TY - JOUR AU - Cortés Contreras, Miriam AU - Díez Alonso, Enrique AU - Montes Gutiérrez, David PY - 2019 DO - 10.1051/0004-6361/201834483 SN - 1432-0746 UR - https://hdl.handle.net/20.500.14352/13301 T2 - Astronomy and astrophysics AB - We use spectra from CARMENES, the Calar Alto high-Resolution search for M dwarfs with Exo-earths with Near-infrared and optical Echelle Spectrographs, to search for periods in chromospheric indices in 16 M0–M2 dwarfs. We measure spectral indices in... LA - eng PB - EDP Sciencies KW - Stars nstars project KW - Rotation periods KW - Spectroscopy KW - Earlier TI - The CARMENES search for exoplanets around M dwarfs Period search in H alpha, Na I D, and Ca II IRT lines TY - journal article VL - 623 ER -