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GNIRS was built by NOAO in Tucson, Arizona and delivered to Cerro Pachon in late October 2003. Commissioning of the majority of the modes took place in stages during 2004. GNIRS was first made available for science use in 2004B. The instrument was damaged in 2007 while at Cerro Pachon and, with the exception of its integral field unit, has now been repaired and is installed at its new home on the Gemini North telescope. Additional work to improve the performance of the instrument will continue during the next few years.
25 Apr 2013
A number of common errors are made by PIs when creating phase I files writing their technical justifications. The PI should consider the following checklist when writing the Phase I proposal.
The Gemini Observatory newsletter, GeminiFocus, is now quarterly and available as both a downloadable PDF and in an on-line e-reader format compatible with desktop browsers, tablets, e-readers, and smart phones.
Read this issue by visiting: www.gemini.edu/geminifocus
GNIRS contains a "flip-in" mirror that bypasses the dispersive optics (i.e., gratings and prisms) and provides a long and somewhat narrow acquisition field. This allows precise positioning of an object in a slit without moving the grating, prism, or camera. The choice of acquisition filter is independent of the wavelength of the science observations.