Table 4: Number of stars in the D1 field for i' < 21 and in different intervals of r'-i'. Column 1 indicates the middle of the interval of width 0.2, "tot'' means the total of the 3 interval considered, that is 1.5< r'-i'<2.1. Columns 2 to 17 give the model counts for each of the tested LF while column 18 contains the observed counts. Models are described by two parameters: on the first line of the column heading the value of the mass of changing slope is indicated, the second line gives the value of $\alpha$ (see Eq. (1)). The column values include, in the first line, the number of stars in the colour interval, the second line gives the difference between the data and simulated counts in number of sigmas, assuming that the noise is dominated by the Poisson statistics (see text). Model with values between -3 and +3 are considered as acceptable in the colour bin.
r'-i' std .15 .15 .15 .15 .15 .20 .20 .20 .20 .20 .25 .25 .25 .25 .25 data

2 2.5 3 3.5 4 2 2.5 3 3.5 4 2 2.5 3 3.5 4

1.6 79 82 84 87 88 88 88 106 124 148 176 100 134 173 229 299 126

$\sigma$ 4.2 3.9 3.7 3.5 3.4 3.4 3.4 1.8 0.2 -2.0 -4.5 2.3 -0.7 -4.2 -9.2 -15.4

1.8 25 30 35 38 41 50 35 47 62 76 102 41 58 84 121 172 57

$\sigma$ 4.2 3.6 2.9 2.5 2.1 0.9 2.9 1.3 -0.7 -2.5 -6.0 2.1 -0.1 -3.6 -8.5 -15.2

2.0 11 13 16 18 23 26 15 18 29 42 59 15 24 37 61 95 21

$\sigma$ 2.2 1.7 1.1 0.7 -0.4 -1.1 1.3 0.7 -1.7 -4.6 -8.3 1.3 -0.7 -3.5 -8.7 -16.1

tot 115 125 135 142 151 165 138 171 215 266 337 157 216 294 411 566 204

$\sigma$ 6.2 5.5 4.8 4.3 3.7 2.7 4.6 2.3 -0.8 -4.3 -9.3 3.3 -0.8 -6.3 -14.5 -25.3

**Table 4:** Number of stars in the D1 field for i' < 21 and in different intervals of r'-i'. Column 1 indicates the middle of the interval of width 0.2, "tot'' means the total of the 3 interval considered, that is 1.5< r'-i'<2.1. Columns 2 to 17 give the model counts for each of the tested LF while column 18 contains the observed counts. Models are described by two parameters: on the first line of the column heading the value of the mass of changing slope is indicated, the second line gives the value of $\alpha$ (see Eq. (1)). The column values include, in the first line, the number of stars in the colour interval, the second line gives the difference between the data and simulated counts in number of sigmas, assuming that the noise is dominated by the Poisson statistics (see text). Model with values between -3 and +3 are considered as acceptable in the colour bin.
r'-i'	std	.15	.15	.15	.15	.15	.20	.20	.20	.20	.20	.25	.25	.25	.25	.25	data
		2	2.5	3	3.5	4	2	2.5	3	3.5	4	2	2.5	3	3.5	4
1.6	79	82	84	87	88	88	88	106	124	148	176	100	134	173	229	299	126
$\sigma$	4.2	3.9	3.7	3.5	3.4	3.4	3.4	1.8	0.2	-2.0	-4.5	2.3	-0.7	-4.2	-9.2	-15.4
1.8	25	30	35	38	41	50	35	47	62	76	102	41	58	84	121	172	57
$\sigma$	4.2	3.6	2.9	2.5	2.1	0.9	2.9	1.3	-0.7	-2.5	-6.0	2.1	-0.1	-3.6	-8.5	-15.2
2.0	11	13	16	18	23	26	15	18	29	42	59	15	24	37	61	95	21
$\sigma$	2.2	1.7	1.1	0.7	-0.4	-1.1	1.3	0.7	-1.7	-4.6	-8.3	1.3	-0.7	-3.5	-8.7	-16.1
tot	115	125	135	142	151	165	138	171	215	266	337	157	216	294	411	566	204
$\sigma$	6.2	5.5	4.8	4.3	3.7	2.7	4.6	2.3	-0.8	-4.3	-9.3	3.3	-0.8	-6.3	-14.5	-25.3

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