N. Huélamo, P. Figuera, X. Bonfils, N. C. Santos, F. Pepe, M. Gillon, R. Azevedo, T. Barman, M. Fernández, E. di Folco, E. W. Guenther, C. Lovis, C. Melo, D. Queloz, S. Udry, 2008,
TW Hydrae: evidence of stellar spots instead of a Hot Jupiter,
Astronomy and Astrophysics, 489, L9-L13

R. Azevedo, D. F. M. Folha, J. F. Gameiro, N. Calvet, 2007,
Extended wind in jetless classical T Tauri star TW Hya,
The Astrophysical Journal, 670, 1234-1239

R. Azevedo, N. Calvet, L. Hartmann, D. F. M. Folha, J. F. Gameiro, J. Muzerolle, 2006,
Calcium II infrared triplet line models in classical T Tauri stars,
Astronomy and Astrophysics, 456, 225-234