ausblenden:
Schlagwörter:
stars: pre-main sequence
stars: low-mass
stars: variables: T Tauri
Herbig Ae/Be
accretion
accretion disks
open clusters and
associations: individual: η Chamealeontis
protoplanetary disks
Astrophysics - Solar and Stellar Astrophysics
Zusammenfassung:
The nearby η Chamaeleontis association is a collection of 4-10 Myr old stars with a disk fraction of 35-45%. In this study, the broad wavelength coverage of VLT/X-shooter is used to measure the stellar and mass accretion properties of 15 low-mass stars in the η Chamaeleontis association. For each star, the observed spectrum is fitted with a non- accreting stellar template and an accretion spectrum obtained from assuming a plane-parallel hydrogen slab. Five of the eight stars with an
