The MATS satellite: limb image data processing and calibration
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| I publikationen: | Atmospheric Measurement Techniques vol. 18, no. 22 (2025), p. 6869-6893 |
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| Övriga upphov: | , , , , , , , , , , , , , |
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Copernicus GmbH
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| Länkar: | Citation/Abstract Full Text Full Text - PDF |
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| 045 | 2 | |b d20250101 |b d20251231 | |
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| 100 | 1 | |a Megner, Linda |u Department of Meteorology, Stockholm University, Stockholm, Sweden | |
| 245 | 1 | |a The MATS satellite: limb image data processing and calibration | |
| 260 | |b Copernicus GmbH |c 2025 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a MATS (Mesospheric Airglow/Aerosol Tomography and Spectroscopy) is a Swedish satellite mission designed to investigate atmospheric gravity waves. In order to observe wave patterns, MATS observes structures in the <inline-formula><mml:math display="inline" id="M1"><mml:mrow class="chem"><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn mathvariant="normal">2</mml:mn></mml:msub></mml:mrow></mml:math></inline-formula> atmospheric band airglow (light emitted by oxygen molecules in the mesosphere and lower thermosphere), as well as structures in noctilucent clouds (NLCs) which form around the mesopause. The main instrument is a telescope that continuously captures high-resolution images of the atmospheric limb. Using tomographic analysis of the acquired images, the MATS mission can reconstruct waves in three dimensions and provide a comprehensive global map of the properties of gravity waves. The data provided by the MATS satellite will thus be three-dimensional fields of airglow and NLC properties in 200 km-wide (across track) strips along the orbit at altitudes of 70 to 110 km. By adding spectroscopic analysis, by separating light into six distinct wavelength channels, it also becomes possible to derive temperature and microphysical NLC properties. Based on those data fields, further analysis will yield gravity wave parameters, such as the wavelengths, amplitudes, phase, and direction of the waves, on a global scale. The MATS satellite, funded by the Swedish National Space Agency, was launched in November 2022 into a 580 km sun-synchronous orbit with a 17.25 local time of the ascending node (LTAN). This paper accompanies the public release of the Level 1b (v. 1.0) dataset from the MATS limb imager. The purpose of the paper is to provide background information in order to assist users to correctly and efficiently handle the data. As such, it details the image processing and how instrumental artefacts are handled. It also describes the calibration efforts that have been carried out on the basis of laboratory and in-flight observations, and it discusses uncertainties that affect the dataset. | |
| 653 | |a Mesosphere | ||
| 653 | |a Calibration | ||
| 653 | |a Satellite imagery | ||
| 653 | |a Image processing | ||
| 653 | |a Atmospheric gravity waves | ||
| 653 | |a Airglow | ||
| 653 | |a Thermosphere | ||
| 653 | |a Gravity waves | ||
| 653 | |a Datasets | ||
| 653 | |a Sun-synchronous orbits | ||
| 653 | |a Spectroscopy | ||
| 653 | |a Spectroscopic analysis | ||
| 653 | |a Image acquisition | ||
| 653 | |a Wavelengths | ||
| 653 | |a Satellites | ||
| 653 | |a Clouds | ||
| 653 | |a Metadata | ||
| 653 | |a Data processing | ||
| 653 | |a Image resolution | ||
| 653 | |a Lower thermosphere | ||
| 653 | |a Wavelength | ||
| 653 | |a Data analysis | ||
| 653 | |a Mirrors | ||
| 653 | |a Noctilucent clouds | ||
| 653 | |a Lower mantle | ||
| 653 | |a Telescopes | ||
| 653 | |a Atmosphere | ||
| 653 | |a Temperature | ||
| 653 | |a Mesopause | ||
| 653 | |a Wave parameters | ||
| 653 | |a Tomography | ||
| 653 | |a Environmental | ||
| 700 | 1 | |a Gumbel, Jörg |u Department of Meteorology, Stockholm University, Stockholm, Sweden | |
| 700 | 1 | |a Christensen, Ole Martin |u Department of Meteorology, Stockholm University, Stockholm, Sweden | |
| 700 | 1 | |a Linder, Björn |u Department of Meteorology, Stockholm University, Stockholm, Sweden | |
| 700 | 1 | |a Murtagh, Donal P. |u Earth and Space Sciences, Chalmers University of Technology, Göteborg, Sweden | |
| 700 | 1 | |a Ivchenko, Nickolay |u School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm, Sweden | |
| 700 | 1 | |a Krasauskas, Lukas |u Department of Meteorology, Stockholm University, Stockholm, Sweden | |
| 700 | 1 | |a Hedin, Jonas |u Department of Meteorology, Stockholm University, Stockholm, Sweden | |
| 700 | 1 | |a Dillner, Joachim |u Department of Meteorology, Stockholm University, Stockholm, Sweden | |
| 700 | 1 | |a Giono, Gabriel |u School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm, Sweden | |
| 700 | 1 | |a Olentsenko, Georgi |u School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm, Sweden | |
| 700 | 1 | |a Kern, Louis |u Department of Meteorology, Stockholm University, Stockholm, Sweden | |
| 700 | 1 | |a Möller, Joakim |u Molflow, Göteborg, Sweden | |
| 700 | 1 | |a Skyman, Ida-Sofia |u Molflow, Göteborg, Sweden | |
| 700 | 1 | |a Stegman, Jacek |u Department of Meteorology, Stockholm University, Stockholm, Sweden | |
| 773 | 0 | |t Atmospheric Measurement Techniques |g vol. 18, no. 22 (2025), p. 6869-6893 | |
| 786 | 0 | |d ProQuest |t Advanced Technologies & Aerospace Database | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3273633035/abstract/embedded/L8HZQI7Z43R0LA5T?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text |u https://www.proquest.com/docview/3273633035/fulltext/embedded/L8HZQI7Z43R0LA5T?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3273633035/fulltextPDF/embedded/L8HZQI7Z43R0LA5T?source=fedsrch |