TY - JOUR AU - López Santiago, J. AU - Micela, G. AU - Montes Gutiérrez, David PY - 2009 DO - 10.1051/0004-6361/200811590 SN - 0004-6361 UR - https://hdl.handle.net/20.500.14352/45060 T2 - Astronomy & Astrophysics AB - Context. The associations and moving groups of young stars are excellent laboratories for investigating stellar formation in the solar neighborhood. Previous results have confirmed that a non-negligible fraction of old main-sequence stars is present... LA - eng M2 - 129 PB - EDP Sciencies KW - X-ray sources KW - Stellar kinematic groups KW - T tauri stars KW - Solar neighborhood KW - Mass stars KW - Evolution KW - Lithium KW - Sample KW - Age KW - Spectroscopy TI - Quantifying the contamination by old main-sequence stars in young moving groups: the case of the Local Association TY - journal article VL - 499 ER -