TY - JOUR AU - Fuhrmeister, B. AU - Czesla, S. AU - Hildebrandt, L. AU - Montes Gutiérrez, David AU - Diez-Alonso, E. PY - 2019 DO - 10.1051/0004-6361/201936193 SN - 0004-6361 UR - https://hdl.handle.net/20.500.14352/88361 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 Sciences KW - Stars: activity KW - Stars: chromospheres KW - Stars: lite-type 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 -