Table 2: Results of the I-band light curve fit of 42 nearby supernovae: t₁ and I₁ are the parameters for the time and amplitude fitted on the first template, t₂ and I₂ are the parameters for the time and amplitude fitted on the second template, and s_I is the stretch factor. N is the number of points used in the fit ( ${\rm d.o.f.}=N-5$ ). The data were taken from: ¹ Wells et al. (1994), ² Richmond et al. (1995), ³ Riess et al. (1999), ⁴ Hamuy et al. (1996a), ⁵ Jha (2002), ⁶ Filippenko et al. (1992b), Leibundgut et al. (1993).
SN z s_I t₁ I₁ t₂ I₂ $\chi ^2$ N

1989B¹ 0.002 1.100 $\pm$ 0.126 -0.590 $\pm$ 1.549 11.752 $\pm$ 0.059 23.123 $\pm$ 2.079 12.513 $\pm$ 0.175 5.12 15

1991bg⁴ 0.005 1.104 $\pm$ 0.034 3.274 $\pm$ 0.380 13.521 $\pm$ 0.006 28.800 $\pm$ 1.123 16.506 $\pm$ 0.122 21.78 20

1992al⁴ 0.015 0.952 $\pm$ 0.054 1.176 $\pm$ 1.016 15.039 $\pm$ 0.043 27.887 $\pm$ 1.078 15.527 $\pm$ 0.069 0.59 10

1992bc⁴ 0.020 1.121 $\pm$ 0.030 -1.579 $\pm$ 0.146 15.639 $\pm$ 0.014 27.677 $\pm$ 0.492 16.510 $\pm$ 0.026 18.78 20

1992bg⁴ 0.035 0.963 $\pm$ 0.065 0.257 $\pm$ 1.929 17.543 $\pm$ 0.086 26.392 $\pm$ 2.543 17.963 $\pm$ 0.060 3.18 7

1992bh⁴ 0.045 1.086 $\pm$ 0.145 -0.008 $\pm$ 1.029 17.899 $\pm$ 0.028 26.766 $\pm$ 2.494 18.543 $\pm$ 0.116 4.16 10

1992bo⁴ 0.019 0.952 $\pm$ 0.019 -0.609 $\pm$ 0.162 16.064 $\pm$ 0.016 23.403 $\pm$ 0.374 16.944 $\pm$ 0.042 43.91 18

1992bp⁴ 0.079 0.891 $\pm$ 0.053 -0.292 $\pm$ 0.710 18.962 $\pm$ 0.029 27.750 $\pm$ 1.287 19.346 $\pm$ 0.084 10.14 14

1993ag⁴ 0.049 0.924 $\pm$ 0.058 1.092 $\pm$ 0.863 18.384 $\pm$ 0.039 26.904 $\pm$ 2.010 18.759 $\pm$ 0.060 2.57 12

1993H⁴ 0.024 0.953 $\pm$ 0.033 -2.072 $\pm$ 0.960 16.664 $\pm$ 0.040 20.556 $\pm$ 0.943 17.532 $\pm$ 0.048 23.61 13

1993O⁴ 0.051 1.089 $\pm$ 0.080 0.462 $\pm$ 0.917 18.197 $\pm$ 0.023 26.248 $\pm$ 1.108 18.858 $\pm$ 0.034 15.97 16

1994ae³ 0.004 1.051 $\pm$ 0.017 -1.110 $\pm$ 0.142 13.383 $\pm$ 0.018 26.664 $\pm$ 0.312 14.032 $\pm$ 0.042 22.65 20

1994D² 0.002 0.891 $\pm$ 0.004 -1.007 $\pm$ 0.043 12.177 $\pm$ 0.004 25.219 $\pm$ 0.091 12.836 $\pm$ 0.008 546.17 26

1994M³ 0.023 0.945 $\pm$ 0.041 0.035 $\pm$ 1.262 16.513 $\pm$ 0.050 24.824 $\pm$ 1.027 17.139 $\pm$ 0.063 26.73 13

1994T³ 0.035 0.740 $\pm$ 0.026 2.371 $\pm$ 1.319 17.458 $\pm$ 0.049 30.187 $\pm$ 0.988 17.840 $\pm$ 0.053 9.22 8

