The Messenger Telescopes and Instrumentation

ELT – Where the Secondary Mirror Becomes a Giant

Authors
  • Cayrel, Marc [European Southern Observatory (ESO)]
  • Cirasuolo, Michele [European Southern Observatory (ESO)]
  • Tamai, Roberto [European Southern Observatory (ESO)]
  • Haupt, Christoph [European Southern Observatory (ESO)]
  • Sqalli, Omar [European Southern Observatory (ESO)]
  • Muller, Michael [European Southern Observatory (ESO)]
  • Dierickx, Philippe [European Southern Observatory (ESO)]
  • Koehler, Bertrand [European Southern Observatory (ESO)]
  • Marchet, Fabio Biancat [European Southern Observatory (ESO)]
  • Gonzalez, Juan Carlos [European Southern Observatory (ESO)]
  • Tuti, Mauro [European Southern Observatory (ESO)]
  • ELT Team [European Southern Observatory (ESO)]

Section
Telescopes and Instrumentation
Abstract

The Extremely Large Telescope (ELT) is at the core of ESO’s vision to deliver the largest optical and infrared telescope in the world. Following on from our previous Messenger article describing the primary mirror (M1), here we focus on the secondary (M2) and the tertiary (M3) mirrors of the ELT, outlining the complexity and challenges involved, and the current manufacturing status.


Dates
Created: 2019-06-01/2019-06-30
Length
3 pages

Cite this article:

M. Cayrel, M. Cirasuolo, R. Tamai, C. Haupt, O. Sqalli, M. Muller, P. Dierickx, B. Koehler, F. Marchet, J. Gonzalez, M. Tuti, ELT Team; ELT – Where the Secondary Mirror Becomes a Giant. The Messenger 176 (June 2019): 13–15. https://doi.org/10.18727/0722-6691/5135