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News

TMT Monrovia Lab Visit
August 22nd, 2023 Education & Outreach

On 18 July 2023, Sergio Salata, Astronomy Project Manager of Added Value Solutions (AVS) in Tenerife, visited the TMT office to tell us about the astronomy projects and other science equipment development projects the AVS company had been involved with. His short talk and discussions with project staff covered astronomy instrumentation, cooling,...

TMT Refrigeration Cooling System Proceeds to Preliminary Design Phase
June 6th, 2023 Engineering & Technology

The TMT Refrigeration Cooling System (REFR) will proceed to the Preliminary Design phase next year after successfully passing its Conceptual Design Review closeout meeting on May 3, 2023.

TMT Mirrors Alignment and Phasing System Progress
June 2nd, 2023 Engineering & Technology

How will TMT make its 492 primary mirror segments behave as a single mirror of 30 meter diameter? TMT’s Alignment and Phasing System (APS) team has come up with the solution that will keep all of TMT’s mirrors aligned to a high precision of about 10 nm root-mean-square (RMS).

TMT’s Telescope Structure Readies for Production
March 23rd, 2023 Engineering & Technology

TMT’s telescope structure subsystem (STR) recently completed two successful Production Readiness Reviews (PRR2 and PRR3) to assess the availability of adequate resources and planning for production, and later for assembly, integration and verification. The STR’s design and future fabrication are activities led by NAOJ and their prime contractor Mitsubishi Electric Corporation (MELCO) in Japan.

National Science Foundation Begins Environmental Review Process
July 19th, 2022

The National Science Foundation (NSF) today issued a Notice of Intent to prepare an Environmental Impact Statement (EIS) and to initiate Section 106 consultation for a potential NSF investment in the construction and operation of the Thirty Meter Telescope.

TMT’s Statement on Astro2020 Decadal Survey
November 4th, 2021 Astro2020 Decadal Survey

Henry Yang, Board Chair, Thirty Meter Telescope International Observatory, issued the following statement in response to today’s release of the Pathways to Discovery in Astronomy and Astrophysics for the 2020s Decadal Survey:

TMT successfully passes a formal milestone review for the planning of its future operations
October 1st, 2021 Science & Astronomy

TMT recently achieved a major project milestone, with a review Board, mainly composed of external reviewers, concluding that its plans for Observatory Operations, Commissioning and Data-Management (OCDM) have reached sufficient maturity at this stage of the project design. Concretely, this positive preliminary review means that TMT’s operations plans are ready for the next rounds of Project reviews, which will assess not only operations but...

TMT Laser Guide Star Facility Passes Design Milestone
June 3rd, 2021 Engineering & Technology

The TMT Laser Guide Star Facility (LGSF) has successfully completed the first phase of its Preliminary Design Review (PDR1). The LGSF will be responsible for generating artificial laser guide stars that will be used with TMT’s Adaptive Optics (AO) systems, including NFIRAOS, the Observatory’s first-light AO facility.

TMT Mirror Segment Handling Equipment Passes Preliminary Design Review
May 27th, 2021 Engineering & Technology

The handling equipment for TMT primary mirror (M1) segment recently passed its Preliminary Design Review. The custom-designed equipment and tooling will be used to safely handle mirrors within the observatory during operational activities.

TMT’s Telescope Utility Services Final Design Reaches Huge Milestone
January 26th, 2021 Engineering & Technology

As an extremely complex organization of systems all interacting together, TMT will require an elaborate Telescope Utility Services (TUS) infrastructure to enable operations within the observatory, across the summit facilities, enclosure, and telescope. The first tier of TMT’s TUS successfully passed its Final Design review, covering elements of the design that pertain to the Telescope Structure and its various interfaces, via video...

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