1995al³ 0.005 1.158 $\pm$ 0.046 -1.002 $\pm$ 0.472 13.526 $\pm$ 0.022 24.696 $\pm$ 0.751 14.149 $\pm$ 0.057 8.72 16

1995bd³ 0.016 1.166 $\pm$ 0.025 -0.095 $\pm$ 0.112 16.082 $\pm$ 0.012 26.516 $\pm$ 0.367 16.632 $\pm$ 0.060 20.70 16

1995D³ 0.007 1.267 $\pm$ 0.054 -1.408 $\pm$ 0.682 13.708 $\pm$ 0.026 24.763 $\pm$ 0.744 14.454 $\pm$ 0.037 10.34 25

1995E³ 0.012 1.026 $\pm$ 0.040 0.067 $\pm$ 0.635 15.393 $\pm$ 0.024 26.340 $\pm$ 0.950 16.093 $\pm$ 0.050 6.78 14

1996ai³ 0.003 1.115 $\pm$ 0.024 -2.042 $\pm$ 0.495 13.986 $\pm$ 0.022 24.947 $\pm$ 0.504 14.675 $\pm$ 0.023 48.38 10

1996bl³ 0.036 0.942 $\pm$ 0.026 1.932 $\pm$ 0.365 17.079 $\pm$ 0.022 29.619 $\pm$ 0.684 17.702 $\pm$ 0.033 9.44 9

1996bo³ 0.017 1.072 $\pm$ 0.010 -0.325 $\pm$ 0.113 15.701 $\pm$ 0.005 24.675 $\pm$ 0.186 16.253 $\pm$ 0.013 85.76 12

1996C³ 0.030 1.059 $\pm$ 0.038 0.278 $\pm$ 1.085 16.829 $\pm$ 0.052 27.206 $\pm$ 0.928 17.521 $\pm$ 0.030 23.02 11

1996X³ 0.007 1.079 $\pm$ 0.041 -1.944 $\pm$ 0.371 13.399 $\pm$ 0.012 24.524 $\pm$ 0.774 14.170 $\pm$ 0.033 7.87 15

1997bp⁵ 0.008 1.235 $\pm$ 0.049 1.092 $\pm$ 0.277 14.134 $\pm$ 0.006 25.847 $\pm$ 0.484 14.637 $\pm$ 0.018 8.18 11

1997bq⁵ 0.009 1.014 $\pm$ 0.014 0.479 $\pm$ 0.099 14.580 $\pm$ 0.017 25.130 $\pm$ 0.230 15.139 $\pm$ 0.017 16.26 11

1997br⁵ 0.007 1.349 $\pm$ 0.035 0.769 $\pm$ 0.110 13.683 $\pm$ 0.020 20.672 $\pm$ 0.451 14.295 $\pm$ 0.037 13.75 10

1997cn⁵ 0.017 0.840 $\pm$ 0.049 -1.711 $\pm$ 0.776 16.426 $\pm$ 0.027 24.070 $\pm$ 1.067 18.255 $\pm$ 0.156 11.78 12

1997dg⁵ 0.031 0.965 $\pm$ 0.060 -1.324 $\pm$ 1.082 17.240 $\pm$ 0.035 26.675 $\pm$ 2.351 17.744 $\pm$ 0.051 1.18 6

1997e⁵ 0.013 0.931 $\pm$ 0.031 -1.375 $\pm$ 0.315 15.477 $\pm$ 0.007 23.879 $\pm$ 0.386 16.064 $\pm$ 0.022 8.60 8

1998ab⁵ 0.027 1.413 $\pm$ 0.046 0.279 $\pm$ 0.179 16.485 $\pm$ 0.021 19.787 $\pm$ 0.556 17.049 $\pm$ 0.042 8.40 10

1998dh⁵ 0.009 0.997 $\pm$ 0.011 -0.337 $\pm$ 0.169 14.099 $\pm$ 0.015 26.025 $\pm$ 0.275 14.682 $\pm$ 0.024 0.77 6

1998es⁵ 0.011 0.980 $\pm$ 0.140 -2.309 $\pm$ 0.511 14.083 $\pm$ 0.016 24.278 $\pm$ 1.062 14.928 $\pm$ 0.085 6.90 11

