The GMT telescope metrology system design

Breann N. Sitarski; Andrew Rakich; Hugo Chiquito; Wylie Rosenthal; Antonin H. Bouchez; William Schoenell; Bo Xin; Priscila Pires; Joel Nissen; P. Schurter; Richard T. Demers; Peter Thompson; Brian McLeod; Bijan Nemati; Glenn Brossus; Brian Walls; Heejoo Choi; Guillermo Gonzalez; David Nemati

doi:10.1117/12.2630598

29 August 2022 The GMT telescope metrology system design

Breann N. Sitarski, Andrew Rakich, Hugo Chiquito, Wylie Rosenthal, Antonin H. Bouchez, William Schoenell, Bo Xin, Priscila Pires, Joel Nissen, P. Schurter, Richard T. Demers, Peter Thompson, Brian McLeod, Bijan Nemati, Glenn Brossus, Brian Walls, Heejoo Choi, Guillermo Gonzalez, David Nemati

Author Affiliations +

Proceedings Volume 12182, Ground-based and Airborne Telescopes IX; 1218207 (2022) https://doi.org/10.1117/12.2630598
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

The Giant Magellan Telescope will be a 25.4-m visible and infrared telescope at Las Campanas Observatory. The optical design consists of 7 8.4-m primary mirror segments that reflect light to 7 secondary mirror segments in a doubly segmented direct Gregorian configuration. GMT is developing a Telescope Metrology System (TMS) to decrease the complexity of alignment and increase observatory efficiency. The TMS has been developed to Preliminary Design Review level. A prototyping, modelling, and analysis effort has been completed. All components of the system were matured, and the edge-sensing strategy was significantly revised. This paper describes the current TMS design.

Conference Presentation

Citation Download Citation

Breann N. Sitarski, Andrew Rakich, Hugo Chiquito, Wylie Rosenthal, Antonin H. Bouchez, William Schoenell, Bo Xin, Priscila Pires, Joel Nissen, P. Schurter, Richard T. Demers, Peter Thompson, Brian McLeod, Bijan Nemati, Glenn Brossus, Brian Walls, Heejoo Choi, Guillermo Gonzalez, and David Nemati "The GMT telescope metrology system design", Proc. SPIE 12182, Ground-based and Airborne Telescopes IX, 1218207 (29 August 2022); https://doi.org/10.1117/12.2630598

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available