Understanding Type Ia supernovae through their U-band spectra

Nordin, J. and Aldering, G. and Antilogus, P. and Aragon, C. and Bailey, S. and Baltay, C. and Barbary, K. and Bongard, S. and Boone, K. and Brinnel, V. and Buton, C. and Childress, M. and Chotard, N. and Copin, Y. and Dixon, S. and Fagrelius, P. and Feindt, U. and Fouchez, D. and Gangler, E. and Hayden, B. and Hillebrandt, W. and Kim, A. and Kowalski, M. and Kuesters, D. and Leget, P.-F. and Lombardo, S. and Lin, Q. and Pain, R. and Pecontal, E. and Pereira, R. and Perlmutter, S. and Rabinowitz, D. and Rigault, M. and Runge, K. and Rubin, D. and Saunders, C. and Smadja, G. and Sofiatti, C. and Suzuki, N. and Taubenberger, S. and Tao, C. and Thomas, R.~C.