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This is the home of the IGRINS space.


IGRINS Status:

IGRINS was operated successfully as visiting instrument in Gemini South in 2018A.

When IGRINS returns to the Discovery Channel Telescope at Lowell observatory we will restart the UT/KASI queue. Queue time will be scheduled between October 2018 and April 2019.

There is no deadline for queue requests, but we require at least 1 week to get your requests into the queue. Earlier requests have a higher likelihood of being completed. If the queue is oversubscribed then we will ask the McDonald TAC to prioitize programs based on the text in the request form.

The queue request form is located here:

is returning to Gemini South for the 2020A semester. It will remain there for the next few years.


The standard acknowledgement for IGRINS must be in every publication using IGRINS data:

This work used the Immersion Grating Infrared Spectrometer (IGRINS) that was developed under a collaboration between the University of Texas at Austin and the Korea Astronomy and Space Science Institute (KASI) with the financial support of the Mt. Cuba Astronomical Foundation, of the US National Science Foundation under grants AST-1229522 and AST-1702267, of the McDonald Observatory of the University of Texas at Austin, of the Korean GMT Project of KASI, and Gemini Observatory.