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Satellites
Published in Mohammad Razani, Commercial Space Technologies and Applications, 2018
In October 19, 2006, the MetOp-A was launched. This satellite was equipped with 11 scientific instruments to scan the Earth’s atmosphere, land, and oceans as part of a program to improve weather forecasting. MetOp is operated by the European Organization for the Exploration of Meteorological Satellites and is part of the EUMETSAT Polar System. The following instruments were onboard the MetOp-A satellite: IASI (Infrared Atmospheric Sounding Interferometer)MHS (Microwave Humidity Sounder)GRAS (Global navigation satellite system Receiver for Atmospheric Sounding)ASCAT (Advanced Scatterometer)GOME-2 (Global Ozone Monitoring Experiment-2)AMSU-A1/AMSU-A2 (Advanced Microwave Sounding Units)HIRS/4 (High Resolution Infrared Radiation Sounder)AVHRR/3A-DCS (Advanced Data Collection System)SEM-2 (Space Environment Monitor)SARP-3 (Search and Rescue Processor)SARR (Search and Rescue Repeater)
The ν4 bands at 11 µm: linelists for the Trans- and Cis- conformer forms of nitrous acid (HONO) in the 2019 version of the GEISA database
Published in Molecular Physics, 2022
R. Armante, A. Perrin, F. Kwabia Tchana, L. Manceron
The IASI instruments include thermal infrared nadir1 Fourier Transform Spectrometers (operating in the 3.5–15.5 μm spectral range) which are implemented on the series of METOP satellites. Very soon, they will be followed by the Infrared Atmospheric Sounding Interferometer New Generation (IASI-NG; https://iasi-ng.cnes.fr/fr). IASI-NG is a key payload element of the second-generation European meteorological polar-orbit satellites (METOP-SG) dedicated to operational atmospheric nadir soundings. For IASI-NG the performance objective is mainly a spectral resolution and a radiometric error divided by two compared with the IASI first-generation ones. One can presume that the possible quantification of trace species from space like HONO will be easier by IASI-NG than by IASI. It is important to prepare and optimise such detection to take full advantage of the future capacities of IASI-NG.