The slicer combined with array of lenslets for exoplanet spectroscopy (SCALES): driving science cases and expected outcomes

Steph Sallum; Andrew Skemer; Deno Stelter; Ravinder Banyal; Natalie Batalha; Natasha Batalha; Geoff Blake; Tim Brandt; Zack Briesemeister; Katherine de Kleer; Imke de Pater; Aditi Desai; Josh Eisner; Wen-fai Fong; Tom Greene; Mitsuhiko Honda; Rebecca Jensen-Clem; Isabel Kain; Charlie Kilpatrick; Renate Kupke; Mackenzie Lach; Michael C. Liu; Bruce Macintosh; Raquel A. Martinez; Dimitri Mawet; Brittany Miles; Caroline Morley; Diana Powell; Ramya Sethuram; Patrick Sheehan; Justin Spilker; Jordan Stone; Arun Surya; Sivarani Thirupathi; Athira Unni; Kevin Wagner; Yifan Zhou

doi:10.1117/12.2677831

5 October 2023 The slicer combined with array of lenslets for exoplanet spectroscopy (SCALES): driving science cases and expected outcomes

Steph Sallum, Andrew Skemer, Deno Stelter, Ravinder Banyal, Natalie Batalha, Natasha Batalha, Geoff Blake, Tim Brandt, Zack Briesemeister, Katherine de Kleer, Imke de Pater, Aditi Desai, Josh Eisner, Wen-fai Fong, Tom Greene, Mitsuhiko Honda, Rebecca Jensen-Clem, Isabel Kain, Charlie Kilpatrick, Renate Kupke, Mackenzie Lach, Michael C. Liu, Bruce Macintosh, Raquel A. Martinez, Dimitri Mawet, Brittany Miles, Caroline Morley, Diana Powell, Ramya Sethuram, Patrick Sheehan, Justin Spilker, Jordan Stone, Arun Surya, Sivarani Thirupathi, Athira Unni, Kevin Wagner, Yifan Zhou

Author Affiliations +

Proceedings Volume 12680, Techniques and Instrumentation for Detection of Exoplanets XI; 1268003 (2023) https://doi.org/10.1117/12.2677831
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

The Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy (SCALES) is a 2 μm to 5 μm, high-contrast Integral Field Spectrograph (IFS) currently being built for Keck Observatory. With both low (R ≲ 250) and medium (R approximately 3500 to 7000) spectral resolution IFS modes, SCALES will detect and characterize significantly colder exoplanets than those accessible with near-infrared (approximately 1 μm to 2 μm) high-contrast spectrographs. This will lead to new progress in exoplanet atmospheric studies, including detailed characterization of benchmark systems that will advance the state of the art of atmospheric modeling. SCALES’ unique modes, while designed specifically for direct exoplanet characterization, will enable a broader range of novel (exo)planetary observations as well as galactic and extragalactic studies. Here we present the science cases that drive the design of SCALES. We describe an end-to-end instrument simulator that we use to track requirements and show simulations of expected science yields for each driving science case. We conclude with a discussion of preparations for early science when the instrument sees first light in approximately 2025.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Steph Sallum, Andrew Skemer, Deno Stelter, Ravinder Banyal, Natalie Batalha, Natasha Batalha, Geoff Blake, Tim Brandt, Zack Briesemeister, Katherine de Kleer, Imke de Pater, Aditi Desai, Josh Eisner, Wen-fai Fong, Tom Greene, Mitsuhiko Honda, Rebecca Jensen-Clem, Isabel Kain, Charlie Kilpatrick, Renate Kupke, Mackenzie Lach, Michael C. Liu, Bruce Macintosh, Raquel A. Martinez, Dimitri Mawet, Brittany Miles, Caroline Morley, Diana Powell, Ramya Sethuram, Patrick Sheehan, Justin Spilker, Jordan Stone, Arun Surya, Sivarani Thirupathi, Athira Unni, Kevin Wagner, and Yifan Zhou "The slicer combined with array of lenslets for exoplanet spectroscopy (SCALES): driving science cases and expected outcomes", Proc. SPIE 12680, Techniques and Instrumentation for Detection of Exoplanets XI, 1268003 (5 October 2023); https://doi.org/10.1117/12.2677831

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