Data used in: Spanning Fermi arcs in a two-dimensional magnethttps://doi.org/10.26165/JUELICH-DATA/CXWKMJChen, Ying-JiunJan-Philipp HankeMarkus HoffmannGustav BihlmayerYuriy MokrousovStefan BlügelClaus M. SchneiderChristian TuscheJülich DATA2022-09-072022-09-07T15:32:48ZWe provide here the raw data used to produce the figures in the publication Y.J. Chen et al. XXXXXXX, XX, XXXX, DOI: XXXXXXXX. All metadata necessary to analyze the data are contained in the files.ChemistryPhysicstopological materialsultrathin magnetsdensity functional theoryarXiv, https://doi.org/10.48550/arXiv.2106.15670Chen, Ying-Jiun2022-08-18CC0CC0 Waiver