Development of the ROSIE integral field unit on the Magellan IMACS spectrograph

Rosalie C. McGurk; Stephen A. Shectman; Leon Aslan; Chung-Pei Ma

doi:10.1117/12.2562950

14 December 2020 Development of the ROSIE integral field unit on the Magellan IMACS spectrograph

Rosalie C. McGurk, Stephen A. Shectman, Leon Aslan, Chung-Pei Ma

Proceedings Volume 11447, Ground-based and Airborne Instrumentation for Astronomy VIII; 1144769 (2020) https://doi.org/10.1117/12.2562950
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Conference Poster

Abstract

We are building an image slicer integral field unit (IFU) to go on the IMACS wide-field imaging spectrograph on the Magellan Baade Telescope at Las Campanas Observatory, the Reformatting Optically-Sensitive IMACS Enhancement IFU, or ROSIE IFU. The 50.4" x 53.5" field of view will be pre-sliced into four 12.6" x 53.5" sub-fields, and then each subfield will be divided into 21 0.6" x 53.5" slices. The four main image slicers will produce four pseudo-slits spaced six arcminutes apart across the IMACS f/2 camera field of view, providing a wavelength coverage of 1800 Angstroms at a spectral resolution of 2000. Optics are in-hand, the first image slicer is being aluminized, mounts are being designed and fabricated, and software is being written. This IFU will enable the efficient mapping of extended objects such as nebulae, galaxies, or outflows, making it a powerful addition to IMACS.

Citation Download Citation

Rosalie C. McGurk, Stephen A. Shectman, Leon Aslan, and Chung-Pei Ma "Development of the ROSIE integral field unit on the Magellan IMACS spectrograph", Proc. SPIE 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 1144769 (14 December 2020); https://doi.org/10.1117/12.2562950

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