Table 4: The 63 wavelength intervals defined for measuring the equivalent widths (all values are in units of Å).
Line identification $\lambda_{\rm central}$ Wavelength interval Line identification $\lambda_{\rm central}$ Wavelength interval

MgI 2517.0 2500-2534 H9, CN L band, FeI, MgI, HeI 3835.0 3808-3862

FeII 2550.0 2534-2566 H8, CN L band, FeI, SiI, HeI 3885.0 3862-3908

FeII 2590.5 2566-2615 CaIIK 3930.0 3908-3952

FeII, CrII, FeI 2635.0 2615-2655 CaIIH, H $\epsilon$ 3970.0 3952-3988

FeII 2672.5 2655-2690 FeI, HeI 4004.0 3988-4020

FeII 2710.0 2690-2730 FeI, HeI 4037.0 4020-4054

FeII 2751.5 2730-2773 FeI, SrII 4068.0 4054-4082

FeII, MgII 2798.0 2773-2823 H $\delta$ 4100.0 4082-4118

MgI, FeII 2842.5 2823-2862 FeI 4138.5 4118-4159

FeI, FeII 2884.0 2862-2906 CN 4186.5 4159-4214

FeI, FeII, CrII 2939.0 2906-2972 CaI 4229.0 4214-4244

FeI, FeII, CrI, CrII 2982.0 2972-2992 FeI, CrI 4260.5 4244-4277

FeI, MnI, CrI, CrII 3009.0 2992-3026 CH G band, FeI, CrI 4297.5 4277-4318

FeI, OH, TiII 3052.5 3026-3079 H $\gamma$ , FeI, FeII 4341.0 4318-4364

CoI, FeI, OH, 3096.0 3079-3113 FeI, C₂, FeII, TiII 4392.0 4364-4420

OH, FeI, CrII, CH 3122.5 3113-3132 FeI, CaI, TiO, MgII, HeI 4446.0 4420-4472

FeI, CH 3139.5 3132-3147 CH, CN 4489.0 4472-4506

OH, FeI, FeII, CH, TiII 3178.0 3147-3209 FeI, FeII, TiII 4537.0 4506-4568

FeI, TiII, MnI 3236.5 3209-3264 FeI, FeII, TiO, TiII, CN, CaI 4595.0 4568-4622

FeI 3281.0 3264-3298 FeI, TiO, C₂ 4655.0 4622-4688

FeI, TiII 3323.5 3298-3349 FeI, MgI, TiI, HeI, NiI, C₂ 4714.5 4688-4741

NH, FeI 3369.0 3349-3389 FeI, MgH, NiI, MnI, TiO 4771.5 4741-4802

FeI, NiI 3407.5 3389-3426 TiO, MgH, CN, MnI 4818.5 4802-4835

FeI, NiI, CoI 3443.0 3426-3460 H $\beta$ , TiO, FeI 4857.0 4835-4879

FeI, NiI, MnII 3482.0 3460-3504 FeI 4889.0 4879-4899

FeI, NiI 3523.5 3504-3543 FeI, FeII, CN, HeI 4922.5 4899-4946

FeI, NiI, CrI 3570.5 3543-3598 FeI, TiO, TiI 4972.0 4946-4998

FeI, NiI, CaI, TiI 3629.5 3598-3661 FeI, FeII, TiO, CN, HeI, TiI 5028.0 4998-5058

FeI, CrI, TiI, NiI 3677.0 3661-3693 FeI 5107.0 5058-5156

FeI 3717.0 3693-3741 FeI, MgI+MgH 5198.0 5156-5240

FeI, TiII, CN 3762.5 3741-3784 FeI 5274.0 5240-5308

H10, CN L band 3796.0 3784-3808

**Table 4:** The 63 wavelength intervals defined for measuring the equivalent widths (all values are in units of Å).
Line identification	$\lambda_{\rm central}$	Wavelength interval	Line identification	$\lambda_{\rm central}$	Wavelength interval
MgI	2517.0	2500-2534	H9, CN L band, FeI, MgI, HeI	3835.0	3808-3862
FeII	2550.0	2534-2566	H8, CN L band, FeI, SiI, HeI	3885.0	3862-3908
FeII	2590.5	2566-2615	CaIIK	3930.0	3908-3952
FeII, CrII, FeI	2635.0	2615-2655	CaIIH, H $\epsilon$	3970.0	3952-3988
FeII	2672.5	2655-2690	FeI, HeI	4004.0	3988-4020
FeII	2710.0	2690-2730	FeI, HeI	4037.0	4020-4054
FeII	2751.5	2730-2773	FeI, SrII	4068.0	4054-4082
FeII, MgII	2798.0	2773-2823	H $\delta$	4100.0	4082-4118
MgI, FeII	2842.5	2823-2862	FeI	4138.5	4118-4159
FeI, FeII	2884.0	2862-2906	CN	4186.5	4159-4214
FeI, FeII, CrII	2939.0	2906-2972	CaI	4229.0	4214-4244
FeI, FeII, CrI, CrII	2982.0	2972-2992	FeI, CrI	4260.5	4244-4277
FeI, MnI, CrI, CrII	3009.0	2992-3026	CH G band, FeI, CrI	4297.5	4277-4318
FeI, OH, TiII	3052.5	3026-3079	H $\gamma$ , FeI, FeII	4341.0	4318-4364
CoI, FeI, OH,	3096.0	3079-3113	FeI, C₂, FeII, TiII	4392.0	4364-4420
OH, FeI, CrII, CH	3122.5	3113-3132	FeI, CaI, TiO, MgII, HeI	4446.0	4420-4472
FeI, CH	3139.5	3132-3147	CH, CN	4489.0	4472-4506
OH, FeI, FeII, CH, TiII	3178.0	3147-3209	FeI, FeII, TiII	4537.0	4506-4568
FeI, TiII, MnI	3236.5	3209-3264	FeI, FeII, TiO, TiII, CN, CaI	4595.0	4568-4622
FeI	3281.0	3264-3298	FeI, TiO, C₂	4655.0	4622-4688
FeI, TiII	3323.5	3298-3349	FeI, MgI, TiI, HeI, NiI, C₂	4714.5	4688-4741
NH, FeI	3369.0	3349-3389	FeI, MgH, NiI, MnI, TiO	4771.5	4741-4802
FeI, NiI	3407.5	3389-3426	TiO, MgH, CN, MnI	4818.5	4802-4835
FeI, NiI, CoI	3443.0	3426-3460	H $\beta$ , TiO, FeI	4857.0	4835-4879
FeI, NiI, MnII	3482.0	3460-3504	FeI	4889.0	4879-4899
FeI, NiI	3523.5	3504-3543	FeI, FeII, CN, HeI	4922.5	4899-4946
FeI, NiI, CrI	3570.5	3543-3598	FeI, TiO, TiI	4972.0	4946-4998
FeI, NiI, CaI, TiI	3629.5	3598-3661	FeI, FeII, TiO, CN, HeI, TiI	5028.0	4998-5058
FeI, CrI, TiI, NiI	3677.0	3661-3693	FeI	5107.0	5058-5156
FeI	3717.0	3693-3741	FeI, MgI+MgH	5198.0	5156-5240
FeI, TiII, CN	3762.5	3741-3784	FeI	5274.0	5240-5308
H10, CN L band	3796.0	3784-3808

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations and data reduction
	3 Redshift determination and galaxy catalogue
	4 Cluster members - definition of the sample and some structural and dynamical properties
	5 Stellar population synthesis
	6 Analysis on spectral and morphological classes
	7 Colours
	8 Summary
	References
	Online Material