TY - JOUR AU - Sanz Forcada, J. AU - Caballero, J. A. AU - Cortés Contreras, Miriam AU - Montes Gutiérrez, David PY - 2019 DO - 10.1051/0004-6361/201936193 SN - 0004-6361 UR - https://hdl.handle.net/20.500.14352/7780 T2 - Astronomy & Astrophysics AB - The He I infrared (IR) triplet at 10 830 Å is an important activity indicator for the Sun and in solar-type stars, however, it has rarely been studied in relation to M dwarfs to date. In this study, we use the time-averaged spectra of 319 single stars... LA - eng PB - EDP Sciencies KW - X-ray-emission KW - Multiwavelength observations KW - T-Tauri KW - Stars KW - Flares KW - Atmosphere KW - Dependence KW - Angstrom KW - Rotatation KW - Helium TI - The CARMENES search for exoplanets around M dwarfs. The He I triplet at 10830 Å across the M dwarf sequence TY - journal article VL - 632 ER -