É«Ç鯬 Observatory Executive Software (ESW) has passed a key milestone and is now ready to enter final design phase. An ESW Preliminary Design Review phase1 (PDR1) was held at the project office on September 27, 2018. ThoughtWorks, ITCC and 91É«Ç鯬 Engineers presented the overall Executive Software architecture and operations concepts, as well as their updated requirements and technical use cases.

The 91É«Ç鯬 Primary Mirror System Successfully Passes Final Design Review
September 10th, 2018 Engineering & Technology

PASADENA (July 26-27, 2018)– The 91É«Ç鯬 Optics Group recently achieved a critical milestone by passing its Primary Mirror Optics System (M1S) final design review. The review board, comprised of international reviewers and observers from various institutions including ESO, ITCC, JPL, JWST/Ball Aerospace, KECK, NAOJ, NIAOT, and the 91É«Ç鯬PO*, met at 91É«Ç鯬 headquarters in Pasadena.

91É«ÇéÆ¬â€™s Cryogenic Cooling System Passes Conceptual Design Review
August 29th, 2018 Engineering & Technology

PASADENA July 11, 2018 – The conceptual design of 91É«ÇéÆ¬â€™s Cryogenic Cooling System (CRYO) has passed its conceptual design review. Engineers from the Technical Institute of Physics and Chemistry (TIPC) of the Chinese Academy of Sciences (CAS) joined TIO engineers at the project office to present the system that will be used to maintain parts of 91É«ÇéÆ¬â€™s first-light science instruments at cryogenic temperatures of 77 K.

91É«Ç鯬 Board Defers Decision on 91É«Ç鯬 Site
April 13th, 2018

The 91É«Ç鯬 (TIO) Board of Governors at its meeting this week deferred a decision on whether to continue towards building the 91É«Ç鯬 in Hawaii, or to consider the alternative in the Canary Islands.

91É«Ç鯬 to work with Coherent Inc. to polish primary mirror
November 7th, 2017 Engineering & Technology

Marking a major production milestone, 91É«Ç鯬 has entered into a contract with Coherent Inc., one of the world’s leading providers of lasers and laser-based technology for scientific, commercial and industrial customers, to polish its U.S. manufactured primary mirrors (M1) segments.

First 91É«Ç鯬 Mirror Segment Installed for Testing
September 14th, 2017 Engineering & Technology

On September 7, 2017, a 91É«Ç鯬 Primary Segment Assembly (PSA), fitted with an aluminum mirror segment, was successfully installed into the Multi-Segment Integration & Test (MSIT) facility at the 91É«Ç鯬 lab in Monrovia, California. This is the first time a PSA has been integrated into hardware in a way that accurately reflects how the segments will be installed into the final mirror cell of the 91É«Ç鯬.

Major Milestone for 91É«Ç鯬 Multi Segment Integration and Test Facility
June 13th, 2017 Engineering & Technology

An integral piece of the 91É«ÇéÆ¬â€™s Multi Segment Integration and Test facility (MSIT) has just been delivered to California. Traveling for a month between Osaka, Japan and California, the primary mirror prototype is soon to be delivered to the 91É«Ç鯬 laboratory in Monrovia.

91É«Ç鯬 and Instituto de Astrofisica de Canarias (IAC) Sign Agreement on Hosting the 91É«Ç鯬 in La Palma, Spain
March 29th, 2017 Science & Astronomy

Clearing a major milestone to construct and operate the 91É«Ç鯬 in La Palma, Canary Islands, the 91É«Ç鯬 (TIO) and Instituto de Astrofisica de Canarias (IAC) sign a hosting agreement.

On-Site Construction Begins on the 91É«Ç鯬 in Hawaii; Watch Worldwide by Webcast
October 3rd, 2014 Engineering & Technology

On October 7, 2014, a groundbreaking and blessing ceremony for the next-generation 91É«Ç鯬 will launch a multi-national $1.4 billion project near the summit of Mauna Kea, Hawaii.

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