Kleyheeg, A;
Bernard, L;
Bocchieri, A;
Butler, N;
Changeat, Q;
D'Alessandro, A;
Edwards, B;
... Waldmann, I; + view all
(2024)
Integration and Testing of a Cryogenic Receiver for the Exoplanet Climate Infrared TElescope (EXCITE).
In: Vernet, Joël R and Bryant, Julia J and Motohara, Kentaro, (eds.)
Proceedings of SPIE - The International Society for Optical Engineering.
(pp. 130963P-1-130963P-10).
SPIE
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Abstract
The EXoplanet Climate Infrared TElescope (EXCITE) is an instrument designed to measure spectroscopic phase curves of extrasolar hot Jupiters from a long duration balloon platform. EXCITE will fly a moderate resolution spectrometer housed inside of a cryogenic receiver actively cooled by two linear pulse tube cryocoolers. Here we provide the current status of the design and performance of the cryogenic receiver, its heat rejection mechanism, and associated control electronics. A recirculating methanol fluid loop rejects heat from the cryocoolers and transports it to sky-facing radiator panels mounted to the gondola. The cryocoolers are controlled by drive electronics with active vibration reduction functionality to minimize the impact of vibrations on pointing stability. We discuss the thermal and vibrational performance of the cryogenic receiver during ground-based pointing tests in its 2023 field campaign in Ft. Sumner, NM and present its current status as EXCITE prepares for its 2024 test flight campaign.
| Type: | Proceedings paper |
|---|---|
| Title: | Integration and Testing of a Cryogenic Receiver for the Exoplanet Climate Infrared TElescope (EXCITE) |
| Event: | SPIE Astronomical Telescopes + Instrumentation 2024 |
| Location: | Yokohama, Japan |
| Dates: | 16 Jun 2024 - 22 Jun 2024 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1117/12.3020522 |
| Publisher version: | http://dx.doi.org/10.1117/12.3020522 |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Exoplanets, spectroscopy, atmopsheres, cryogenics, balloon-borne instrumentation, heat dissipation, vibration control |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10199921 |
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