TY - JOUR AU - Schanche, N. AU - Dévora Pajares, Martín PY - 2022 UR - http://hdl.handle.net/10481/72660 AB - Context. Thanks to the relative ease of finding and characterizing small planets around M-dwarf stars, these objects have become cornerstones in the field of exoplanet studies. The current paucity of planets in long-period orbits around M dwarfs makes... LA - eng PB - EDP KW - Planets and satellites: detection KW - Stars: individual: TOI-2257 KW - Stars: individual: TIC 198485881 KW - Techniques: photometric TI - TOI-2257 b: A highly eccentric long-period sub-Neptune transiting a nearby M dwarf DO - 10.1051/0004-6361/202142280 ER -