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  An integrated payload design for the atmospheric remote-sensing infrared exoplanet large-survey (ARIEL): results from phase A and forward look to phase B1

Middleton, K. F., Tinetti, G., Beaulieu, J.-P., Güdel, M., Hartogh, P., Eccleston, P., et al. (2019). An integrated payload design for the atmospheric remote-sensing infrared exoplanet large-survey (ARIEL): results from phase A and forward look to phase B1. In Z. Sodnik, N. Karafolas, & B. Cugny (Eds.), Proceedings Volume 11180, International Conference on Space Optics — ICSO 2018. doi:10.1117/12.2536033.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0005-6EA8-3 Version Permalink: https://hdl.handle.net/21.11116/0000-0005-6EA9-2
Genre: Conference Paper

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 Creators:
Middleton, Kevin F., Author
Tinetti, Giovanna, Author
Beaulieu, Jean-Philippe, Author
Güdel, Manuel, Author
Hartogh, Paul1, Author           
Eccleston, Paul, Author
Micela, Giuseppina, Author
Min, Michiel, Author
Rataj, Miroslaw, Author
Ray, Tom, Author
Ribas, Ignasi, Author
Vandenbussche, Bart, Author
Auguères, Jean-Louis, Author
Bishop, Georgia, Author
Deppo, Vania Da, Author
Sanz, Isabel Escudero, Author
Focardi, Mauro, Author
Hunt, Thomas, Author
Malaguti, Giuseppe, Author
Morgante, Gianluca, Author
Ollivier, Marc, AuthorPace, Emanuele, AuthorPascale, Enzo, AuthorTaylor, William, Author more..
Affiliations:
1Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832288              

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 MPIS_PROJECTS: ARIEL
 Abstract: ARIEL (the Atmospheric Remote-sensing Infrared Exoplanet Large-survey) has been selected by ESA as the next medium-class science mission (M4), expected to be launched in 2028. The mission will be devoted to observing spectroscopically in the infrared a large population of warm and hot transiting exoplanets (temperatures from ~500 K to ~3000 K) in our nearby Galactic neighborhood, opening a new discovery space in the field of extrasolar planets and enabling the understanding of the physics and chemistry of these far away worlds. ARIEL was selected for implementation by ESA in March 2018 from three candidate missions that underwent parallel phase A studies. This paper gives an overview of the design at the end of phase A and discusses plans for its evolution during phase B1, in the run-up to mission adoption.

ARIEL is based on a 1 m class telescope feeding two instruments: a moderate resolution spectrometer covering the wavelengths from 1.95 to 7.8 microns; and a three-channel photometer (which also acts as a fine guidance sensor) with bands between 0.5 and 1.2 microns combined with a low resolution spectrometer covering 1.25 to 1.9 microns. During its 3.5 years of operation from an L2 orbit, ARIEL will continuously observe exoplanets transiting their host star.

This paper presents an overall view of the integrated design of the payload proposed for this mission. The design tightly integrates the various payload elements in order to allow the exacting photometric stability targets to be met, while providing simultaneous spectral and photometric data from the visible to the mid-infrared. We identify and discuss the key requirements and technical challenges for the payload and describe the trade-offs that were assessed during phase A, culminating in the baseline design for phase B1. We show how the design will be taken forward to produce a fully integrated and calibrated payload for ARIEL that can be built within the mission and programmatic constraints and will meet the challenging scientific performance required for transit spectroscopy.

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Language(s): eng - English
 Dates: 2019
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1117/12.2536033
ADS: 2019SPIE11180E..36M
 Degree: -

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Title: International Conference on Space Optics - ICSO 2018
Place of Event: Chania, Greece
Start-/End Date: 2018-10-09 - 2018-10-12

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Title: Proceedings Volume 11180, International Conference on Space Optics — ICSO 2018
Source Genre: Proceedings
 Creator(s):
Sodnik, Zoran, Editor
Karafolas, Nikos, Editor
Cugny, Bruno, Editor
Affiliations:
-
Publ. Info: -
Pages: - Volume / Issue: 11180 Sequence Number: 1118036 Start / End Page: - Identifier: -