TY - JOUR AU - Martínez Arnáiz, R. AU - Maldonado, J. AU - Montes Gutiérrez, David AU - Eiroa, C. AU - Montesinos, B. PY - 2010 DO - 10.1051/0004-6361/200913725 SN - 0004-6361 UR - https://hdl.handle.net/20.500.14352/45054 T2 - Astronomy & Astrophysics AB - Context. Chromospheric activity produces both photometric and spectroscopic variations that can be mistaken as planets. Large spots crossing the stellar disc can produce planet-like periodic variations in the light curve of a star. These spots clearly... LA - eng PB - EDP Sciencies KW - CA-II-H KW - Multiwavelength optical observations KW - Sun-like stars KW - Main-sequence stars KW - Low-mass stars KW - Magnetic activity KW - Stellar-activity KW - Binary-systems KW - Cool stars KW - Echelle spectrograph TI - Chromospheric activity and rotation of FGK stars in the solar vicinity. An estimation of the radial velocity jitter TY - journal article VL - 520 ER -