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Proceedings Article

The new MMT

[+] Author Affiliations
Dan Blanco, Michael Alegria, Dusty Clark, Brian Comisso, J. D. Gibson, Carol Heller, Ron James, Bill Kindred, Steve King, Cory Knop, Howard Lester, John McAfee, Alejandra A. E. Milone, Ricardo Ortiz, Timothy E. Pickering, Phil Ritz, Barbara Russ, Dennis Smith, Peter Spencer, Tom Trebisky, Ken Van Horn, Court Wainwright, Grant Williams, J. T. Williams

MMT Observatory, Smithsonian Institution and Univ. of Arizona (USA)

Shawn Callahan, Gary Schmidt, Steven C. West

Steward Observatory/Univ. of Arizona (USA)

Craig B. Foltz

National Science Foundation (USA)

Proc. SPIE 5489, Ground-based Telescopes, 300 (September 28, 2004); doi:10.1117/12.551963
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From Conference Volume 5489

  • Ground-based Telescopes
  • Jacobus M. Oschmann, Jr.
  • USA | June 21, 2004

abstract

Originally commissioned in 1979, the Multiple Mirror Telescope was a highly innovative and successful facility that pioneered many of the technologies that are used in the new generation of 8 to 10 m class telescopes. After 19 years of operations the MMT was decommissioned in March of 1998: the enclosure was modified, the optics support structure was replaced, and a single 6.5-meter primary mirror was installed and aluminized in-situ. First light for the new MMT was celebrated on May 13, 2000. Operations began with an f/9 optical configuration compatible with existing instruments. Work has continued commissioning two new optical configurations that will serve a suite of new instruments: an f/15 deformable secondary mirror and adaptive optics facility that has obtained diffraction-limited images; and an f/5.4 secondary mirror and refractive corrector that provides a one-degree diameter field of view. The wide-field instrument suite includes two fiber-fed bench spectrographs, a robotic fiber positioner, and a wide-field imaging camera.

© (2004) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Dan Blanco ; Michael Alegria ; Shawn Callahan ; Dusty Clark ; Brian Comisso, et al.
"The new MMT", Proc. SPIE 5489, Ground-based Telescopes, 300 (September 28, 2004); doi:10.1117/12.551963; http://dx.doi.org/10.1117/12.551963


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