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Sett. del ottobre 14

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0:00 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00			15:30 Activity and Rotation in the Young Cluster h Per \| Costanza Argiroffi (Universita` degli studi di Palermo ) @ Aula OAPA Activity and Rotation in the Young Cluster h Per \| Costanza Argiroffi (Universita` degli studi di Palermo ) @ Aula OAPA Ott 17@15:30–16:30 Biglietti We study the rotation-activity relationship for low-mass members of the young cluster h Persei (~13 Myr). h Per, thanks to its age, allows us to link the rotation-activity relation observed for main-sequence stars to the puzzling case of very young PMS stars. We constrained the activity levels of h~Per members by analyzing a deep Chandra/ACIS-I observation pointed to the central