Astronomy & Astrophysics

Table 1: Feature limits.
Table 2: A summary of the high-redshift data. (See text for details.)
Table 3: A description of the spectroscopic features used to type SN Ia at $z \ge 0.5$ . Four wavelength regions are selected for performing the SN Ia typing. See the text for details.
Table 4: SNe Ia from Set A ( SCP data: Folatelli 2004).
Table 5: SNe Ia from Set B (Public data).
Table 6: Magnitude of the blueshift of Ca II H&K absorption minimum. Measurement uncertainties are reported in parenthesis.
Table 7: The fractional decrease in the pseudo- EW corresponding to a 10% increase in the amount of contamination from the host.
Table 8: Dispersion of "Fe II 4800'' pseudo- EW for the three SNe Ia subtypes. See text for details.
Table 9: Dispersion of "Mg II 4300'' pseudo- EW for the three SN Ia subtypes. See text for details.
Table 10: $\Delta m_{15}(B)$ and $t_{\rm br}$ measured on the nearby supernova sample.
Table 11: Measurements of the pseudo- EWs of Ca II H&K, Mg II and Fe II. Measurements uncertainties are reported in parenthesis^a.
Table 12: A statistical comparison of the "Fe II 4800'' and "Mg II 4300'' pseudo-equivalent widths of high and low-redshift SNe Ia.