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Bremen 2017 – scientific programme

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UP: Fachverband Umweltphysik

UP 21: Atmosphäre - Mesosphäre

UP 21.4: Talk

Friday, March 17, 2017, 14:00–14:15, GW2 B3009

A Miniaturized Satellite Payload Hosting a Spatial Heterodyne Spectrometer for Remote Sensing of Atmospheric Temperature — •Ralf Koppmann1, Michael Deiml1,2, Martin Kaufmann2, Martin Riese1,2, Gordon Shepherd4, Klaus Mantel3, and AtmoHIT -Team1,2,3,41Bergische Universität Wuppertal — 2Forschungszentrum Jülich — 3Friedrich-Alexander-Universität Erlangen-Nürnberg — 4York University, Toronto, Canada

In this presentation we report on the development of a highly miniaturized Spatial Heterodyne Spectrometer (SHS) for the deployment on micro- and nano-satellites. The throughput of a SHS is orders of magnitude larger than of a conventional grating spectrometer of the same size. The goal is to deploy such an instrument on a CubeSat to measure the oxygen atmospheric band emission in the middle atmosphere. The instrument resolves individual rotational lines whose intensities follow a Boltzmann law allowing for the derivation of temperature from the relative structure of these lines. The CubeSat AtmoCube-1 is currently developed within the Development Initiative for Small Satellites Exploring Climate Processes by Tomography (DISSECT), initiated by the University of Wuppertal and the Research Centre Jülich. The remote sensing instrument will be tested under near space conditions within the experiment AtmoHIT (Atmospheric Heterodyne Interferometer Test). AtmoHIT is part of the Rocket Experiment for University Students campaign (REXUS 22), realized under a bilateral Agency Agreement between the German Aerospace Centre (DLR) and the Swedish National Space Board (SNSB).

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