1998v⁵ 0.018 0.940 $\pm$ 0.036 0.545 $\pm$ 0.611 15.790 $\pm$ 0.017 25.688 $\pm$ 0.698 16.100 $\pm$ 0.056 9.65 7

1999aa⁵ 0.014 1.288 $\pm$ 0.014 0.301 $\pm$ 0.072 15.242 $\pm$ 0.007 25.585 $\pm$ 0.180 15.871 $\pm$ 0.027 73.43 14

1999ac⁵ 0.009 1.210 $\pm$ 0.027 1.328 $\pm$ 0.283 14.321 $\pm$ 0.006 23.045 $\pm$ 0.519 15.057 $\pm$ 0.032 11.26 12

1999cl⁵ 0.008 0.970 $\pm$ 0.118 -0.107 $\pm$ 0.571 13.139 $\pm$ 0.022 22.206 $\pm$ 1.647 13.688 $\pm$ 0.101 0.63 8

1999dq⁵ 0.014 1.179 $\pm$ 0.024 -0.324 $\pm$ 0.126 14.785 $\pm$ 0.006 25.492 $\pm$ 0.198 15.312 $\pm$ 0.013 34.19 20

1999gp⁵ 0.027 1.261 $\pm$ 0.044 -1.600 $\pm$ 0.263 16.405 $\pm$ 0.008 26.011 $\pm$ 0.526 17.045 $\pm$ 0.024 7.51 11

2000cn⁵ 0.023 0.799 $\pm$ 0.026 -0.362 $\pm$ 0.206 16.679 $\pm$ 0.015 23.965 $\pm$ 0.441 17.256 $\pm$ 0.062 15.40 12

2000dk⁵ 0.017 0.809 $\pm$ 0.016 -1.342 $\pm$ 0.177 15.767 $\pm$ 0.007 24.297 $\pm$ 0.429 16.222 $\pm$ 0.048 20.33 9

2000fa⁵ 0.021 1.119 $\pm$ 0.050 -0.235 $\pm$ 0.278 16.289 $\pm$ 0.037 24.911 $\pm$ 0.423 16.888 $\pm$ 0.111 0.20 7

