Table 11: $\Delta \chi ^2$ for the fit of the high redshift SNe to the templates of the two underluminous SNe relative to the best fits (which are "normal'' SN templates). n is the number of data points used in the one-parameter fit (see discussion in Sect. 4.4).
n SN 1991bg SN 1997cn

SN 2000fr 3 24.03 21.73

SN 1999ff 2 3.28 2.72

**Table 11:** $\Delta \chi ^2$ for the fit of the high redshift SNe to the templates of the two underluminous SNe relative to the best fits (which are "normal'' SN templates). n is the number of data points used in the one-parameter fit (see discussion in Sect. 4.4).
	n	SN 1991bg	SN 1997cn
SN 2000fr	3	24.03	21.73
SN 1999ff	2	3.28	2.72

Source LaTeX | All tables | In the text

	1 Introduction
	2 I-band light curve fitting
	3 The I-band Hubble diagram
	4 High redshift supernovae
	5 The I-band Hubble diagram up to $z \sim 0.5$
	6 SN Ia colours and intergalactic dust
	7 Test for SN brightness evolution
	8 Summary and conclusions
	References
	Online Material