The Magellan infrared multi-object spectrograph project: 2022 update

Nicholas P. Konidaris II; Gwen C. Rudie; Andrew B. Newman; Alica E. Lanz; Jason E. Williams; Tyson S. Hare; Robert Barkhouser; Julia Brady; Jeffrey D. Crane; Daniel D. Kelson; Gerrad Killion; Vince Kowal; Solange Ramirez; Stephen A. Smee; Johanna K. Teske; Stephanie Wachter

doi:10.1117/12.2626995

29 August 2022 The Magellan infrared multi-object spectrograph project: 2022 update

Nicholas P. Konidaris II, Gwen C. Rudie, Andrew B. Newman, Alica E. Lanz, Jason E. Williams, Tyson S. Hare, Robert Barkhouser, Julia Brady, Jeffrey D. Crane, Daniel D. Kelson, Gerrad Killion, Vince Kowal, Solange Ramirez, Stephen A. Smee, Johanna K. Teske, Stephanie Wachter

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 1218415 (2022) https://doi.org/10.1117/12.2626995
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

The Magellan Infrared Multi-object Spectrograph (MIRMOS) is a near-infrared (NIR) spectrograph with both multi-object (MOS) and integral field unit (IFU) capabilities designed for the Magellan 6.5-meter telescopes. MIRMOS’s design is optimized for both faint-object spectroscopy, and with the insertion of a diffuser, for ultra-high-signal-to-noise transmission spectroscopy of exoplanet atmospheres. To maximize MIRMOS’s scientific returns, it has an instantaneous wavelength range from 0.89-2.4 µm with a spectral resolution >3, 400 in the Y, J, H, and K bands. The front end switches between a mechanical slit mask robot capable of deploying 92 slits over a 13′ × 3 ′ field, and an image slicer IFU with a wide field of 26′′ × 20′′. In this proceeding, we will describe the current state of the instrument, with a focus on its optical design.

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Nicholas P. Konidaris II, Gwen C. Rudie, Andrew B. Newman, Alica E. Lanz, Jason E. Williams, Tyson S. Hare, Robert Barkhouser, Julia Brady, Jeffrey D. Crane, Daniel D. Kelson, Gerrad Killion, Vince Kowal, Solange Ramirez, Stephen A. Smee, Johanna K. Teske, and Stephanie Wachter "The Magellan infrared multi-object spectrograph project: 2022 update", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 1218415 (29 August 2022); https://doi.org/10.1117/12.2626995

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