**Table 2:** Results of the I-band light curve fit of 42 nearby supernovae: t₁ and I₁ are the parameters for the time and amplitude fitted on the first template, t₂ and I₂ are the parameters for the time and amplitude fitted on the second template, and s_I is the stretch factor. N is the number of points used in the fit ( ${\rm d.o.f.}=N-5$ ). The data were taken from: ¹ Wells et al. (1994), ² Richmond et al. (1995), ³ Riess et al. (1999), ⁴ Hamuy et al. (1996a), ⁵ Jha (2002), ⁶ Filippenko et al. (1992b), Leibundgut et al. (1993).
SN	z	s_I	t₁	I₁	t₂	I₂	$\chi ^2$	N
1989B¹	0.002	1.100 $\pm$ 0.126	-0.590 $\pm$ 1.549	11.752 $\pm$ 0.059	23.123 $\pm$ 2.079	12.513 $\pm$ 0.175	5.12	15
1991bg⁴	0.005	1.104 $\pm$ 0.034	3.274 $\pm$ 0.380	13.521 $\pm$ 0.006	28.800 $\pm$ 1.123	16.506 $\pm$ 0.122	21.78	20
1992al⁴	0.015	0.952 $\pm$ 0.054	1.176 $\pm$ 1.016	15.039 $\pm$ 0.043	27.887 $\pm$ 1.078	15.527 $\pm$ 0.069	0.59	10
1992bc⁴	0.020	1.121 $\pm$ 0.030	-1.579 $\pm$ 0.146	15.639 $\pm$ 0.014	27.677 $\pm$ 0.492	16.510 $\pm$ 0.026	18.78	20
1992bg⁴	0.035	0.963 $\pm$ 0.065	0.257 $\pm$ 1.929	17.543 $\pm$ 0.086	26.392 $\pm$ 2.543	17.963 $\pm$ 0.060	3.18	7
1992bh⁴	0.045	1.086 $\pm$ 0.145	-0.008 $\pm$ 1.029	17.899 $\pm$ 0.028	26.766 $\pm$ 2.494	18.543 $\pm$ 0.116	4.16	10
1992bo⁴	0.019	0.952 $\pm$ 0.019	-0.609 $\pm$ 0.162	16.064 $\pm$ 0.016	23.403 $\pm$ 0.374	16.944 $\pm$ 0.042	43.91	18
1992bp⁴	0.079	0.891 $\pm$ 0.053	-0.292 $\pm$ 0.710	18.962 $\pm$ 0.029	27.750 $\pm$ 1.287	19.346 $\pm$ 0.084	10.14	14
1993ag⁴	0.049	0.924 $\pm$ 0.058	1.092 $\pm$ 0.863	18.384 $\pm$ 0.039	26.904 $\pm$ 2.010	18.759 $\pm$ 0.060	2.57	12
1993H⁴	0.024	0.953 $\pm$ 0.033	-2.072 $\pm$ 0.960	16.664 $\pm$ 0.040	20.556 $\pm$ 0.943	17.532 $\pm$ 0.048	23.61	13
1993O⁴	0.051	1.089 $\pm$ 0.080	0.462 $\pm$ 0.917	18.197 $\pm$ 0.023	26.248 $\pm$ 1.108	18.858 $\pm$ 0.034	15.97	16
1994ae³	0.004	1.051 $\pm$ 0.017	-1.110 $\pm$ 0.142	13.383 $\pm$ 0.018	26.664 $\pm$ 0.312	14.032 $\pm$ 0.042	22.65	20
1994D²	0.002	0.891 $\pm$ 0.004	-1.007 $\pm$ 0.043	12.177 $\pm$ 0.004	25.219 $\pm$ 0.091	12.836 $\pm$ 0.008	546.17	26
1994M³	0.023	0.945 $\pm$ 0.041	0.035 $\pm$ 1.262	16.513 $\pm$ 0.050	24.824 $\pm$ 1.027	17.139 $\pm$ 0.063	26.73	13
1994T³	0.035	0.740 $\pm$ 0.026	2.371 $\pm$ 1.319	17.458 $\pm$ 0.049	30.187 $\pm$ 0.988	17.840 $\pm$ 0.053	9.22	8
1995al³	0.005	1.158 $\pm$ 0.046	-1.002 $\pm$ 0.472	13.526 $\pm$ 0.022	24.696 $\pm$ 0.751	14.149 $\pm$ 0.057	8.72	16
1995bd³	0.016	1.166 $\pm$ 0.025	-0.095 $\pm$ 0.112	16.082 $\pm$ 0.012	26.516 $\pm$ 0.367	16.632 $\pm$ 0.060	20.70	16
1995D³	0.007	1.267 $\pm$ 0.054	-1.408 $\pm$ 0.682	13.708 $\pm$ 0.026	24.763 $\pm$ 0.744	14.454 $\pm$ 0.037	10.34	25
1995E³	0.012	1.026 $\pm$ 0.040	0.067 $\pm$ 0.635	15.393 $\pm$ 0.024	26.340 $\pm$ 0.950	16.093 $\pm$ 0.050	6.78	14
