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Doppler Images and Chromospheric Variability of TWA 17
M. B. Skelly, Y. C. Unruh, J. R. Barnes +3
We present Doppler imaging and a Balmer line analysis of the weak-line T Tauri star TWA 17. Spectra were taken in 2006 with the UCL Echelle Spectrograph on the Anglo-Australian Tel…
The Long-Lived Disks in the Eta Chamaeleontis Cluster
A. Sicilia-Aguilar, J. Bouwman, A. Juhasz +8
We present IRS spectra and revised MIPS photometry for the 18 members of the Eta Chamaeleontis cluster. Aged 8 Myr, the Eta Cha cluster is one of the few nearby regions within the…
Surface magnetic fields on two accreting T Tauri stars: CV Cha and CR Cha
G. A. J. Hussain, A. Collier Cameron, M. M. Jardine +12
We have produced brightness and magnetic field maps of the surfaces of CV Cha and CR Cha: two actively accreting G and K-type T Tauri stars in the Chamaeleon I star-forming cloud w…
MBM 12: young protoplanetary discs at high galactic latitude
G. Meeus, A. Juhasz, Th. Henning +6
(abridged) We present Spitzer infrared observations to constrain disc and dust evolution in young T Tauri stars in MBM 12, a star-forming cloud at high latitude with an age of 2 My…