Status of the Giant Magellan Telescope (GMT) project

Matt Johns, J Roger P Angel, Stephen Shectman, Rebecca Bernstein, Daniel Fabricant, Patrick McCarthy, Mark Phillips

Research output: Chapter in Book/Report/Conference proceedingConference contribution

38 Citations (Scopus)

Abstract

The Giant Magellan Telescope (GMT) is a joint project of a consortium of universities and research institutions to build and operate a 21.5-m equivalent aperture astronomical telescope for use at visible and IR wavelengths. This paper briefly summarizes the science goals for the project and provides an overview of the preliminary telescope and enclosure concepts and site test program. The telescope is a Gregorian design with a fast, f/0.7, primary mirror that allows a compact and stiff mount structure. The 25.3-meter diameter primary mirror consists of six off-axis 8.4-meter circular mirrors arranged in a hexagon around a center 8.4-meter mirror. The Gregorian secondary mirror is adaptive allowing two-mirror, wide-field adaptive optics. Several corrector designs have been studied for wide-field applications and one such design is shown. Instruments being considered for GMT provide a wide range of scientific capabilities. Instruments mount below the primary mirror on an instrument platform. Instrument mounting and servicing provisions are summarized.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsJ.M. Oschmann, Jr.
Pages441-453
Number of pages13
Volume5489
EditionPART 1
DOIs
StatePublished - 2004
EventGround-based Telescopes - Glasgow, United Kingdom
Duration: Jun 21 2004Jun 25 2004

Other

OtherGround-based Telescopes
CountryUnited Kingdom
CityGlasgow
Period6/21/046/25/04

Fingerprint

Telescopes
telescopes
Mirrors
mirrors
Adaptive optics
hexagons
mounting
enclosure
Enclosures
Mountings
adaptive optics
platforms
apertures
Wavelength
wavelengths

Keywords

  • Conceptual design
  • Giant Magellan Telescope
  • GMT Project

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Johns, M., Angel, J. R. P., Shectman, S., Bernstein, R., Fabricant, D., McCarthy, P., & Phillips, M. (2004). Status of the Giant Magellan Telescope (GMT) project. In J. M. Oschmann, Jr. (Ed.), Proceedings of SPIE - The International Society for Optical Engineering (PART 1 ed., Vol. 5489, pp. 441-453) https://doi.org/10.1117/12.550741

Status of the Giant Magellan Telescope (GMT) project. / Johns, Matt; Angel, J Roger P; Shectman, Stephen; Bernstein, Rebecca; Fabricant, Daniel; McCarthy, Patrick; Phillips, Mark.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / J.M. Oschmann, Jr. Vol. 5489 PART 1. ed. 2004. p. 441-453.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Johns, M, Angel, JRP, Shectman, S, Bernstein, R, Fabricant, D, McCarthy, P & Phillips, M 2004, Status of the Giant Magellan Telescope (GMT) project. in JM Oschmann, Jr. (ed.), Proceedings of SPIE - The International Society for Optical Engineering. PART 1 edn, vol. 5489, pp. 441-453, Ground-based Telescopes, Glasgow, United Kingdom, 6/21/04. https://doi.org/10.1117/12.550741
Johns M, Angel JRP, Shectman S, Bernstein R, Fabricant D, McCarthy P et al. Status of the Giant Magellan Telescope (GMT) project. In Oschmann, Jr. JM, editor, Proceedings of SPIE - The International Society for Optical Engineering. PART 1 ed. Vol. 5489. 2004. p. 441-453 https://doi.org/10.1117/12.550741
Johns, Matt ; Angel, J Roger P ; Shectman, Stephen ; Bernstein, Rebecca ; Fabricant, Daniel ; McCarthy, Patrick ; Phillips, Mark. / Status of the Giant Magellan Telescope (GMT) project. Proceedings of SPIE - The International Society for Optical Engineering. editor / J.M. Oschmann, Jr. Vol. 5489 PART 1. ed. 2004. pp. 441-453
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