1996ai³	0.003	1.115 $\pm$ 0.024	-2.042 $\pm$ 0.495	13.986 $\pm$ 0.022	24.947 $\pm$ 0.504	14.675 $\pm$ 0.023	48.38	10
1996bl³	0.036	0.942 $\pm$ 0.026	1.932 $\pm$ 0.365	17.079 $\pm$ 0.022	29.619 $\pm$ 0.684	17.702 $\pm$ 0.033	9.44	9
1996bo³	0.017	1.072 $\pm$ 0.010	-0.325 $\pm$ 0.113	15.701 $\pm$ 0.005	24.675 $\pm$ 0.186	16.253 $\pm$ 0.013	85.76	12
1996C³	0.030	1.059 $\pm$ 0.038	0.278 $\pm$ 1.085	16.829 $\pm$ 0.052	27.206 $\pm$ 0.928	17.521 $\pm$ 0.030	23.02	11
1996X³	0.007	1.079 $\pm$ 0.041	-1.944 $\pm$ 0.371	13.399 $\pm$ 0.012	24.524 $\pm$ 0.774	14.170 $\pm$ 0.033	7.87	15
1997bp⁵	0.008	1.235 $\pm$ 0.049	1.092 $\pm$ 0.277	14.134 $\pm$ 0.006	25.847 $\pm$ 0.484	14.637 $\pm$ 0.018	8.18	11
1997bq⁵	0.009	1.014 $\pm$ 0.014	0.479 $\pm$ 0.099	14.580 $\pm$ 0.017	25.130 $\pm$ 0.230	15.139 $\pm$ 0.017	16.26	11
1997br⁵	0.007	1.349 $\pm$ 0.035	0.769 $\pm$ 0.110	13.683 $\pm$ 0.020	20.672 $\pm$ 0.451	14.295 $\pm$ 0.037	13.75	10
1997cn⁵	0.017	0.840 $\pm$ 0.049	-1.711 $\pm$ 0.776	16.426 $\pm$ 0.027	24.070 $\pm$ 1.067	18.255 $\pm$ 0.156	11.78	12
1997dg⁵	0.031	0.965 $\pm$ 0.060	-1.324 $\pm$ 1.082	17.240 $\pm$ 0.035	26.675 $\pm$ 2.351	17.744 $\pm$ 0.051	1.18	6
1997e⁵	0.013	0.931 $\pm$ 0.031	-1.375 $\pm$ 0.315	15.477 $\pm$ 0.007	23.879 $\pm$ 0.386	16.064 $\pm$ 0.022	8.60	8
1998ab⁵	0.027	1.413 $\pm$ 0.046	0.279 $\pm$ 0.179	16.485 $\pm$ 0.021	19.787 $\pm$ 0.556	17.049 $\pm$ 0.042	8.40	10
1998dh⁵	0.009	0.997 $\pm$ 0.011	-0.337 $\pm$ 0.169	14.099 $\pm$ 0.015	26.025 $\pm$ 0.275	14.682 $\pm$ 0.024	0.77	6
1998es⁵	0.011	0.980 $\pm$ 0.140	-2.309 $\pm$ 0.511	14.083 $\pm$ 0.016	24.278 $\pm$ 1.062	14.928 $\pm$ 0.085	6.90	11
1998v⁵	0.018	0.940 $\pm$ 0.036	0.545 $\pm$ 0.611	15.790 $\pm$ 0.017	25.688 $\pm$ 0.698	16.100 $\pm$ 0.056	9.65	7
1999aa⁵	0.014	1.288 $\pm$ 0.014	0.301 $\pm$ 0.072	15.242 $\pm$ 0.007	25.585 $\pm$ 0.180	15.871 $\pm$ 0.027	73.43	14
1999ac⁵	0.009	1.210 $\pm$ 0.027	1.328 $\pm$ 0.283	14.321 $\pm$ 0.006	23.045 $\pm$ 0.519	15.057 $\pm$ 0.032	11.26	12
1999cl⁵	0.008	0.970 $\pm$ 0.118	-0.107 $\pm$ 0.571	13.139 $\pm$ 0.022	22.206 $\pm$ 1.647	13.688 $\pm$ 0.101	0.63	8
1999dq⁵	0.014	1.179 $\pm$ 0.024	-0.324 $\pm$ 0.126	14.785 $\pm$ 0.006	25.492 $\pm$ 0.198	15.312 $\pm$ 0.013	34.19	20
1999gp⁵	0.027	1.261 $\pm$ 0.044	-1.600 $\pm$ 0.263	16.405 $\pm$ 0.008	26.011 $\pm$ 0.526	17.045 $\pm$ 0.024	7.51	11
2000cn⁵	0.023	0.799 $\pm$ 0.026	-0.362 $\pm$ 0.206	16.679 $\pm$ 0.015	23.965 $\pm$ 0.441	17.256 $\pm$ 0.062	15.40	12
2000dk⁵	0.017	0.809 $\pm$ 0.016	-1.342 $\pm$ 0.177	15.767 $\pm$ 0.007	24.297 $\pm$ 0.429	16.222 $\pm$ 0.048	20.33	9
2000fa⁵	0.021	1.119 $\pm$ 0.050	-0.235 $\pm$ 0.278	16.289 $\pm$ 0.037	24.911 $\pm$ 0.423	16.888 $\pm$ 0.111	0.20	7

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