GNIRS integral field spectroscopy modes: on-sky performance

Rubén J. Díaz; Mark G. Rawlings; Ray M. Sharples; Emanuele P. Farina; Brian C. Lemaux; Andrew W. Stephens; Damián Mast; John White; Eduardo Tapia; Ariadna Calcines; Cornelis M. Dubbeldam; Jennifer Miller; Cyril J. Bourgenot; David A. Ryder; Ken Parkin; Paul A. White; Turner E. H. James; Thomas R. Geballe; Hawi Stecher; Jennifer E. Andrews; Zachary D. Hartman; Hyewon Suh; Siyi Xu; Cicero X. Lu; Natalia McCarthy

doi:10.1117/12.3020524

19 July 2024 GNIRS integral field spectroscopy modes: on-sky performance

Rubén J. Díaz, Mark G. Rawlings, Ray M. Sharples, Emanuele P. Farina, Brian C. Lemaux, Andrew W. Stephens, Damián Mast, John White, Eduardo Tapia, Ariadna Calcines, Cornelis M. Dubbeldam, Jennifer Miller, Cyril J. Bourgenot, David A. Ryder, Ken Parkin, Paul A. White, Turner E. H. James, Thomas R. Geballe, Hawi Stecher, Jennifer E. Andrews, Zachary D. Hartman, Hyewon Suh, Siyi Xu, Cicero X. Lu, Natalia McCarthy

Author Affiliations +

Proceedings Volume 13096, Ground-based and Airborne Instrumentation for Astronomy X; 1309629 (2024) https://doi.org/10.1117/12.3020524
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

We report the commissioning progress and on-sky performance of two new integral field units (IFUs) for the Gemini Near-Infrared Spectrograph (GNIRS). The commissioning of these modes opens up new scientific opportunities for spatially resolved spectroscopy on Gemini. The IFUs were designed and built at the Centre for Advanced Instrumentation in Durham University, as part of Gemini’s Instrument Upgrade Program. The Low Resolution IFU (LR-IFU) has a field-of-view of 3.15" x 4.80" sampled with a pixel scale of 0.15”It currently covers the X,J,H, and K bands with a spectral resolution of R~1700−7200 depending on the grating. The High Resolution IFU (HR-IFU) has a 1.80" x 1.25" field-of-view at a 0.05” sampling, and is optimized for fully adaptively corrected images delivered by the Gemini North ALTAIR AO system.

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Rubén J. Díaz, Mark G. Rawlings, Ray M. Sharples, Emanuele P. Farina, Brian C. Lemaux, Andrew W. Stephens, Damián Mast, John White, Eduardo Tapia, Ariadna Calcines, Cornelis M. Dubbeldam, Jennifer Miller, Cyril J. Bourgenot, David A. Ryder, Ken Parkin, Paul A. White, Turner E. H. James, Thomas R. Geballe, Hawi Stecher, Jennifer E. Andrews, Zachary D. Hartman, Hyewon Suh, Siyi Xu, Cicero X. Lu, and Natalia McCarthy "GNIRS integral field spectroscopy modes: on-sky performance", Proc. SPIE 13096, Ground-based and Airborne Instrumentation for Astronomy X, 1309629 (19 July 2024); https://doi.org/10.1117/12.3020524

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