Designing custom medium resolution observing modes to trace planet accretion with SCALES

Raquel A. Martinez; Steph Sallum; 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; Isabel Kain; Charlie Kilpatrick; Renate Kupke; Mackenzie Lach; Mike Liu; Bruce Macintosh; Dimitri Mawet; Brittany Miles; Caroline Morley; Diana Powell; Patrick Sheehan; Andrew J. Skemer; Justin Spilker; Deno Stelter; Jordan Stone; Arun Surya; Sivarani Thirupathi; Kevin Wagner; Yifan Zhou

doi:10.1117/12.2677530

5 October 2023 Designing custom medium resolution observing modes to trace planet accretion with SCALES

Raquel A. Martinez, Steph Sallum, 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, Isabel Kain, Charlie Kilpatrick, Renate Kupke, Mackenzie Lach, Mike Liu, Bruce Macintosh, Dimitri Mawet, Brittany Miles, Caroline Morley, Diana Powell, Patrick Sheehan, Andrew J. Skemer, Justin Spilker, Deno Stelter, Jordan Stone, Arun Surya, Sivarani Thirupathi, Kevin Wagner, Yifan Zhou

Author Affiliations +

Proceedings Volume 12680, Techniques and Instrumentation for Detection of Exoplanets XI; 126801W (2023) https://doi.org/10.1117/12.2677530
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Conference Poster

Abstract

The Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy (SCALES) is an under-construction thermal infrared high-contrast integral field spectrograph that will be located at the W. M. Keck Observatory. SCALES will detect and characterize planets that are currently inaccessible to detailed study by operating at thermal (2 μm to 5 μm) wavelengths and leveraging integral-field spectroscopy to readily distinguish exoplanet radiation from residual starlight. SCALES’ wavelength coverage and medium-spectral-resolution (R ∼ 4,000) modes will also enable investigations of planet accretion processes. We explore the scientific requirements of additional custom gratings and filters for incorporation into SCALES that will optimally probe tracers of accretion in forming planets. We use ray-traced hydrogen emission line profiles (i.e., Brγ, Brα) and the SCALES end-to-end simulator, scalessim, to generate grids of high-fidelity mock datasets of accreting planetary systems with varying characteristics (e.g., Teff, planet mass, planet radius, mass accretion rate). In this proceeding, we describe potential specialized modes that best differentiate accretion properties and geometries from the simulated observations.

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

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Raquel A. Martinez, Steph Sallum, 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, Isabel Kain, Charlie Kilpatrick, Renate Kupke, Mackenzie Lach, Mike Liu, Bruce Macintosh, Dimitri Mawet, Brittany Miles, Caroline Morley, Diana Powell, Patrick Sheehan, Andrew J. Skemer, Justin Spilker, Deno Stelter, Jordan Stone, Arun Surya, Sivarani Thirupathi, Kevin Wagner, and Yifan Zhou "Designing custom medium resolution observing modes to trace planet accretion with SCALES", Proc. SPIE 12680, Techniques and Instrumentation for Detection of Exoplanets XI, 126801W (5 October 2023); https://doi.org/10.1117/12.2677530

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