This geomagnetic research satellite (Figure O16/Plate 5b), named after the Danish scientist Hans Christian Ørsted (1777–1851), is the first satellite mission after Magsat (q.v.) (1979–1980) for high‐precision mapping of the Earth's magnetic field. It was launched with a Delta‐II rocket from Vandenberg Air Force Base (California) on February 23, 1999 into a near polar orbit. Being the first satellite of the International Decade of Geopotential Research (IAGA, 1997), it has been a model for other missions, like CHAMP (q.v.) and Swarm (Friis‐Christensen et al., 2006). Since optimal utilization of magnetic data for improved field modeling requires firm knowledge of all contributing sources, there was an endeavor to bring together experts in internal sources (core and crustal field, electromagnetic induction) and in external sources (current systems in the ionosphere (q.v.) and magnetosphere (q.v.)) in the Ørsted International Science Team(OIST) very early in the planning phase of the...
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Olsen, N. (2007). Ørsted. In: Gubbins, D., Herrero-Bervera, E. (eds) Encyclopedia of Geomagnetism and Paleomagnetism. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-4423-6_249
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