STELZER, BEATEBEATESTELZER0000-0003-4929-5703FRASCA, AntonioAntonioFRASCA0000-0002-0474-0896ALCALA', JUAN MANUELJUAN MANUELALCALA'0000-0001-8657-095X2020-04-292020-04-29201697811071381621743-9213http://hdl.handle.net/20.500.12386/24335We present new photometric and spectroscopic data for the M-type members of the TW Hya association with the aim of a comprehensive study of accretion, disks and magnetic activity at the critical age of ~ 10 Myr where circumstellar matter disappears.STAMPAenConference paper10.1017/S174392131500633X2-s2.0-84961358047000455240000025https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/article/accretion-disks-and-magnetic-activity-in-the-tw-hya-association/390BD04816C1098CEBC3724E37C4991C2016IAUS..314..105SFIS/05 - ASTRONOMIA E ASTROFISICA