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We report on the discovery of a new diffuse stellar sub-structure protrudingfor 5 degrees from the North-Eastern rim of the LMC disc. The structure, thatwe dub North-East Structure (NES), was identified by applying a GaussianMixture Model to a sample of strictly selected candidate members of theMagellanic System, extracted from the Gaia EDR3 catalogue. The NES fills thegap between the outer LMC disk and other known structures in the same region ofthe LMC, namely the Northern tidal arm (NTA) and the Eastern sub-structures(ES). Particularly noteworthy is that the NES is placed in a region whereN-body simulations foresee a bending of the LMC disc due to tidal stressesinduced by the MW. The velocity field in the plane of the sky indicates thatthe complex of tidal structures in the North-Eastern part of the LMC, includingNES, is subject to coherent radial motions. Additional data, as well asextensive dynamical modeling, is required to shed light on the origin of NES aswell as on the relationships with the surrounding substructures.

Discovery of NES, an extended tidal structure in the North-East of the Large Magellanic Cloud