MANIFEST: a many-instrument fiber-positioning system for GMT

Saunders, Will; Colless, Matthew; Saunders, I.J.; Hopkins, A. M.; Goodwin, Michael; Heijmans, Jeroen; Brzeski, Jurek; Farrell, Tony

doi:10.1117/12.856353

Cited by 21 publications

(22 citation statements)

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“…The core diameters tested so far (200, 408 and 612 ȝm) are all large by normal astronomical standards but they are very relevant to fibre fed instrumentation for the next generation of Extremely Large Telescopes, such as the proposed MANIFEST [5] fibre system for the Giant Magellan Telescope [6]. Also of note is the generally low level of FRD for all tested fibres, at least up to input focal ratios of approximately f/8.…”

Section: Resultsmentioning

confidence: 96%

The effect of core geometry on focal ratio degradation in optical fibres for astronomy

Horton

Goodwin

Baumgartner

et al. 2011

2011 International Quantum Electronics Conference (IQEC) and Conference on Lasers and Electro-Optics (CLEO) Pacific Rim Incorpo

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Section: Resultsmentioning

confidence: 96%

The effect of core geometry on focal ratio degradation in optical fibres for astronomy

Horton

Goodwin

Baumgartner

et al. 2011

2011 International Quantum Electronics Conference (IQEC) and Conference on Lasers and Electro-Optics (CLEO) Pacific Rim Incorpo

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“…Work on MANIFEST is being pursued at a moderate level of effort, in order to investigate the key interface issues with the instrument designs as well as with the telescope. The GMT instrument program is discussed in greater detail by Dan Jaffe, 16 one of the instruments (GMTNIRS) is described by Lee et al, 17 and the concept for MANIFEST is presented by Saunders et al 18 …”

Section: Ao System and Instrumentsmentioning

confidence: 99%

GMT overview

Shectman¹,

Johns²

2010

SPIE Proceedings

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The 25-meter Giant Magellan Telescope (GMT) is one of the next generation of extremely large ground-based optical/infrared telescopes. GMT is currently under development by a consortium of major US and international university and research institutions. The telescope will be located at the Las Campanas Observatory in Chile. The GMT Project is mid-way through its Design Development Phase. This paper summarizes the organizational structure and status of the GMT Project and recent progress in the technical development of the various GMT subsystems.

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“…These mini-IFUs would be an ideal application for hexabundles 55 . Full wavelength coverage of 350-1100 nm at R~1800, analogous to LRS2, would be achievable with suitable input optics and VIRUS is perhaps the optimal instrument to combine with the adaptive focal plane concept pioneered by the AAO 56 . We are considering these concepts for a future instrument on GMT, and an instrument along these lines is being evaluated for VLT 57 .…”

Section: Virus On Future Elts and Other Telescopesmentioning

confidence: 99%

VIRUS: a massively replicated 33k fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope

et al. 2010

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The Visible Integral-field Replicable Unit Spectrograph (VIRUS) consists of a baseline build of 150 identical spectrographs (arrayed as 75 units, each with a pair of spectrographs) fed by 33,600 fibers, each 1.5 arcsec diameter, deployed over the 22 arcminute field of the upgraded 10 m Hobby-Eberly Telescope (HET). The goal is to deploy 96 units. VIRUS has a fixed bandpass of 350-550 nm and resolving power R~700. VIRUS is the first example of industrial-scale replication applied to optical astronomy and is capable of spectral surveys of large areas of sky. The method of industrial replication, in which a relatively simple, inexpensive, unit spectrograph is copied in large numbers, offers significant savings of engineering effort, cost, and schedule when compared to traditional instruments.The main motivator for VIRUS is to map the evolution of dark energy for the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX ‡ ) using 0.8M Lyman-α emitting galaxies as tracers. The full VIRUS array is due to be deployed in late 2011 and will provide a powerful new facility instrument for the HET, well suited to the survey niche of the telescope. VIRUS and HET will open up wide field surveys of the emission-line universe for the first time. We present the design, cost, and current status of VIRUS as it enters production, and review performance results from the VIRUS prototype. We also present lessons learned from our experience designing for volume production and look forward to the application of the VIRUS concept on future extremely large telescopes (ELTs). * The Hobby -Eberly Telescope is operated by McDonald Observatory on behalf

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MANIFEST: a many-instrument fiber-positioning system for GMT

Cited by 21 publications

References 0 publications

The effect of core geometry on focal ratio degradation in optical fibres for astronomy

The effect of core geometry on focal ratio degradation in optical fibres for astronomy

GMT overview

VIRUS: a massively replicated 33k fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope

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