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GHOST

Gemini SouthOptical
Last Modified: 
Wednesday, July 6, 2022 - 11:34

Gemini High-resolution Optical SpecTrograph (GHOST) is able to capture 0.36-1μm high resolution spectra (R of 50000, or 75000) of two targets simultaneously using independent 1.2" integral field units, each patrolling a hemisphere over a combined 7.5' field of view.

Unavailable For Proposals at Gemini South
For more details, see the schedules and the CfPs.

NOT AVAILABLE FOR PROPOSALS AT GEMINI SOUTH

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Current Instruments

  • Altair
  • GHOST
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Capability Summary

Total wavelength range: 0.36-1μm 
Spectral resolving power (R): 50,000 (2 IFUs), or 75,000 (1 IFU)
Integral Field Unit (IFU) size: 1.2" 
Field of view: 7.5', with closest separation of two IFUs is 100" 
Atmosphere dispersion correction (ADCs): Provided for each IFU independently
Precision radial velocity (PRV) mode: Takes simultaneously ThXe arc calibration along with science 

Guiding Options

Periferal Wavefront Sensor 2 (PWFS2)

Fine guiding on target provided by six GHOST fibres 

Get to the integration time calculator

GHOST was built by a collaboration between Australian Astronomical Optics at Macquarie University, National Research Council Herzberg of Canada, and the Australian National University.   

Instrument Team

Instrument Scientist

Venu Kalari

Additional Support Staff

    Steve Margheim

    Joan Font-Serra

    Pablo Prado

    Roque Ruiz

Email: ghost@gemini.edu

Gemini Observatory Participants

The Gemini Observatory provides the astronomical communities in six participant countries with state-of-the-art astronomical facilities that allocate observing time in proportion to each country's contribution. In addition to financial support, each country also contributes significant scientific and technical resources. The national research agencies that form the Gemini partnership include: the US National Science Foundation (NSF), the Canadian National Research Council (NRC), the Chilean Comisión Nacional de Investigación Cientifica y Tecnológica (ANID), the Brazilian Ministério da Ciência, Tecnologia e Inovação, the Argentinean Ministerio de Ciencia, Tecnología e Innovación, and the Korea Astronomy and Space Institute (KASI). The observatory is managed by the Association of Universities for Research in Astronomy, Inc. (AURA) under a cooperative agreement with the NSF. The NSF also serves as the executive agency for the international partnership.


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