Pavón Carrasco, Francisco Javier2023-06-172023-06-1720211880-598110.1186/s40623-020-01288-xhttps://hdl.handle.net/20.500.14352/8038© The Author(s) 2021. Artículo firmado por 65 autores. The European Space Agency (ESA) is gratefully acknowledged for providing access to the Swarm magnetic feld data and for making it possible for IPGP and CEA-Léti to derive the additional ASM-V experimental data from the CNES funded ASM instrument, all used in this work. The China National Space Administration and the China Earthquake Administration are acknowledged for providing access to CSES magnetometer data. The results presented in this paper rely on data collected at magnetic observatories. We thank the national institutes that support them and INTERMAGNET for promoting high standards of magnetic observatory practice (www.intermagnet.org). The Swarm and Cryosat-2 missions are supported by the European Space Agency (ESA). The Ørsted mission was made possible by extensive support from the Danish government, NASA, ESA, CNES, DARA, and the Thomas B. Thriges Foundation. The CHAMP mission was sponsored by the Space Agency of the German Aerospace Center (DLR) through funds of the Federal Ministry of Economics and Technology, following a decision of the German Federal Parliament (grant code 50EE0944). The SAC-C mission was made possible by a collaboration between the Comisión Nacional de Actividades Espaciales (CONAE), NASA/JPL, and the Danish Space Research Institute. The CSES mission is funded by the China National Space Administration (CNSA) and the China Earthquake Administration (CEA). The international network of geomagnetic observatories is supported by numerous institutes, staf, and INTERMAGNET. The French contribution to this work was supported by the French Centre National des Etudes Spatiales (CNES) in the framework of the program “Exploitation de la mission satellitaire européenne Swarm.”In December 2019, the International Association of Geomagnetism and Aeronomy (IAGA) Division V Working Group (V-MOD) adopted the thirteenth generation of the International Geomagnetic Reference Field (IGRF). This IGRF updates the previous generation with a defnitive main feld model for epoch 2015.0, a main feld model for epoch 2020.0, and a predictive linear secular variation for 2020.0 to 2025.0. This letter provides the equations defning the IGRF, the spherical harmonic coefcients for this thirteenth generation model, maps of magnetic declination, inclina tion and total feld intensity for the epoch 2020.0, and maps of their predicted rate of change for the 2020.0 to 2025.0 time period.engAtribución 3.0 Españajournal articlehttp://dx.doi.org/10.1186/s40623-020-01288-xhttps://earth-planets-space.springeropen.com/open access52IGRFMagnetic field modelingGeomagnetismFísica atmosférica2501 Ciencias de la Atmósfera