The atmospheric remote-sensing infrared exoplanet large-survey (Ariel) sensitivity and performance

Enzo Pascale; Andrea Bocchieri; Paul Eccleston; Lorenzo V. Mugnai; Giorgio Savini; Angèle Syty; Vinooja Thurairethinam; Giovanna Tinetti

doi:10.1117/12.3017657

23 August 2024 The atmospheric remote-sensing infrared exoplanet large-survey (Ariel) sensitivity and performance

Enzo Pascale, Andrea Bocchieri, Paul Eccleston, Lorenzo V. Mugnai, Giorgio Savini, Angèle Syty, Vinooja Thurairethinam, Giovanna Tinetti

Author Affiliations +

Proceedings Volume 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave; 130921F (2024) https://doi.org/10.1117/12.3017657
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

The Ariel space mission will characterize spectroscopically the atmospheres of a large and diverse sample of hundreds of exoplanets. Targets will be chosen to cover a wide range of masses, densities, equilibrium temperatures, and host stellar types to study the physical mechanisms behind the observed diversity in the population of known exoplanets. With a 1-m class telescope, Ariel will detect the atmospheric signatures from the small, < 100 ppm, modulation induced by exoplanets on the bright host-star signals, using transit, eclipse, and phase curve spectroscopy. Three photometric and three spectroscopic channels, with Nyquist sampled focal planes, simultaneously cover the 0.5-7.8 micron region of the electromagnetic spectrum, to maximize observing efficiency and to reduce systematics of astrophysical and instrumental origin. This contribution reviews the predicted Ariel performance as well as the design solutions implemented that will allow Ariel to reach the required sensitivity and control of systematics.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Enzo Pascale, Andrea Bocchieri, Paul Eccleston, Lorenzo V. Mugnai, Giorgio Savini, Angèle Syty, Vinooja Thurairethinam, and Giovanna Tinetti "The atmospheric remote-sensing infrared exoplanet large-survey (Ariel) sensitivity and performance", Proc. SPIE 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave, 130921F (23 August 2024); https://doi.org/10.1117/12.3017657

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