Based on observations made with NOT (Nordic Optical Telescope) and INT (Isaac Newton Telescope) operated on the island of La Palma jointly by Denmark, Finland, Iceland, Norway and Sweden (NOT) or the Isaac Newton Group (INT) in the Spanish Observatorio del Roque de Los Muchachos of the Instituto de Astrofísica de Canarias. Based on observations made at the Centro Astronómico Hispano Alemán (CAHA) at Calar Alto, operated by the Max-Planck Institut für Astronomie and the Instituto de Astrofísica de Andalucía (CSIC).

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Tables 2-7, Figs. 1, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 33, 35 and Appendices are only available in electronic form at http://www.aanda.org

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... IRAF

IRAF is distributed by NOAO which is operated by AURA Inc., under cooperative agreement with NSF.

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... calibration

The results of the NIR photometry presented in our analysis of Haro 15 (López-Sánchez & Esteban 2003), HCG 31 (López-Sánchez et al. 2004a) and Mkn 1087 (López-Sánchez et al. 2004b) were obtained calibrating the data with standard stars from Hunt et al. (1998).

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