SNLS Spectroscopy: Testing for Evolution in Type Ia Supernovae (2007)
Bronder, T. J., Hook, I. M., Astier, P., Balam, D., Balland, C., Basa, S., ...
Aims: We present a quantitative study of a new data set of high redshift Type Ia supernovae spectra, observed at the Gemini telescopes during the first 34 months of the Supernova Legacy Survey....
Howell, D. A., Sullivan, M., Perrett, K., Bronder, T. J., Hook, I. M., Astier, P., ...
We present new techiques for improving the efficiency of supernova (SN) classification at high redshift using 64 candidates observed at Gemini North and South during the first year of the Supernova...