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The Balloon Experimental Twin Telescope for infrared interferometry (BETTII): First flight

Rinehart, SA; Dhabal, A; Fixsen, D; Juanola-Parramon, R; Leisawitz, D; Maher, S; Mentzell, JE; ... Savini, G; + view all (2018) The Balloon Experimental Twin Telescope for infrared interferometry (BETTII): First flight. In: Ground-based and Airborne Telescopes VII. Green open access

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Abstract

The Balloon Experimental Twin Telescope for Infrared Interferometry (BETTII) is an 8-meter far-infrared (30-100 μm) double-Fourier Michelson interferometer designed to fly on a high altitude scientific balloon. The project began in 2011, and the payload was declared ready for flight in September 2016. Due to bad weather, the first flight was postponed until June 2017; BETTII was successfully launched on June 8, 2017 for an engineering flight. Over the course of the one night flight, BETTII acquired a large amount of technical data that we are using to characterize the payload. Unfortunately, the flight ended with an anomaly that resulted in destruction of the payload. In this paper, we will discuss the path to BETTII flight, the results of the first flight, and some of the plans for the future.

Type: Proceedings paper
Title: The Balloon Experimental Twin Telescope for infrared interferometry (BETTII): First flight
Event: SPIE Astronomical Telescopes and Instrumentation
ISBN-13: 9781510619531
Open access status: An open access version is available from UCL Discovery
DOI: 10.1117/12.2311497
Publisher version: https://doi.org/10.1117/12.2311497
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: Balloon, Far-Infrared, Interferometers, Star Formation
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/10055016
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