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Instruments

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This page shows Gemini's current facility and visiting instruments, and retired instruments. The expected instrument availability for the coming semester is given in the current Call for Proposals; information for the current and previous semesters (and the next semester when finalised) can be found in the schedules section.

 

 

Future Instruments

Information about Gemini's instrument development program, may be found on the Future Instrumentation Plans page. A summary of Gemini's ongoing adaptive optics program is also available.



Gemini North Instruments


Visible Near-IR Mid-IR Other facilities
*To be available in Semester 2017A. See instrument web pages for details.
Facility Instruments
GMOS (multi-object, long-slit and IFU spectrograph and imager)
Instrument Fact Sheet 		NIRI (1-5µm imager)
Instrument Fact Sheet 		GCAL (facility calibration unit)
NIFS (1.0-2.5µm integral field spectrograph) Instrument Fact Sheet ALTAIR (facility natural/laser guide star AO system)
GNIRS (1-5µm long-slit and 0.9-2.5µm cross-dispersed spectrograph; formerly at Gemini South) Instrument Fact Sheet
Visiting Instruments
GRACES (0.4-1.0μm high resolution spectrograph) TEXES*(10-20µm high resolution spectrograph)

Gemini South Instruments


Visible Near-IR Mid-IR Other facilities


**Instrument expected to be available in 2017A. See instrument pages for details.
Facility Instruments
GMOS (multi-object, long-slit and IFU spectrograph and imager)
Instrument Fact Sheet 		GCAL (facility calibration unit)
GSAOI (high-resolution imager for use with Multi-Conjugate Adaptive Optics system "GeMS") Instrument Fact Sheet GeMS (Multi-conjugate adaptive optics system)
GPI (adaptive-optics imaging polarimeter/integral-field spectrometer) Instrument Fact Sheet
FLAMINGOS-2 (long-slit spectrograph and imager) Instrument Fact Sheet
Visiting Instruments
DSSI/Speckle**(diffraction-limited optical imager) Phoenix**(high-resolution spectrograph)




Retired Instruments

The following instruments are no longer available for science use. Their web pages will be available indefinitely, to support data processing and analysis of distributed and archived data, but may not be updated.


  • The Acquisition Cameras are no longer offered for science use.
  • bHROS, a high-resolution optical spectrograph, has been retired.
  • CIRPASS (near-IR Integral Field Unit spectrograph) was offered as a visiting instrument, loaned by the University of Cambridge, during 2002-2003.
  • Flamingos-I (near-IR imager and multi-object spectrometer) was offered as a visiting instrument, loaned by the University of Florida, on Gemini South.
  • Hokupa'a-36 / QUIRC (natural guide star adaptive optics system and its near-IR camera) was offered as a visiting instrument, loaned by the University of Hawaii for early science on Gemini North. It is has since been replaced by the facility AO system Altair.
  • Michelle (10-20µm imager/ spectrometer; imaging polarimetry)
  • NICI (coronagraphic imager)
  • NIRSPEC (near-IR spectrograph on Keck) was offered to the Gemini community for limited use during 2000-2001.
  • OSCIR (mid-IR imager/spectrometer) was offered as a visiting instrument, loaned by the University of Florida for early science on Gemini North and, more recently, on Gemini South. It was replaced by the facility mid-IR instruments Michelle and T-ReCS.
  • T-ReCS (formerly known as MIRI; imager and spectrometer)