The EXoplanet Climate Infrared TElescope (EXCITE)

Peter C. Nagler; Lee Bernard; Andrea Bocchieri; Nat Butler; Quentin Changeat; Azzurra D'Alessandro; Billy Edwards; John Gamaunt; Qian Gong; John Hartley; Kyle Helson; Logan Jensen; Daniel P. Kelly; Kanchita Klangboonkrong; Annalies Kleyheeg; Nikole K. Lewis; Steven Li; Michael Line; Stephen F. Maher; Ryan McClelland; Laddawan R. Miko; Lorenzo V. Mugnai; C. Barth Netterfield; Vivien Parmentier; Enzo Pascale; Jennifer Patience; Tim Rehm; Javier Romualdez; Subhajit Sarkar; Paul A. Scowen; Gregory S. Tucker; Augustyn Waczynski; Ingo Waldmann

doi:10.1117/12.2629373

29 August 2022 The EXoplanet Climate Infrared TElescope (EXCITE)

Peter C. Nagler, Lee Bernard, Andrea Bocchieri, Nat Butler, Quentin Changeat, Azzurra D'Alessandro, Billy Edwards, John Gamaunt, Qian Gong, John Hartley, Kyle Helson, Logan Jensen, Daniel P. Kelly, Kanchita Klangboonkrong, Annalies Kleyheeg, Nikole K. Lewis, Steven Li, Michael Line, Stephen F. Maher, Ryan McClelland, Laddawan R. Miko, Lorenzo V. Mugnai, C. Barth Netterfield, Vivien Parmentier, Enzo Pascale, Jennifer Patience, Tim Rehm, Javier Romualdez, Subhajit Sarkar, Paul A. Scowen, Gregory S. Tucker, Augustyn Waczynski, Ingo Waldmann

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 121840V (2022) https://doi.org/10.1117/12.2629373
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

The EXoplanet Climate Infrared TElescope (EXCITE) is a 0.5 meter near-infrared spectrograph that will fly from a high altitude balloon platform. EXCITE is designed to perform phase-resolved spectroscopy – continuous spectroscopic observations of a planet’s entire orbit about its host star – of transiting hot Jupiter-type exoplanets. With spectral coverage from 0.8 – 4 um, EXCITE will measure the peak of a target’s spectral energy distribution and the spectral signatures of many hydrogen and carbon-containing molecules. Phase curve observations are highly resource intensive, especially for shared-use facilities, and they require exceptional photometric stability that is difficult to achieve, even from space. In this work, we introduce the EXCITE experiment and explain how it will solve both these problems. We discuss its sensitivity and stability, then provide an update on its current status as we work toward a 2024 long duration science flight.

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Peter C. Nagler, Lee Bernard, Andrea Bocchieri, Nat Butler, Quentin Changeat, Azzurra D'Alessandro, Billy Edwards, John Gamaunt, Qian Gong, John Hartley, Kyle Helson, Logan Jensen, Daniel P. Kelly, Kanchita Klangboonkrong, Annalies Kleyheeg, Nikole K. Lewis, Steven Li, Michael Line, Stephen F. Maher, Ryan McClelland, Laddawan R. Miko, Lorenzo V. Mugnai, C. Barth Netterfield, Vivien Parmentier, Enzo Pascale, Jennifer Patience, Tim Rehm, Javier Romualdez, Subhajit Sarkar, Paul A. Scowen, Gregory S. Tucker, Augustyn Waczynski, and Ingo Waldmann "The EXoplanet Climate Infrared TElescope (EXCITE)", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 121840V (29 August 2022); https://doi.org/10.1117/12.2629373

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KEYWORDS

Phase measurement

Spectroscopy

Exoplanets

Telescopes

Sensors

Stars

Planets

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